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4 years ago

PLZ HELP ME THIS DUE TODAY plzzzz!!!!

Mathematics

1 answer:

il63 [147K]4 years ago

6 0

Answer:

A. -6.5

B. -21/4

C. -4

Work:

Hope it gets you a good grade! Your Welcome!

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The base of a triangle is 2 more than twice the height of the triangle. Find the measure of the base and the height if the area

vekshin1

B = 2 + 2H
A = 20 ft^2
H = H

Since the Area of a Triangle is Base * Height then the formula should be:
A = BH
20 = H(2+2H)
20 = 2H^2 + 2H
0 = 2H^2 + 2H - 20

Find the zeros of the quadratic equation through substituting the values of a,b, and c. You will get the zeros of x = 2.7 and -3.7. The only thing that would make sense is you use the x=2.7 because there are no negative heights.

Since b = 2h+2
b= 2(2.7) + 2
b= 5.4 + 2
b=7.4

I don't know where you got 4 and 10, but what I got is different.

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The Tasty Cookies Factory has a new robotic oven that produces 3,258 cookies each day. They sell the cookies in boxes of 12 cook

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the landscaper uses 4 bags of topsoil to cover 3/8 of the garden. how many bags of topsoil will he need to buy to cover the whol

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How many solutions to this equation?<br> 145 = 10x - 8x<br> A. 2<br> B. 1<br> C. infinitely many

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3 years ago

Which equation can be used to calculate the surface area of the triangular prism net show below? The net of a rectangular prism.

gizmo_the_mogwai [7]

The $13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$ equation can be used to calculate the surface area of the triangular prism.

It is given that the triangular prism net showing in the figure with dimensions.

It is required to find which equation can be used to find the surface area of the triangular prism net.

<h3>What is surface area?</h3>

It is defined as the area of 3-dimensional geometry surfaces area sum which is occupying the outer area of the object.

We know the area of a rectangle = length × width

Area of the top rectangle = 13×10

Area of the middle rectangle = 12×10

Area of bottom rectangle= 5×10

The formula for finding the area of a triangle:

$\rm A=\frac{1}{2} \times bh$

Area of right triangle = $\rm \frac{1}{2} \times 5 \times12$

Area of left triangle = $\rm \frac{1}{2} \times 5 \times12$

The surface area = Area of top+ Area of middle+ Area of bottom+ Area of

a right triangle+ Area of the left triangle

$=13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$

Thus, the $13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$ equation can be used to calculate the surface area of the triangular prism.

Learn more about the surface area here:

brainly.com/question/1196953

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3 years ago