Algerba 1 , stuck on this :/

Answer:

What is the question

Step-by-step explanation:

Answer: I can't help you if I don't know what you need help with.

Answer:

-1/10, 2/10, and 4/10

Step-by-step explanation:

A rational number is a number that is in the form of p/q, where p and q are integers, and q is not equal to 0.

First, what is the lcm of 5 and 2? the lcm is 10, because that is the lowest number than can be divided separately by 5 and 2 and the results would still be a whole number.

We now need to find 3 rational numbers between -2/10 and 5/10. It's easy now that I've explained it, right?

-1/10, 2/10, and 4/10 are between -1/5 and 1/2 and are integers with the given explanation.

Hope this helps.

Answer: y=-1/5x+ 8/5    (Third one down)

Answer: Hi!

4.89 * 2.2 = 10.758 (rounded is 10.76 or 10.8)

Tip: Line up the terms vertically and multiply.

Hope this helps!

There are 7 ounces of applesauce in each container

An equation consists of numbers and variables linked together by mathematical operations to form an expression.

Let x represent the quantity of Newton applesauce

Descartes makes 72.5 ounces of applesauce, which is 2.5 times of Newtons, hence:

2.5x = 72.5

x = 29 ounce

Newton eats 8 ounces, hence:

Remaining = 29 - 8 = 21 ounces

The remaining is placed into 3 containers. If y represent the amount per container:

3y = 21

y = 7 ounces

There are 7 ounces in each container

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Answer:

D. \(\frac{(x-7)^2}{8^2} -\frac{(y-2)^2}{7^2}\)

Step-by-step explanation:

hope this helps

Answer:  D has the largest perimeter

Step-by-step explanation:

The top numbers of fractions describe the vertex and  the bottom number square rooted tells you how long each or wide each part of the asymptote rectangle is.

A.

P = 2(11) + 2(3)

P = 22+6

P=28

B.

P = 2(4) + 2(9)

p = 8 +18

P = 26

C.

P = 2(5) + 2(9)

P = 10 +18

P = 28

D.

P =  2(8) + 2(7)

P = 16 +14

P = 30

To perform a statistical test on the sample and determine if the average age is consistent with your hypothesis that it is less than 50, we can use a one-sample t-test. The null hypothesis (H0) is that the population average age is equal to or greater than 50, and the alternative hypothesis (Ha) is that the population average age is less than 50.

Using the sample data, we calculate the t-test statistic by subtracting the assumed population mean (50) from the sample mean, dividing it by the standard error of the mean, and considering the sample size.

Next, we compare the t-test statistic with the critical t-value at a significance level of 5%. If the t-test statistic is smaller than the critical t-value, we reject the null hypothesis and conclude that the average age is consistent with being less than 50.

The p-value from the test represents the probability of obtaining a t-test statistic as extreme as the observed value, assuming the null hypothesis is true. We compare the p-value with the significance level to make our decision.

Unfortunately, the p-value was not provided in the answer choices. The p-value obtained from the test would need to be calculated separately to determine the correct answer option.

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Answer:

c will be the answer mark me brainliest

If we assume x and b are real numbers:

|x| = √(x²)

So:

√(x²) = b

Where b<0

x will be always positive, because every number squared is positive

So, the left hand side of the equation will be positive. And since the right hand side of the equation will be always negative, because they tell us that b<0, we can conclude that it is absurd:

√(x²) ≠ b

Therefore, no solutions exist

The answer is Zero

To determine the number of miles David drove the truck, we need to subtract the base fee and divide the remaining amount by the additional charge per mile.

Let's denote the number of miles driven by 'm'. The equation can be set up as follows:

$209.57 - $14.99 = $0.94 * m

Simplifying the equation:

$194.58 = $0.94 * m

To solve for 'm', we divide both sides of the equation by $0.94:

m = $194.58 / $0.94

m ≈ 206.7

Therefore, David drove the truck for approximately 206.7 miles. Since it's not possible to drive a fraction of a mile, we can assume that David drove either 206 or 207 miles, depending on the rounding convention used.

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The complete question is

"Find the general solution of the given differential equation

y''-y=0, y1(t)=e^t , y2(t)=cosht

The function \(y(t)=e^t\)  is the solution of the given differential equation.

The function y(t)=cosht is the solution of given differential equation.

The function is a type of relation, or rule, that maps one input to specific single output.

Given;

\(y_1(t) = e^t\)

Given differential equations are,

y''-y = 0

 So that,  

\(y' (t) = e^t, y'' (t) = e^t\)

Substitute values in the given differential equation.

\(e^t -e^t=0\)

Therefore, the function \(y(t)=e^t\)  is the solution of the given differential equation.

