The cuboid has a width of 5 cm and the length of 10 cm. The keyboard has a total surface area of 280 cm². Workout the height of the cuboid..

Answer:

number: 2

Step-by-step explanation:

In this problem, we are given a smaller and a larger triangle on a coordinate plane. We are told that the larger triangle is a dilation of the smaller triangle with a center of dilation at (2,-1). We are required to find the scale factor of this dilation.

Given points: The smaller triangle has vertices at points (2,2) and (-1,-1) and shares a vertex at the point (2,-1). The larger triangle has vertices at points (2,5) and (-4,-1) and shares a vertex at the point (2,-1).Dilation is a transformation that produces an image that is the same shape as the original, but is a different size. We can find the scale factor of the dilation by comparing corresponding side lengths of the smaller and larger triangles.

We will choose two corresponding sides of the smaller and larger triangles and divide the length of the larger triangle by the length of the smaller triangle. This will give us the scale factor of the dilation. We will choose sides AC and A'C' of the triangles below: Coordinates of point A on smaller triangle = (2,2)Coordinates of point C on smaller triangle = (-1,-1)Length of AC = √[(2-(-1))² + (2-(-1))²] = √(3² + 3²) = √18Coordinates of point A' on larger triangle = (2,5)Coordinates of point C' on larger triangle = (-4,-1)Length of A'C' = √[(2-(-4))² + (5-(-1))²] = √(6² + 6²) = √72 = 6√2Scale factor of dilation = A'C'/AC = (6√2)/√18 = (6√2)/(3√2) = 2Thus, the scale factor of the dilation is 2. Answer: 2.

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Answer: 7

Step-by-step explanation:

19x-17x = 11 + 3

2x = 14

x = 7

Step-by-step explanation:

their mean is....

6+3+2+1+3+2+1+3+0+1/10=2.1

3+2+1+1+4+0+1+2+0/10=1.4

1+1+2+2+2+4+3+1+1+1/10=1.8

2+3+3+1+2+2+2+1+7+1/10=2.4

the means are 2.1,1.4,1.8,2.4

the average mean is

21+14+18+24/40

32+45/40

77/40=1.925

the average mean is 1.925

Slope = change in Y over change in x:

Slope = ( 7 - -3) / ( 4 -2)

Slope = (7 +3) / (4-2)

Slope = 10/2

Slope = 5

The answer is 5

The square in the middle

5( \(1\frac{2}{3}\) + \(3\frac{1}{3}\)) = ____

The triangle on the top

[2.75( \(1\frac{2}{3}\) + \(3\frac{1}{3}\))] ÷ 2 = ____

The triangle at the bottom

[4.2 ×  (\(1\frac{2}{3}\) + \(3\frac{1}{3}\))] ÷2=____

Add All the answers you got for the equations above and you have your answer!

Answer:

180 lb for an adult

Answer:

180 lb.

Step-by-step explanation:

This is due to the fact that 1.5 tons is literally 3,000 pounds and someone would have to be morbidly obese to weigh that much, 50 lbs. is underweight for an adult, 160 oz is 10 lbs which is even more underweight, which leaves 180 lbs as the last resort as well as the one that makes the most sense.

Brainliest please

Answer:

408 Cars

Step-by-step explanation:

Dividing 12 Hours by 1.5 hour

= 12/1.5 = 8

Now Multiplying 8 by 51

=51 x 8

= 408 cars  

Answer:

Formula to the area of a parallelogram is A = base x height

A = 14.3 x 11.4

A = 163.02in^2

(you got it right!)

The area of the parallelogram with a base of 14.3in and a height of 11.4in is 163.02 square inches.

A parallelogram is a quadrilateral with two pairs of sides that are parallel.

The area of a parallelogram is expressed as:

Area = base × height

Given the data in the question:

Base of the parallelogram = 14.3 in

Height of the parallelogram = 11.4 in

Area =?

To determine the area of the parallelogram, plug the given values into the above formula and simplify:

Area = base × height

Area = 14.3 in × 11.4 in

Area = 163.02 in²

Therefore, the area is approximately 163.02 square inches.

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Answer:

a) y²=x

b)(y-2)²=x

c)(3y)²=x

d)(y-2b)²=x

e)square root A =x

f)(P-2)²=x

g) square root (3H-6)=x

h) square root(5T-2)=x

Step-by-step explanation:

where I have written square root use the square root symbol.

