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4 years ago

Which could be the area of a face of the rectangular prism? [Not drawn to scale] 5 m2 6 m2 7 m2 9 m2

Mathematics

2 answers:

masya89 [10]4 years ago

8 0

Answer:

I am aware of this question because i just did it, even though there is no picture.

Step-by-step explanation:

First you would find the area of each side.

After you do that only one answer correlates with a side of the rectangular prism.

So the answer is 6 meters squared.

jonny [76]4 years ago

4 0

Answer:

Step-by-step explanation:

<h2><em>Is the correct answer</em></h2>

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Which of the following expressions is equivalent to −56−13?Select all that apply.

Dmitrij [34]

So -56 -13 = -69
So the answer would be 69?
You didn’t show the options.

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3 years ago

the area of a rectangle is (y^2-8y+15) square inches. which expression represents a possible length? A. (y+5) B. (y-15) C. (y-2)

Pani-rosa [81]

D. (y-3)
I'm assuming that they want you to find the factors of the quadratic expression, which are (y-5)(y-3). (y-5) isn't up there, so (y-3) is the only solution that's really possible.

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3 years ago

Rina draws a plan of her school on a coordinate grid. She plots the school gate at point p(-8,-1) and the library at point Q(2,5

natka813 [3]

Answer:

The coordinates of the science lab is:

x = -14/3 , y = 1

Step-by-step explanation:

∵ P is (-8 , -1) and Q is (2 , 5)

∵ The point of the science lab is (x , y)

∵ The science lab point divided PQ at ratio 2 : 1 from Q (two thirds PQ)

∴ $x=\frac{m_{1}x_{p}+m_{2}x_{q}}{m_{1}+m_{2}}$

∴ $y=\frac{m_{1}y_{p}+m_{2}y_{q}}{m_{1}+m_{2}}$

∴ $x=\frac{2(-8)+1(2)}{1+2}=\frac{-14}{3}$

∴ $y=\frac{2(-1)+1(5)}{2+1}=\frac{3}{3}=1$

∴ The point of science lab = (-14/3 , 1)

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3 years ago

What is the value of a?

Juli2301 [7.4K]

Actually, the answer is not A, if you're saying A is the first choice above. That's incorrect. You will need to use the Geometric mean for right triangles here to figure out what the value of a is. We will use this form: $\frac{YZ}{WZ} = \frac{WZ}{XZ}$ . We have a value for YZ of 3; side a is XZ. That means in order to solve this we need WZ, which we can find using pythagorean's theorem. 3^2 + 4^2 = c^2 and 9 + 16 = c^2 and c = 5. Now we fill in accordingly: $\frac{3}{5}= \frac{5}{XZ}$ . Cross-multiply to get 3XZ=25 and side XZ is $\frac{25}{3}$ . XZ is 25/3 and YZ is 3, so 25/3 - 3 = XY. That means that XY (side a) = 16/3 or 5 1/3, choice B, or the second one down.

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3 years ago

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Vesna [10]

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4 years ago