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3 years ago

Hellp mee pleeeease

Mathematics

2 answers:

kenny6666 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

5 ( 3^2 +5)

PEMDAS says parentheses first

(3^2+5)

Exponents first inside the parentheses

9+5

Replace into the original expression

5 (14)

kompoz [17]3 years ago

6 0

Answer:

Step-by-step explanation:

5(3^2 + 5) = 5(9 + 5) = 5(14) = 60

Hope this helps)))

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Let f(x)=-3x-7 Abe g(x)=4x-5 find (f•g)(-3)

LiRa [457]

Answer:

272

Step-by-step explanation:

note that (f • g)(x) = f(x) × g(x) = (3x - 7)(4x - 5)

To evaluate substitute x = 3 into (3x - 7)(4x - 5)

(f • g)(- 3) = (- 9 - 7)(- 12 - 5) = - 16 × - 17 = 172

5 0

3 years ago

Michelle listed her three children as equal beneficiaries on her life insurance policy. If she has a $400,000 policy, how much w

Flauer [41]

All 3 of her children will receive 133,333.3333

8 0

3 years ago

How do you solve this problem?

motikmotik

The arcs $AB, BC, AC$ all equal to the third of the perimeter since equilateral triangle divides them like this.

So we need to find a perimeter but we are only given the area.

Let's review,

$A=\pi r^2 \\P=2\pi r$

That means that from area we area able to calculate radius.

$A=\pi r^2\Longrightarrow r=\sqrt{\dfrac{A}{\pi}}$

Insert the numbers,

$r=\sqrt{\dfrac{36\pi}{\pi}}=6$

Then use the perimeter formula to calculate perimeter since radius is known,

$P=2\pi\cdot6=12\pi$

Now divide perimeter by 3 to get length of AB arc.

$AB=\dfrac{12\pi}{3}=\boxed{4\pi}$

Hope this helps.

4 0

3 years ago

PLEASE HELP ASAP!!!!

Harlamova29_29 [7]

Answer:

D. $y=\frac{1}{4}x$

Step-by-step explanation:

3 0

3 years ago

Multiply mentally.0.012 × 400

yaroslaw [1]

The answer would be 4.8

6 0

3 years ago

Hellp mee pleeeease​

Hellp mee pleeeease