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3 years ago

Can anyone please help me with this question on this test please I will give brainlist!!

Mathematics

2 answers:

Yanka [14]3 years ago

6 0

Answer:

they would intersect at (5,5)

aleksley [76]3 years ago

5 0

Answer:

They would intersect at 5.5,5 or take it 5,5

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A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?

Naya [18.7K]

First we will find the total measure of the second base.

Second base is extended more so that meas it will measure extended part plus the first base.

Second base = 7 + 5 = 12.

Now for the area.

A = 1/2(b1+b2)(h)
A = 1/2(7 + 12)(7)
A = 66.5

The area is 66.5 ft²

Hope this helps :)

4 0

3 years ago

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ORDER THE SET OF NUMBERS FROM LEST TO GREATEST<br> 3/5 O.49 17/20 0.5

goldenfox [79]

0.49 < 0.5 < 3/5 < 17/20
Sorry if I’m wrong :,)

6 0

3 years ago

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Which of the following equations would not be a line when graphed? Explain how you can tell by just looking at the equations.

pogonyaev

Answer:

Step-by-step explanation:

In my opinion, I beleive it's y=9 becasue the rest of the equations have x in them. bth, this is me just by looking at the equation.

3 0

3 years ago

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Can somebody explain this to me when 2du = 16xdx ???

tamaranim1 [39]

When you set $u=4x^2+4$ , you end up with the differentials $\mathrm du=8x\,\mathrm dx$ . Multiplying both sides by 2 gives $2\,\mathrm du=16x\,\mathrm dx$ .

Then the integral is

$\displaystyle\int_0^1\frac{16x}{(4x^2+4)^2}\,\mathrm dx=\int_4^8\frac2{u^2}\,\mathrm du=-\frac2u\bigg|_{u=4}^{u=8}=-2\left(\frac18-\frac14\right)=\frac14$

8 0

3 years ago

Voltage sags and swells. Refer to the Electrical Engineering (Vol. 95, 2013) study of transformer voltage sags and swells, Exerc

Artist 52 [7]

Answer:

a. z-score for the number of sags for this transformer is ≈ 1.57 . The number of sags found in this transformer is within the highest 6% of the number of sags found in the transformers.

b. z-score for the number of swells for this transformer is ≈ -3.36. The number of swells found in the transformer is extremely low and within the lowest 1%

Step-by-step explanation:

z score of sags and swells of a randomly selected transformer can be calculated using the equation

z= $\frac{X-M}{s}$ where

X is the number of sags/swells found

M is the mean number of sags/swells

s is the standard deviation

z-score for the number of sags for this transformer is:

z= $\frac{400-353}{30}$ ≈ 1.57

the number of sags found in the transformer is within the highest 6% of the number of sags found in the transformers.

z-score for the number of swells for this transformer is:

z= $\frac{100-184}{25}$ ≈ -3.36

the number of swells found in the transformer is extremely low and within the lowest 1%

5 0

3 years ago