Answer: Girls:

Range:66

Lower Quartile: 22

Upper Quartile: 56

IQ Range: 34

Mean Absolute Deviation: 19.4

Boys:

Range: 75

Lower Quartile: 12

Upper Quartile: 45

IQ Range: 33

Mean Absolute Deviation: 20.8

Step-by-step explanation: EDG2020

Answer:

For the girls, the range is 66, and for the boys the range is 75. Due to the boys having a larger range, this must mean that the boy’s data set is more varied than the girls. Regarding the girls data set, the lower quartile is 22, the upper is 56, and the interquartile range is 34. For the boys the lower quartile is 12, the upper is 45, and the IQ range is 33. The IQ range’s being very similar show that for both data sets, the middle values are the same amount spread out within that middle 50% of the data. The mean absolute deviation for the girls is 19.4, and for the boys it is 20.8. The boys having a larger MAD then the girls mean that the boys have a larger variability in their data set of how many songs were downloaded.

Step-by-step explanation:

this is what I said, change wording :)

Based on the survey results, a typical parent would spend around $44 on their child's birthday gift, with a margin of error of approximately $2.9 at a 99% confidence level.

To estimate how much a typical parent would spend on their child's birthday gift, we use the sample mean and standard deviation as estimates of the population parameters. The sample mean of $44 serves as the point estimate for the population mean.

To determine the margin of error, we use the standard error, which is the standard deviation divided by the square root of the sample size. In this case, the standard error is approximately $2.5 (standard deviation of $10 divided by the square root of 20). Multiplying the standard error by the critical value corresponding to a 99% confidence level (z-value of 2.58 for a large sample size) gives us the margin of error.

Therefore, the typical amount spent on a child's birthday gift is estimated to be $44, with a margin of error of approximately $2.9. This means that we can be 99% confident that the true mean amount spent by parents falls within the range of $41.1 to $46.9.

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Answer:

x =1 08

Step-by-step explanation:

Answer:

the answer is 5x

Step-by-step explanation:

Answer:

\(f(x)=(x+8)(x-5)\)

Step-by-step explanation:

Factor by grouping

\(f(x)=x^2+3x-40\\f(x)=x^2-5x+8x-40\\f(x)=x(x-5)+8(x-5)\\f(x)=(x+8)(x-5)\)

Answer: f(x) = (x - 5)(x + 8)

Step-by-step explanation:

      To factor, we will find two numbers that multiply to -40 and add to 3. We know that -5 and 8 multiply to -40 and add to 3, so we will use these two numbers.

Given:

      f(x) = x² + 3x - 40

Factor:

      f(x) = (x - 5)(x + 8)

Answer:

alternate interior angle tq

Answer:

−2.4x−9.6

Step-by-step explanation:

Answer:

Step-by-step explanation:

See image

7 to the power of 4 in the expanded form is written as:

a)The base is 7.

b)The exponent is 4.

c)The exponent tells you to multiply 7 together 4 times.

d)The expanded form is 7 × 7 × 7 × 7

Given that,

\(7^{4}\) - this indicates that 7 is the base and 4 is the exponent

Thus, The statement- The base is 7 and The exponent is 4  is true.

\(7^{4}\) - means the number 7 is being multiplied 4 times.

Thus, The statement- The exponent tells you to multiply 7 together 4 times and The expanded form is 7 × 7 × 7 × 7  is true.

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Answer:

option. A

Step-by-step explanation:

1 = y dollars   -  4=  8y  

Thursday

1= y dollars

4y

4y+8y+45

that is simplified

A. 12y+45

Step-by-step explanation:

Part A)

Area of Circle =

\(\pi {r}^{2} \\ = \pi( {4}^{2} ) \\ = 16\pi {m}^{2} \)

Part B)

Circumference of Circle =

\(2\pi \: r \\ = 2\pi(4) \\ = 8\pi \: m\)

Answer:

Part A: 16π m²

Part B: 8π m

Step-by-step explanation:

Part A

\(A=\pi r^2\) where r is the radius

Plug in 4 as the radius

\(A=\pi (4)^2\\A=\pi(16)\\A=16\pi\)

Therefore, the area of the circle is 16π m².

Part B

\(C=2\pi r\) where r is the radius

Plug in 4 as the radius

\(C=2\pi (4)\\C=8\pi\)

Therefore, the circumference of the circle is 8π m.

I hope this helps!

Answer:

A

Step-by-step explanation:

Answer:

20x + 35y

Step-by-step explanation:

\(5(4x + 7y) \\ = 5 \times 4x + 5 \times 7y \\ \huge \red{= 20x + 35y}\)

Answer:

It would take him eight hours, but only if at the end of your sentence you meant miles.

Step-by-step explanation:

8miles_____ 30mn

30miles ____________________ *hrs

8 div by 30, .266667 miles per min

mult by 30