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3 years ago

11

Which is the value of g(-5) if g(x)=3.4x-8?

1 answer:

irinina [24]3 years ago

6 0

Plug the value -5 in. (3.4)(-5) - 8 is equivalent to -17 - 8. Final answer: g(-5) = -25.

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10. The perimeter of a regular nonagon is 162 inches. The apothem is 97.8 inches. Find the area.

Katen [24]

Answer:

The area of the regular nonagon is 7921.8 square inches.

Step-by-step explanation:

Geometrically speaking, the area of a regular polygon is determined by following area formula:

$A = \frac{p\cdot a}{2}$ (1)

Where:

$A$ - Area of the regular polygon, in square inches.

$p$ - Perimeter, in inches.

$a$ - Apothem, in inches.

If we know that $p = 162\,in$ and $a = 97.8\,in$ , then the area of the regular nonagon is:

$A = 7921.8\,in^{2}$

The area of the regular nonagon is 7921.8 square inches.

8 0

3 years ago

Help ASAP!!!<br> Worth 30 points!!!

sladkih [1.3K]

$2m+22$

I hope this helped!

4 0

3 years ago

Read 2 more answers

Many experts have argued for the elimination of rote memorization as a method for learning mathematical facts such as basic oper

N76 [4]

I think they should keep it around, even if it might not be the most efficient strategy. After all, what if you need to solve a problem using multiple strategies?

5 0

3 years ago

a right triangle is removed from a rectangle to create the shaded region shown below. find the area of the shaded region. be sur

ser-zykov [4K]

Answer:

36

Step-by-step explanation:

Objective: Find missing dimensions of the right triangle using the then subtract that area of the triangle from the rectangle's area.

Using the definition of a rectangle, the left vertical side measure is 7 and right vertical side is 6. So the missing legs of the triangle is 4 and 3.

Apply triangle formula, base x height divided by 2.

$\frac{4 \times 3}{2} = 6$

Area of rectangle is length x width so the area is

$7 \times 6 = 42$

Subtract 6 from 42.

$42 - 6 = 36$

3 0

3 years ago

What is the volume of a cylinder with a height of 4xy^4 and a radius of 2x? (The formula fo

OLga [1]

Answer:

volume: $\sf 16\pi x^3y^4$

given:

height: $\sf 4xy^4$

radius: $\sf 2x$

<u>cylinder volume</u>:

$\hookrightarrow \sf \pi r^2h$

$\hookrightarrow \sf \pi (2x)^2(4xy^4)$

$\hookrightarrow \sf \pi (4x^2)(4xy^4)$

$\hookrightarrow \sf 16\pi x^3y^4$

3 0

2 years ago