Another function;

\(y(t)=cosht\)  

So that,  

\(y"(t)=sinht\\\\y"(t)=cosht\)

Hence, function y(t)=cosht is solution of given differential equation.

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Answer:

12 blueberries and 4 strawberries

Step-by-step explanation:

since there is a ratio of 3:1 we add the 3 together to get 4.

then we divide the 16 by 4 which will give you the number of strawberries which is 4

then, we multiply 4 by 3 and you will get the number of blueberries which is 12

Yes, it is appropriate to compute the likelihood that a random ladybug in Raleigh will be larger than 1.5 cm.

With a mean of 0 and a standard deviation of 1, the standard normal distribution is a normal distribution. The standard deviation, which indicates how much a given measurement deviates from the mean, is given by the standard normal distribution, which has zero as its center.

As the sample size is sufficient (440000) and the standard deviation is known, it is appropriate to use a normal distribution to estimate the distribution of ladybug lengths. A 1.5 cm long ladybug's z-score can be calculated as follows:

z = (1.5 - 1) / 0.2 = 2.5

We can calculate the likelihood of a z-score being greater than 2.5 using a conventional normal distribution table to be roughly 0.0062. Hence, the likelihood that a random ladybug in Raleigh will be larger than 1.5 cm is around 0.0062 or 0.62%.

Therefore, the correct answer is option d. Yes. Clear my choice.

The complete question is;

American ladybugs have an average adult length of 1 cm with a known standard deviation of 0.2 cm. The population of American ladybugs in Raleigh was around 440000 last spring. Assume a normal distribution for the lengths of adult American ladybugs. Your niece asks you what's the probability of a random ladybug in Raleigh being bigger than 1.5 cm. Is it appropriate to calculate this probability? Select one:

a. No, because the population distribution is skewed.

b. No, because the sample size is less than 30.

c. No, because the empirical rule is violated.

d. Yes. Clear my choice

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Answer:

Height of light post = 33 feet

Step-by-step explanation:

We will use the trigonometric ratios to find the height of light post

The given scenario forms a right angled triangle with the right angle with the light post.

The distance between light post and the person is the base.

So, base = b = 40 feet

The height of light post will be the perpendicular

So,

Perpendicular = p = x

Angle = 35°

So,

tan (angle) = p/b

tan 35° = p/40

0.7002 =p/40

0.7002*40 = p

p = 28 feet

Since the persons eye level is 5 feet from the ground, 5 feet will be added to perpendicular for actual height of light post.

Height of light post = 28+5 = 33 feet ..

Answer:

2 + i

Step-by-step explanation:

Given

\(\frac{4+\sqrt{16-(4)(5)} }{2}\)

= \(\frac{4+\sqrt{16-20} }{2}\)

= \(\frac{4+\sqrt{-4} }{2}\)

= \(\frac{4+2i}{2}\)

= 2 + i

Answer:

A, B and E

Step-by-step explanation:

..............

From the given graph we have the correct statements are A, B and E.

We have given that,

The scatter plot shows the relationship between ice cream sales and temperature at noon on that day at the seaside ice cream shop.

We have to determine the statements are correct.

A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded, one additional variable can be displayed.

From the given graph we have the correct statements are A, B and E.

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Answer:

n/3 - 4 = 10

Step-by-step explanation:

hope this helps

Answer:

Answer on a graph

Answer:

Option b

Step-by-step explanation:

Total:-

\(\\ \sf\longmapsto 20+14=34\)

Answer:

13.3

Step-by-step explanation:

Answer:

Step-by-step explanation:

hello :

the cannonball hit the ground when h=0

-5t² + 40t=0 means : -5t(t- 8)=0

t=8

Answer:

 (b+3)+b=51

"b" is a smaller number, that is 24.

So a larger numer is 27

Step-by-step explanation:

L = b +3

L+b = 51

(b+3) + = 51

2b + 3 = 51 >> subtract 3 to both sides

2b = 48 >> divide by 2 to both sides

b = 24

Larger = b + 3= 24 + 3= 27

The transformation of the function\(Y = X^4 / (6X + 6)\) can be described as follows:

The function has a domain of all real numbers except X = -1.

The range of the function is all non-negative real numbers.

The function is not symmetric about the y-axis.

It has a Y-intercept at (0, 0).

It does not have any X-intercepts.

The function approaches 0 as X approaches positive or negative infinity.

To describe the transformation of the function \(Y = X^4 / (6X + 6)\), we can analyze its characteristics, such as the domain, range, symmetry, intercepts, and behavior as X approaches positive and negative infinity.

1. Domain:

The function is defined for all real values of X except when the denominator 6X + 6 equals zero. Solving for X gives X = -1. Therefore, the domain of the function is all real numbers except X = -1.

