Step-by-step explanation:
y=x+1
please help me with this question
A counter top is 19 feet long and 10 feet wide, what is the area of the counter top in square meters?
Answer:
190 ft^2
Step-by-step explanation:
Given data
Lenght= 19feet
Width= 10feet
We know that the expression to solve for the area is
Area= Length* Width
Area= 19*10
Area= 190 ft^2
Hence the area of the Counter is 190 ft^2
Calvin was told he should drink 2 liters of water
everyday. If he did this, how much water would
he drink in 1 week (7 days)?
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Multiply the values
2 x 7 = 14
He would drink 14 litres of water in a week
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. help needed please
There are 5 white balls,8 red balls ,7 yellow balls and 4 green balls in a container a ball is choosen at random.what is the probabilty of chooseing neither white or green? .
15/19 + 14/19 = 29/19
Step-by-step explanation:
Add the number of balls in the basket together.
Subtract the number of white balls from the sample space ( the total amount of balls) your answer is written over the sample space and the same process is done for the green ball
Harry tosses a nickel 4 times. The probability that he gets at least as many heads as tails is.
A 31 cm core sample from a large tree is to be divided into five pieces. Two of the pieces will be one length, and the other three will be 2 cm longer. What is the length of the LARGE pieces?
A. 5 cm
B. 5.5 cm
C. 6.5 cm
D. 7 cm
Answer:
the answer is c
Step-by-step explanation:hope this helped!
The Esteban family will order one T-shirt for each person who attends their family reunion. The cost is $6.50 per T-shirt plus a one-time printing fee of $35.00. This can be represented by the equation c= 6.5n+35, where c represents the total cost of the shirts and n represents the number of shirts ordered. If the family can spend no more than $2,000.00 on T-shirts, what is the maximum number they can order?
Answer: 302
Step-by-step explanation:
An earthquake near New Zealand measured 4.2 on the Richter scale. Use the formula R = log(4) to determine approximately
how many times stronger the wave amplitude of the earthquake was than Ao.
The wave amplitude was A = 15849 Ao times stronger the wave amplitude of the earthquake was than Ao.
How to solve for the waveThe formula to solve this is given as
K = log (A / Ao)
Where we have k to be the constant that is measured on the richter scale as 4.2
Then when we put this in the formula, we would have:
4.2 = log (A / Ao)
take the log of both sides of the equation
\(10^4^.^2 = \frac{A}{Ao}\)
15848.9 approximately 15849
15849 = A / Ao
cross multiply to get the value of A
A = 15849 Ao
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The city of London, England, has an
elevation of 11 meters.
Which of these describes the elevation
of London?
below sea level
at sea level
above sea level
Answer:
above sea level
Step-by-step explanation:
Please help me with my work
Answer:
8*4+3*2
Step-by-step explanation:
Answer:
38. hope i'm right
Step-by-step explanation:
C
A
32°
F
137⁰
D
B
Lines AB and CD are parallel.
Enter the measures of the three angles in the diagram.
Answer:
mmmm
Step-by-step explanation:
!!!
Answer:
see explanation
Step-by-step explanation:
∠ CDF and 137° are a linear pair and sum to 180° , then
∠ CDF = 180° - 137° = 43°
-------------------------------------
the sum of the 3 angles in Δ CDF = 180° , then
∠ CFD + 43° + 32° = 180°
∠ CFD + 75° = 180° ( subtract 75° from both sides )
∠ CFD = 105°
then
∠ AFB = ∠ CFD = 105° ( vertically opposite angles are congruent )
-------------------------------------------------
∠ ABF= ∠ FCD = 32° ( alternate angles are congruent )
Sammy has a number cube (dice). Calculate the following: What are the
odds against rolling an odd number?
Answer:
3/6 or 1/2.........................
Answer:
The probability is
5
6
.
Explanation:
Probability is
d
e
s
i
r
e
d
a
l
l
Let's find the possible outcomes of rolling odd.
1,3,5 are all odd. We have 3 outcomes.
Now find the possible outcome of a power of 2.
2 is
2
1
, 4 is
2
2
. We have 2 DIFFERENT outcomes.
