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bezimeni [28]
3 years ago
8

Find the surface area of the figure.

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0
B, 224in2

It may get tedious but just find the area of each face and write them down
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Rewrite the fraction 5 over 4 as an equivalent fraction with a denominator equal to 16
irakobra [83]
5/4=
20/16
Answer: 20/16
4 0
2 years ago
Read 2 more answers
THE RIGHT ANSWERRRRRR
Mkey [24]
Area of semicircle = 1/2 the area of a circle:
A_{sc}=\frac{1}{2}  \pi  r^{2}
radius is half the diameter of 6ft.
A_{sc} = \frac{1}{2}  \pi  (3^{2} )=14.13 ft^{2} .
Area of the rectangle:
A_{r} =lw=15*6=90 ft^{2} .
Add the two together:
90 + 14.13 = 104.13
Round to the nearest tenth (one decimal place)
Area = 104.1 square feet.

4 0
3 years ago
The line x = k intersects the graph of the parabola x = -2y^2 - 3y + 5 at exactly one point. What is k? Thank you! :)
bearhunter [10]

Answer:

49/8 is the value of k

Step-by-step explanation:

We have the system

x = -2y^2 - 3y + 5

x=k

We want to find k such that the system intersects once.

If we substitute the second into the first giving us k=-2y^2-3y+5 we should see we have a quadratic equation in terms of variable y.

This equation has one solution when it's discriminant is 0.

Let's first rewrite the equation in standard form.

Subtracting k on both sides gives

0=-2y^2-3y+5-k

The discriminant can be found by evaluating

b^2-4ac.

Upon comparing 0=-2y^2-3y+5-k to 0=ax^2+bx+c, we see that

a=-2, b=-3, and c=5-k.

So we want to solve the following equation for k:

(-3)^2-4(-2)(5-k)=0

9+8(5-k)=0

Distribute:

9+40-8k=0

49-8k=0

Add 8k on both sides:

49=8k

Divide both sides by 8"

49/8=k

6 0
3 years ago
Shape 1 is similar to shape 2
melamori03 [73]

Yes it is, and don't worry, I hate school too! Amazing username!

8 0
3 years ago
HELP PLEASE I WILL GIVE BRAINLIEST!!!!
devlian [24]

Answer:

Would you mind posting a picture instead thank you.

4 0
3 years ago
Read 2 more answers
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