2. Range:

Since the numerator is X^4, which is always non-negative, and the denominator 6X + 6 is always positive (except at X = -1), the range of the function is all non-negative real numbers (including zero).

3. Symmetry:

To determine if the function has any symmetry, we check if replacing X with -X results in an equivalent function. Substituting -X for X in the original function gives Y = (-X)^4 / (6(-X) + 6), which simplifies to Y = X^4 / (-6X + 6). Since the function does not remain unchanged under this substitution, it is not symmetric about the y-axis.

4. Intercepts:

a. Y-intercept: To find the Y-intercept, we set X = 0. Plugging in X = 0 into the function gives Y = 0^4 / (6(0) + 6) = 0 / 6 = 0. Therefore, the Y-intercept is at the point (0, 0).

b. X-intercept: To find the X-intercept, we set Y = 0 and solve for X. However, since the numerator X^4 is always non-negative, the function does not have any X-intercepts.

5. Behavior as X approaches infinity:

As X becomes large positive or negative, the 6X term dominates the 6X + 6 denominator. Therefore, the function approaches 0 as X approaches positive or negative infinity.

In summary, the transformation of the function can be described as follows:

- The function has a domain of all real numbers except X = -1.

- The range of the function is all non-negative real numbers.

- The function is not symmetric about the y-axis.

- It has a Y-intercept at (0, 0).

- It does not have any X-intercepts.

- The function approaches 0 as X approaches positive or negative infinity.

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The length of a truck is an example of a continuous data set, and 20 feet is just one possible value within that range.

The given value, "a truck with a length of 20 feet," is an example of a continuous data set.

Continuous data refers to values that can take on any numerical value within a range, with no gaps or interruptions. In this case, the length of a truck can take on any value between 0 and some maximum length, with no gaps or interruptions in between.

In contrast, discrete data refers to values that can only take on certain specific values, usually integers. For example, the number of tires on a truck is a discrete data set because it can only take on integer values (e.g. 4, 6, 8).

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Answer:

1

Step-by-step explanation:

The length of w is 7.863 cm.

Trigonometry is the branch of mathematics that deals with particular angles' functions and how to use those functions in calculations. There are six popular trigonometric functions for an angle. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their respective names and acronyms (csc).

Given:

As, per the Sine law

a/ sin A = b / sin B

So, 7.8 / sin 78 = w / sin 76

7.8 / 0.9702 = w / 0.9781

8.0395 = w / 0.9781

w = 7.863 cm

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Answer: We can expand the given expression using the binomial theorem:

(1 + x² + ax³)^4 =

C(4,0) + C(4,1)x² + C(4,2)(ax³)^2 + C(4,3)x^6 + C(4,4)(ax³)^4

where C(n,k) denotes the binomial coefficient "n choose k", which is equal to n! / (k!(n-k)!).

The coefficient of x^4 is the coefficient of the second term, which is C(4,1) = 4. The coefficient of x^6 is the coefficient of the fourth term, which is C(4,3) = 4.

Since the coefficient of x^4 is equal to that of x^6, we have:

4 = C(4,1) = 4a C(4,3) = 4a

Solving for a, we get:

a = 1/4

Therefore, the value of a is 1/4.

Step-by-step explanation:

A system of linear equations has one solution when the graphs intersect at a point.

A system of linear equations has no solution when the graphs are parallel.

A system of linear equations has infinite solutions when the graphs are on the exact same line.

The graphs attached below show the linear equations that have one solution, multiple solutions, and no solutions.

A linear equation in two variables of the form axe + by + c = 0, where a, b, c R, a 0, and b 0. By comparing the coefficients of the equations while taking the system of linear equations into consideration, we may determine how many solutions there are. Additionally, we can use a graphical way to determine whether the equation system has a single solution or an infinite number of solutions.

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Rounding to the nearest tenth, the area of the hexagon is 244.3 square inches.

The area of a regular hexagon is calculated using the formula (3√3 / 2) × s^2, where s is the length of a hexagonal side. Given that we are talking about a regular hexagon, it is important to remember that all of the sides are the same length. The formula Area of the Hexagon = (3√3 / 2) × s^2, where's' is the length of the hexagonal side, can be used to determine the area of a regular hexagon when one of its sides is known.

All of the sides of the hexagon are the same length because it is a regular shape.

Therefore, each side has a length of 57 inches / 6 = 9.5 inches.

To find the area of the hexagon, we can use the formula:

Area = (3√3 / 2) × s^2

where s is  length of a side.

Substituting s = 9.5 inches, we get:

Area = (3√3 / 2) × (9.5 inches)^2

Area ≈ 244.3 square inches

Rounding to the nearest tenth, the area of the hexagon is 244.3 square inches.

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Answer:

y= x + 2

Step-by-step explanation: