Caroline is taking a multiple choice test with a total of 40 points available. Each question is worth exactly 5 points. What would be Caroline's test score (out of 40) if she got 2 questions wrong? What would be her score if she got xx questions wrong?

Answers

Answer 1

Answer:

30

40 - 5x

Step-by-step explanation:

Caroline took a test that is worth 40 total points. With 2 questions wrong, she wouls have 30/40 pints

2 × 5 = 10

40 - 10 = 30

If Caroline got x questions wrong, she would have a score of 40 - 5x.


Related Questions

Let f be a continuous function on the closed interval [0, 2] . If 2 ≤ f(x) ≤ 4, then the greatest
possible value of (integral from 0 to 2)f(x)dx is

a. 0
b. 2
c. 4
d. 8
e. 16

Answers

The correct answer is d. 8, as it represents the greatest possible value for the integral of f(x) over the interval [0, 2].

Given that 2 ≤ f(x) ≤ 4 for all x in the interval [0, 2], we know that the function f(x) is bounded between 2 and 4 throughout the interval. To find the greatest possible value of the integral of f(x) over the interval [0, 2], we want to maximize the area bounded by the function and the x-axis.

Since the function is continuous and bounded, we can use the Fundamental Theorem of Calculus to find the integral. The integral of f(x) over the interval [0, 2] represents the area under the curve of f(x) between x = 0 and x = 2.

The maximum possible value of this integral occurs when the function is at its upper bound of 4 throughout the interval. Therefore, the greatest possible value of the integral is the area of the rectangle with a base of 2 (the width of the interval) and a height of 4, which is 2 * 4 = 8.

Hence, the correct answer is d. 8, as it represents the greatest possible value for the integral of f(x) over the interval [0, 2].

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C)
jo wants to drive from
penton to saxby and then
from saxby to treford.
what is the total distance she
will drive?
?? miles

Answers

A) Jo Wexham and Oswestry is 27

B) 32 is the biggest number. So the distance between Wexham and Oswestry is the furthest.

C)  Jo wants to drive from penton to Saxby and then from Saxby to Trafford. Then,  the total distance she will drive is 50 miles.

Distance:

Distance is a numerical or sometimes qualitative measurement of how far apart objects or points are. In physics or everyday usage, distance may represent an estimate based on physical length or some other criterion. Most of these concepts of physical and metaphorical distance are formulated in mathematics using the concept of metric space.

Now,

A) Jo Wexham and Oswestry is 27

B) 32 is the biggest number. So the distance between Wexham and Oswestry is the furthest.

C)  Jo wants to drive from penton to Saxby and then from Saxby to Trafford. Then,  

The total distance she will drive is 18 + 32 = 50 miles.

Complete Question:

The chart shows the distances, in miles, between some towns and cities.

Toby lives in Wexham and works in Oswestry.

Wrexham1 8 Ruthin

a) Use the chart to find the road distance between Wexham and Oswestry.

15

21

12

Curwen

15

33

23

Oswestry

Sarah lives in Ruthin and works in Oswestry for

5 days a week. Each day she travels to and

from work using the route shown on the map.

MOLD ROTHEN WRESTHAM

b) How many miles, in total, does she travel to and from work each week? 231 miles

CORNEN

OSWESTRY

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1.92e10^75 X 8.2e10^84 / 1.2.e10^12
show work

Answers

Answer:

1.367431640625 i think

Step-by-step explanation:

You enter the number: 1.5e1016 in Hexadecimal number system and want to translate it into Decimal.

To do this, at first translate it to decimal here so :

1.5e1016 = 1∙160+5∙16-1+14∙16-2+1∙16-3+0∙16-4 = 1+0.3125+0.0546875+0.000244140625+0 = 1.36743164062510

Happened: 1.36743164062510

Result of converting:

1.5e1016 = 1.36743164062510

Answer: 13.12 x 10^147 e

Step-by-step explanation: ( i dont know if thats a multiply but oh well )

1.92e10^75 x 8.2e10^84 / 1.2.e10^12

= 1.92 x 10^75 x 8.2e10^84 / 1.2 x 10^12

= 1.6 x 10^75 x 8.2e10^84 / 1.2 x 10^12

= 1.6 x 10^63 x 8.2e x 10^84

= 13.12 x 10^147 e

please give brainliest! / im still not sure of the answer tho :/

The partial factorization of x2 – x – 12 is modeled with algebra tiles.