(If these outcomes overlapped, we would have to subtract to get unique outcomes. In this case, these outcomes are different)
Now, we find the total number of possible outcomes.
A dice has 6 different outcomes.
Now add up the desired outcomes,
3
+
2
=
5
and so the probability is
5
6
ANGLES: FING THE VALUE OF THE ANGLES INDICATED
The value of angle a is 43⁰.
The value of angle b is 94⁰.
The value of angle c is 136⁰.
The value of angle d is 84⁰.
The value of angle e is 84⁰.
What is the value of the missing angles?The value of the missing angles is calculated by applying the following formula as follows;
The value of angle a is calculated as;
angle a = 180 - (41 + 96) (sum of angles in a triangle)
angle a = 180 - 137
angle a = 43⁰
The value of angle d is calculated as;
d = 180 - 96 (corresponding angles, and sum of angles in a straight line)
d = 84⁰
The value of angle b is calculated as;
b = 180 - (a + 180 - (41 + 96) (sum of angles in a triangle)
b = 180 - (43 + 43)
b = 94⁰
The value of angle c is calculated as follows;
c = 136⁰ (alternate angles are equal)
The value of angle e is calculated as;
e = 180 - 96 (opposite angles are supplementary)
e = 84⁰
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The weights of packs of chewing gum for a certain brand have a mean of 47.1 grams and a standard deviation 2.4 grams. The weight of a randomly selected pack of gum has a z-score of 3.11. Which of the following statements is the best interpretation of the z-score?
The weight of this pack of gum is lighter than the mean weight by 3.11 standard deviations.
The weight of this pack of gum is heavier than the mean weight by 3.11 standard deviations.
The weight of this pack of gum is lighter than the mean weight by 2.4 standard deviations.
The weight of this pack of gum is heavier than the mean weight by 2.4 standard deviations.
The weight of this pack of gum is heavier than the mean weight by 3.11 standard deviations.
Why is the above statement appropriate ?The supplied z-score of 3.11 can be best translated as "This pack of gum weighs 3.11 standard deviations more than the mean weight." A z-score indicates how many standard deviations an observation is from the population mean. When an observation has a positive z-score, it is above the mean; when it has a negative z-score, it is below the mean. The selected pack of gum weighs more than the population's mean weight because the specified z-score is positive. Furthermore, a z-score of 3.11 means that the pack of gum weighs 3.11 standard deviations more than the population's mean weight.
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Find the mean of:
16 32 10 28 8 19 32 26
33 39 98 399
Answer:
91.125
Step-by-step explanation:
Total number/ Total number of quantity
16+32+10+28+8+19+32+26+33+39+98+399
729
Divode by number of quantity (8)
729/8
=91.125
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The area of rectangle a is twice the area of rectangle b the perimeter of rectangle a is 20 units greater than rectangle b what could the dimensions of the two rectangles be
Answer:
The possible dimensions are;
If Rectangle B has a dimension of 1 unit x 2 units, then Rectangle A has a dimension of 0.315 units x 12.685 units
Step-by-step explanation:
Let;
Length of Rectangle A be a
Width of Rectangle A be b
Length of Rectangle B be c
Width of Rectangle B be d
Thus;
Area of Rectangle A = a × b
Area of Rectangle B = c × d
We are told that the area of Rectangle A is twice the area of Rectangle B:
Thus;
2cd = ab - - - - - eq. 1
perimeter of Rectangle A = 2a + 2b
perimeter of Rectangle B = 2c + 2d
We are told that the perimeter of Rectangle A is 20 units greater than the perimeter of Rectangle B. Thus, we now have;
20 + 2c + 2d = 2a + 2b - - - - eq. 2
We have 4 unknowns which are (a, b, c and d) but only 2 equations, so we need to reduce to 2 unknown variables and calculate the other ones. In this way, one of the infinite solutions is obtained.
Let's assume that c = 1 and d = 2, we obtain:
From eq 1, we have;
2 * 1 * 2 = a*b
ab = 4 or a = 4/b
From eq 2, we have;
20 + 2(1) + 2(2) = 2a + 2b
26 = 2a + 2b
Putting a = 4/b into this, we have;
26 = 2(4/b) + 2b
Multiply through by b to get;
26b = 8 + 2b²
So,we have;
2b² -26b + 8 = 0
Using quadratic formula for this,
b = 0.315 or 12.685
When, b = 12.685, a = 4/12.685 = 0.315
When, b = 0.315, a = 4/0.315 = 12.685
So, the possible dimensions are;
If Rectangle B has a dimension of 1 unit x 2 units, then Rectangle A has a dimension of 0.315 units x 12.685 units
i need help immediately, im giving out twenty point for help
Answer:
250x +425y ≤ 5900the truck will be overloadedStep-by-step explanation:
You want an inequality relating the number of 250 lb refrigerators (x) and the number of 425 lb pianos (y) a truck with a 5900 lb load limit can carry. And you want to know if 12 refrigerators and 8 pianos will overload the truck.
LoadThe weight of x refrigerators will be 250x. The weight of y pianos will be 425y. Then the restriction on the total weight is ...
250x +425y ≤ 5900 . . . . . . the load limit of the truck
OverloadThe weight of 12 refrigerators and 8 pianos will be ...
250·12 +425·8 = 3000 +3400 = 6400 . . . . pounds
This weight will overload the truck.
__
Additional comment
The graph shows the point (12, 8) is not in the solution space of the inequality. Hence the truck will be overloaded with that load.
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god help me.. this is so hard..
Answer:
this is it
Step-by-step explanation:
Octavian became the emperor of Rome in 27 B.C. He ruled until his death in A.D. 14. How long did he rule as emperor?
The computation shows that the number of years ruled is 41 years.
How to compute the value?From the information, Octavian became the emperor of Rome in 27 B.C and he ruled until his death in A.D. 14.
Therefore, the number of years that he rules will be:
= 14 - (-27)
= 14 + 27
= 41
Therefore, the number of years will be 41.
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Find the other endpoint of the line segment with the given endpoint and
midpoint.
Endpoint 1: (0, 2)
Midpoint: (8,-9)
Endpoint 2= (
Endpoint
Check
The required other endpoint coordinates of line segment with one endpoint as (0,2) and a midpoint as (8,-9) is (16,-20).
Let there be line segment AB with mid- point M . We have been given the coordinates of one endpoint and midpoint which are,
A(0,2) and M(8,-9)
We have to find the coordinates of B of the line segment.
We know the formula of midpoint which is given as ,
(xm , ym) = [(x1 + x2)/2 , (y1 + y2)/2] (1)
Where (xm , ym) are the coordinates of the mid point which are (8,-9) and
(x1 , y1) = (0,2) are the coordinates of endpoint 1.
Thus we have to find (x2 , y2) coordinates. Putting the required value in equation (1) we get
(8 , -9) = [(0 + x2)/2 , (2 + y2)/2]
Therefore, 8 = x2/2 -9 = (2+y2)/2
x2 = 16 y2 = -20
Hence the required coordinates of the other endpoint is B(16,-20)
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AD and MN are chords that intersect at point B.
A circle is shown. Chords A D and M N intersect at point G. The length of A B is 9, the length of B D is x + 1, the length of M B is x minus 1, and the length of B N is 15.
What is the length of line segment MN?
Answer:
\(MN = 18\)
Step-by-step explanation:
Given
\(AB = 9\)
\(BD = x + 1\)
\(MB = x - 1\)
\(BN = 15\)
See attachment
Required
Determine MN
The products of the segments of two chords that intersect are always, equal.
So, we have:
\(AB * BD = MB * BN\)
\(9 * (x + 1) = (x - 1) * 15\)
Open bracket
\(9x + 9 = 15x - 15\)
Collect like terms
\(15x - 9x = 9 + 15\)
\(6x = 24\)
Solve for x
\(x = \frac{24}{6}\)
\(x = 4\)
The length of MN is calculated as:
\(MN = MB + BN\)
\(MN = x - 1 + 15\)
Substitute \(x = 4\)
\(MN = 4 - 1 + 15\)
\(MN = 18\)
Answer:
C. 18 units
Step-by-step explanation:
assume that x and y are independent. what are the expected value and the standard deviation of the points per game for the player?
