3 years ago

8m and 12.8 and 10 and 13. What is the area of the prism

Mathematics

1 answer:

ale4655 [162]3 years ago

5 0

You need to state which one is the height.

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find the value of the variable. if your answer is not an interger, leave it in simplest radical form.

kotykmax [81]

Answer:

Step-by-step explanation:

using the sine ratio in the right triangle, then

sin 45° = $\frac{opposite}{hypotenuse}$ = $\frac{x}{5}$

multiply both sides by 5

note the exact value of sin 45° = $\frac{\sqrt{2} }{2}$

x = 5 × sin 45° = 5 × $\frac{\sqrt{2} }{2}$ = $\frac{5\sqrt{2} }{2}$

4 0

3 years ago

How do you do 1/4 (16x+20)-7x

Ira Lisetskai [31]

Distribute the 1/4:
1/4(16x) + 1/4(20) - 7x

Do the multiplication:
1/4(16x) = 16x/4 = 4x
1/4 (20) = 20/4 = 5

Now you have:
4x + 5 - 7x = 0

Combine like terms (4x and -7x):
-3x + 5 = 0

Subtract 5 from both sides:
-3x = -5

Divide by -3:
x = -5/-3 = 5/3

Answer:
x= 5/3

6 0

3 years ago

PLEASE HURYYYY <br>Solve the inequality.<br><br>−2 <m – 7

soldi70 [24.7K]

Here you go, hope it helps:)