An algebra tile configuration. 4 tiles are in the Factor 1 spot: 1 is labeled + x, 3 are labeled +. 1 tile is in the Factor 2 spot and is labeled + x. 20 tiles are in the Product spot: 1 is labeled + x squared, 3 are labeled + x, the 4 tiles below + x squared are labeled negative x, and the 12 tiles below the + x tiles are labeled negative.
Which unit tiles are needed to complete the factorization?

Answers

Answer:

x² – x – 12 = (x – 4)(x + 3)

Step-by-step explanation:

Identify two numbers that add to -1 and multiply to -12, let's call them p and q.

So ax² + bx + c = (x + p)(x + q)

pq = c

p + q = b.

It is easier to find these numbers by finding factors of -12.

This can be done by splitting the number up until all the numbers are prime.

-12 → 6 × -2 or -6 × 2 → -(3 × 2 × 2)

There can only be two numbers so the only options we have are 6 and -2, -6 and 2, 3, and -4, or -3 and 4.

We can eliminate them by adding them up.

6 + -2 = 4 ≠ -1 so that can't be it.

-6 + 2 = -4 ≠ -1 so that can't be it either.

-3 + 4 = 1 ≠ -1

therefore p and q are 3 and -4 because 3 + -4 = -1.

so x² – x – 12 = (x – 4)(x + 3)

p = -4, and q = 3.

(x – 4)(x + 3) = x(x + 3) – 4(x + 3) = x² + 3x – 4x + 12 = x² – x – 12

Give a ratio equivalent to 4/8

Answers

Step-by-step explanation:

\( \frac{4}{8} = \frac{5}{10} = \frac{6}{12} \\ \)

A linear function has the same y-intercept as x + 4y = 20 and its graph contains the
point (7, 7). Find the y-intercept of the linear function.
y-intercept: (0,___)

Answers

Answer:

(0,5)

Step-by-step explanation:

x + 4y = 20

4y = -x + 20

y = -1/4x + 5

The y - intercept of the line is 5

(0,5)

-Chetan K

For the binomial distribution, which formula finds the standard deviation? Choose the correct answer below: a)np b)npq c)Vnp d)Vnpa

Answers

For the binomial distribution, √npq formula finds the standard deviation.

See the image below for the complete solution to the question:

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For the binomial distribution, which formula finds the standard deviation? Choose the correct answer
For the binomial distribution, which formula finds the standard deviation? Choose the correct answer

Simplify will mark brainliest

Simplify will mark brainliest

Answers

Answer:

7529536\(m^{36}\)

CL-6-108.
Margarite has 9 pieces of copper pipe with which she plans to make 3 triangular
frames. She has organized them into groups of three based on their coloring. The
lengths of the pipes in each group are listed below.
i. 23, 21, 4
ii. 2. 11, 10
iii. 31. 34, 3
a. Which groups, if any, will she actually be able to use to make a triangular frame if
she is unable to cut any of the pipes? How do you know?
b. If possible, arrange the 9 pieces she has so that she can make 3 triangular frames.
If so, how? If not, why not?

Answers

a. Because the longest side can only be the sum of the other two sides, only (i) and (ii) are feasible (but not equal to the sum). b. Swap the pipe with length 3 and the pipe with length 4 as necessary.

What is triangle?

A triangle in geometry is a three-sided polygon with three edges and three vertices. The fact that a triangle's internal angles add up to 180 degrees is its most crucial characteristic. This characteristic is known as the triangle's angle sum property.

a. Because the longest side can only be the sum of the other two sides, only (i) and (ii) are feasible (but not equal to the sum).

b. Swap the pipe with length 3 and the pipe with length 4 as necessary.

c. Always place the biggest angle across from the longest side.

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what punishment should be given to students

Answers

In school suspension

What is the best way to solve this?

What is the best way to solve this?

Answers

Answer:

20+20+20=60

20+5+5=30

5-2=3

1+(20*5)=100+1=101

Step-by-step explanation:

Hope it helps :)

Answer:

you do order of operations

Step-by-step explanation:

Help pls will give brainliest :(

Help pls will give brainliest :(

Answers

Answer: - 10

Step-by-step explanation:

What word is missing from this true mathematical statement: Twelve is congruent to 60 ______ 8 because both 12 and 60 have 4 as a remainder when divided by 8?

Answers

The missing word is "modulus". The statement should read: Twelve is congruent to 60 (modulus 8) because both 12 and 60 have 4 as a remainder when divided by 8.

The modulus function, also known as the modulo operation or mod function, is a mathematical operation that returns the remainder when one integer is divided by another. The modulo operation is a quick and efficient way to find the remainder of a division. For example, if we want to know the remainder when 23 is divided by 5, we can simply compute 23 % 5, which equals 3. The symbol "%" is often used to represent the modulo operation in computer programming, while "mod" is used in mathematical notation to indicate congruence. In either case, the statement means that 12 and 60 leave the same remainder when divided by 8.

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If 10% of x is 20, what is 23% of x?
A.
33
B.
46
C.
200
D.
230

Answers

Answer:

46

Step-by-step explanation:

Answer:

46

Step-by-step explanation:

First get x

x= (20/10) * 100

x=200

23% of 200 = (23*200)/100 = 46

Ana conducts a study using a /-test to see if there is a difference in the mean number of cups of coffee consumed between men and women. The null hypothesis would state that the population mean number of cups of coffee that women drink would _______ the population mean number cups of coffee that men drink.

Answers

The null hypothesis would state that the population mean number of cups of coffee that women would drink 32% the population mean number cups of coffee than men drink.

What is meant by percentage?

The term "percentage" comes from the Latin phrase "per centum," which means "by the hundred." With 100 as the denominator, percentages are fractions. In other words, it is a relationship where the value of the entire is always assumed to be 100.

Percentage is a fraction or a ratio in which the value of whole is always 100. For example, if Sam received 30% on his math test, he received 30 points out of 100. It is expressed as 30/100 in fractional form and 30:100 in ratio form.

A certain number or quantity in every hundred is referred to as a percentage. It is a fraction, and the denominator is 100.

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I need help and fast

I need help and fast

Answers

Answer:

P:(1,-2) Q: (4, -2) S:(1, 8) R:(4, -6)

Reflect over y axis, so you multiply the x coordinate of each point by -1.

P:(-1,-2) Q: (-4, -2) S:(-1, -8) R:(-4, -6)

Rotate 180 degrees about the origin, so multiply both x and y coordinate of each point by -1.

P:(1,2) Q: (4, 2) S:(1, 8) R:(4, 6)

Translate each point by 0 units on the x axis, and -8 units by the y axis. Apply that arithmetic to the x and y coordinates of the points.

P:(1,-6) Q: (4, -6) S:(1, 0) R:(4, -2)

use part 1 of the fundamental theorem of calculus to find the derivative of the function. g(x) = x 3 t3 1 dt 1 g'(x) =

Answers

The derivative of the function \(g(x) = ∫[1, x^3] t^3 dt is g'(x) = (3/4) x^11.\)

To find the derivative of the function \(g(x) = ∫[1, x^3] t^3\)dt using the Fundamental Theorem of Calculus, we can apply Part 1 of the theorem, which states that if the function g(x) is defined as the integral of a function f(t), then its derivative g'(x) can be found by evaluating f(x) at the upper limit of integration and multiplying it by the derivative of the upper limit.

In this case, the upper limit of integration is\(x^3\), so we have:

\(g'(x) = d/dx ∫[1, x^3] t^3 dt\)

Using the power rule for integration, we can integrate \(t^3\) to obtain (1/4) \(t^4\). Applying the Fundamental Theorem of Calculus, we have:

\(g'(x) = d/dx [(1/4) (x^3)^4]\)

Simplifying, we get:

\(g'(x) = d/dx [(1/4) x^12]\)

Taking the derivative using the power rule, we have:

\(g'(x) = (1/4) * 12x^(12-1)g'(x) = (3/4) x^11\)

Therefore, the derivative of the function \(g(x) = ∫[1, x^3] t^3 dt is g'(x) = (3/4) x^11.\)

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plz help me!! Polynomial Long Division (Level 2)

plz help me!! Polynomial Long Division (Level 2)

Answers

Answer: 3x^2 - 3x - 1

Explanation:

I got a picture to show

plz help me!! Polynomial Long Division (Level 2)

find the volume of a pyramid with a square base, where the perimeter of the base is 5.7 cm 5.7 cm and the height of the pyramid is 8.6 cm 8.6 cm. round your answer to the nearest tenth of a cubic centimeter.

Answers

The volume of the pyramid is approximately 5.9 cm³.

What is the volume of pyramid?