The expected value and the standard deviation of the points per game for the player is -6.5 and 65.43 respectively.
Given:
In a certain computer card game, the player is awarded 5 points for each card that is moved to a correct position. The player is penalized 10 points for each minute the game is played. Let the random variable X represent the number of cards moved to a correct position, and let the random variable Y represent the number of minutes the game is played.
From the given table:
E ( X ) = 9.5 * 5 points
= 47.5
E ( Y ) = 5.4 * - 10
= -54
E ( X + Y ) = 47.5 + ( -54 )
= 47.5 - 54
= -6.5
SD ( X ) = 12.5 * 5
= 64.5
SD ( Y ) = - 11
SD ( X + Y ) = \(\sqrt{64.5^2 + (-11)^2}\)
= 65.43
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Full question:
Is in the image uploaded.
Turn square root of x into a fraction
Step-by-step explanation:
\( \sqrt{x} \\ \sqrt{x} \times \frac{ \sqrt{x} }{ \sqrt{x} } \\ \frac{ \sqrt{x } \times \sqrt{x} }{ \sqrt{x} } \\ \frac{x}{ \sqrt{x} } \)
What is the value of x?
Step-by-step explanation:
x-4+3x+100=180
4x+96=180
4x=84
x=21
If a matrix A is 5 x 3 and the product AB is 5 x 7, what is the size of B?
The size of the the matrix B if a matrix A is 5x3 and the product AB is 5x7 is B =[3x7].
Two matrices can only be multiplied if the first matrix has the same number of columns as the second matrix has. If the first matrix has dimensions of a x b and the second matrix has dimensions of c x d, then b = c and their product will have dimensions of a x d.
Let A is a 3 x 5 matrix and B is a 5 x 7 matrix
We know that matrix multiplication of A and B is possible if
Number of columns of A = Number of rows of B
Since in the given problem
Number of columns of A = Number of rows of B = 5
So the product is possible
Now the product AB is a matrix of order 3 × 7
Now the order of the product AB is 3 × 7
If a 3 x 5 matrix is multiplied by a 5 x 7 matrix then their product is a matrix of order 3 × 7.
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would the following method produce a random sample of a school population of 1000 students? answer yes or no. all students with last names beginning with the letter m.
Selecting all students with last names beginning with the letter M would not produce a random sample of a school population of 1000 students. Hence the answer is no.
A random sample is obtained by selecting individuals from a population in a way that ensures every member of the population has an equal chance of being included in the sample.
By choosing only students with last names beginning with the letter M, you are introducing a bias and not providing an equal chance for all students to be selected.
To obtain a random sample of 1000 students from a school population, you would need to use a random selection method that ensures each student has an equal probability of being chosen.
This could be achieved through techniques such as random number generators, random sampling software, or random sampling techniques like stratified or cluster sampling.
Selecting all students with last names beginning with the letter M would not meet the requirements of a random sample, as it would not provide an equal chance for all students in the population to be included.
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Would someone PLEASE help with this and explain how you got the answer I WILL MARK BRAINLIEST
Answer:2 48,39=87
Step-by-step explanation:
Answer:
DV
DE
VE
Step-by-step explanation:
If the odds against debroah's winning first prize are 3 to 5, what is the probability that she will win 1st prize?
Answer:
See below
Step-by-step explanation:
Odds AGAINST are 3 to5 then odds FOR are 2 to 5
2/5 = .4 = 40% chance of winning
a square piece of land take 24ft. of fence to surround it how much square ft is the area of the 24 ft land..
The Solution:
Given:
The perimeter of the square piece of land is 24 ft.
We are required to find the area of the given piece of land.
Step 1:
By formula,
\(\begin{gathered} P=4l \\ where \\ P=perimeter=24ft \\ l=length=? \end{gathered}\)So,
\(\begin{gathered} 4l=24 \\ \\ l=\frac{24}{4}=6ft \end{gathered}\)Step 2:
Find the area of the piece of land.
\(\begin{gathered} A=l^2 \\ where \\ A=area=? \\ l=6\text{ ft} \end{gathered}\)\(A=6^2=36ft^2\)Therefore, the correct answer is 36 square feet.