To find the volume of a pyramid with a square base, you can use the formula:

Volume = (1/3) * base area * height

First, let's find the area of the square base. The perimeter of the base is given as 5.7 cm, which means each side of the square has a length of 5.7 cm / 4 = 1.425 cm.

The area of a square is given by the formula:

Area = side length * side length

Substituting the side length, we have:

Area = 1.425 cm * 1.425 cm = 2.030625 cm²

Now, we can calculate the volume of the pyramid:

Volume = (1/3) * base area * height

= (1/3) * 2.030625 cm² * 8.6 cm

= 5.91834375 cm³

Rounding to the nearest tenth of a cubic centimeter, the volume of the pyramid is approximately 5.9 cm³.

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binomial a lottery will be held. from 1000 numbers, one will be chosen as the winner. a lottery ticket is a number between 1 and 1000. how many tickets do you need to buy in order for the probability of winning to be at least 50%?

Answers

we need to buy at least 694 tickets to have a probability of winning at least 50%.

We can use the binomial distribution formula to solve this problem. Let X be the number of tickets we need to buy to have a probability of winning at least 50%. Then:

P(X ≥ 1) ≥ 0.5

This means that the probability of winning with at least one ticket is at least 50%. We can find this probability using the complement rule:

P(X ≥ 1) = 1 - P(X = 0)

The probability of not winning with any ticket is:

P(X = 0) = (999/1000)^n

where n is the number of tickets we buy. Therefore:

1 - (999/1000)^n ≥ 0.5

Simplifying this inequality, we get:

(999/1000)^n ≤ 0.5

Taking the logarithm of both sides, we get:

n log(999/1000) ≤ log(0.5)

n ≥ log(0.5) / log(999/1000)

n ≥ 693.15

Therefore, we need to buy at least 694 tickets to have a probability of winning at least 50%.

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East high schools student council plans to buy some stools and chairs for a new student center they need to buy 25 more chairs and stools the chairs cost $32 each and the stools cost $28 each if the budget is $2620 how many chairs can they buy

Answers

Answer:

let

s = the number of stools bought, s is integer

c = the number of chairs bought, c is integer

they need to buy 25 more chairs than stools

c = s + 25 => s = c - 25

the chairs cost $32 each and the stools cast $28 each and the budget is $2,620

32c + 28s <= 2620

if i plug s = c - 25 in the above inequality i get

32c + 28(c - 25) <= 2620

by solving the inequality we find

c <= 55.33

since c is integer we can write c<=55

they can buy 55 chairs the most.

In the diagram, ⨀R≅ ⨀S . Find m DE⌢ .

In the diagram, R S . Find m DE .

Answers

Answer:

60°

Step-by-step explanation:

ST = SW, since both are radii of the circle.

SW = WT, given.

STW is an equilateral triangle.

RED is an equilateral triangle.

Therefore, the measure of DE is 60°.

Why is violence more likely to occur in a store on Black Friday? no bot or scam

Answers

Answer:

Because people fight over the best deals that the store would have to offer... hell with it i chose violence when there were 3 black shirts just because i run a designer company.

Step-by-step explanation:

construct orthogonal polynomials of degrees 0, 1, and 2 on the interval (0, 1) with respect to the weight function (a) w(x) = log x1 ( b ) w ( x ) = p1

Answers

The orthogonal polynomials with respect to the weight function (a) w(x) = log(x) on the interval (0, 1) are given by the Legendre polynomials. The orthogonal polynomials with respect to the weight function (b) w(x) = p^1 on the interval (0, 1) are the monomials.

(a) For the weight function w(x) = log(x), the orthogonal polynomials on the interval (0, 1) are defined by the Legendre polynomials. The Legendre polynomials are a set of orthogonal polynomials that satisfy a specific recurrence relation. The Legendre polynomial of degree 0 is simply a constant, denoted as P_0(x) = 1. The Legendre polynomial of degree 1 is P_1(x) = x. The Legendre polynomial of degree 2 is P_2(x) = (3x^2 - 1)/2. These polynomials are orthogonal with respect to the weight function w(x) = log(x) on the interval (0, 1).

(b) For the weight function w(x) = p^1, where p is a constant, the orthogonal polynomials on the interval (0, 1) are the monomials. Since the weight function is a constant, the inner product of two different monomials will be zero, making them orthogonal. The monomials are polynomials of the form x^n, where n is a non-negative integer. For example, the monomial of degree 0 is simply 1, the monomial of degree 1 is x, and the monomial of degree 2 is x^2. These monomials are orthogonal with respect to the weight function w(x) = p^1 on the interval (0, 1).

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Whats 2/5 as a decimal??

Answers

Answer:

0.4

Step-by-step explanation:

divide simply the given problem by using calculator

Answer:

0.4

Step-by-step explanation:

2/5 turned into a decimal is simply 0.4! Hope it helps :)

It takes 22 hours for a hosepipe with a flow of 12 litres per minute to fill a swimming pool. How long will it take if its flow is reduced to 5 litres per minute?

Answers

Answer:

t2 = 52.8 hours

it will take 52.8 hours if its flow is reduced to 5 litres per minute.

Step-by-step explanation:

The volume of the swimming pool can be written as;

Volume V = flow rate × time

V = R×t

V = R1×t1 = R2×t2

R1×t1 = R2×t2

t2 = R1×t1/R2 ........1

Given;

Flow rate R1 = 12 litres per minute

Flow rate R2 = 5 litres per minute

time t1 = 22 hours

Substituting the given values into equation 1;

t2 = R1×t1/R2 = 12×22/5

t2 = 52.8 hours

it will take 52.8 hours if its flow is reduced to 5 litres per minute.

For Anthony's birthday, his mother is making cupcakes for his 8 friends at his daycare. The recipe calls for 3 1/3 cups of flour. This recipe makes 2 1/2 dozen cupcakes. Anthony's mother has only 1 cup of flour. Is there enough flour for each of his friends to get a cupcake?

Answers

Answer:

Anthony mother's has enough flour for each of Anthony's friends to get a cupcake.

Step-by-step explanation:

Let suppose that Anthony and his friend will receive at least one cupcake, which means that Anthony's mother should make at least 9 cupcakes (\(\frac{3}{4}\) dozens).

From statement we notice that quantity of cupcakes is directly proportional to the quantity of flour.

According to the recipe, the required amount of flour and cupcakes are, respectively:

Flour

\(3\,\frac{1}{3}\,cups = 3 \,cups +\frac{1}{3}\,cups = \frac{10}{3}\,cups\)

Cupcakes

\(2\,\frac{1}{2}\,dozens = 2\,dozens +\frac{1}{2}\,dozens = \frac{5}{2}\,dozens\)

If Anthony's mother has 1 cup of flour at her disposal, the amount of cupcakes is obtained by simple rule of three:

\(x = \frac{5}{2}\,dozen\times\frac{1\,cup}{\frac{10}{3}\,cups }\)

\(x = \frac{3}{4}\,dozen\)

In a nutshell, Anthony mother's has enough flour for each of Anthony's friends to get a cupcake.

X^2 -14x - 12 ??????????

Answers

The solution of equation x² -14x- 12 is x= 7±√61.

To factorize the expression, we need to use Discriminant Method as

So, x² -14x- 12= 0

a= 1, b= -14, c= -12

So, D = b²- 4ac

D= 196 - 4(1)(-12)

D = 196 + 48

D = 244

So, x= (-b±√D)/2a

x= 14±√244 / 2

x = 14±2√61/2

x= 7±√61

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Express in simplest radical form.
√5x

Answers

The expression in simplest radical form is 2.2360x

What is Simplest Radical form ?

Simplest Radical Form means simplifying such that there is no square root or cubic root left to be simplified.

The given expression is

\(\rm \sqrt{5}x\)

value of \(\rm \sqrt{5}\) = 2.2360

Therefore the expression in simplest radical form is 2.2360x .

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what is the minimum and maximum mass of 1.5 kg

Answers

The minimum and maximum mass measurement is calculated as 1.467 kg and 1.533 kg respectively.

Minimum and Maximum mass measurement

The minimum and maximum mass measurement is determined from the uncertainty in the measurement.

For a given uncertainty of 2.2%, the minimum and maximum mass measurement is calculated as follows;

2.2% of 1.5 kg = 0.022 x 1.5 kg = 0.033 kg

minimum mass = 1.5 kg - 0.033 kg = 1.467 kg

maximum mass = 1.5 kg + 0.033 kg = 1.533 kg

Thus, the minimum and maximum mass measurement is calculated as 1.467 kg and 1.533 kg respectively.

The complete question is below:

what is the minimum and maximum mass of 1.5 kg if the uncertainty in measurement is 2.2%?

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