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vampirchik [111]
3 years ago
12

F(x)=24/3x-2 find f(-2)

Mathematics
1 answer:
Anna007 [38]3 years ago
4 0
F(x)=24/3x-2 ==> substitute -2 for x
f(-2)=24/3(-2)-2===> Multiply -2 by 24/3
f(-2)=-48/3-2==> Divide -48 by 3
f(-2)=-16-2 ===>Combine
f(-2)=-18
Therefore f(-2) is -18
You might be interested in
\(x + 60)<br> Find mZGJI<br> A. 15°<br> B. 75°<br> C. 100°<br> D. 1050
vampirchik [111]

Answer:

the answer is B. 75

Step-by-step explanation:

5 0
3 years ago
What are the coordinates of B
Kitty [74]

The coordinates of B are (14, -10).

<h3>How to find mid point?</h3>

The midpoint is already know . we can use it to find the coordinates of B.

Therefore,

(xₙ, yₙ) = (x₁ + x₂ / 2, y₁ + y₂ / 2)

Hence,

M(5, - 4) and A(-4, 2)

The coordinates of B are as follows:

(5, - 4)  = (-4 + x₂ / 2 , 2 + y₂ / 2)

5 = -4 + x₂ / 2

10 = -4 + x₂

x₂ = 14

hence,

-4 = 2 + y₂ / 2

-8  = 2 + y₂

y₂ = - 10

Therefore, the coordinates of B are (14, -10)

Learn more about midpoint here: brainly.com/question/25377004

#SPJ1

7 0
1 year ago
A chemist has three different acid solutions. The first acid solution contains
ehidna [41]
Let t, f, and s be the amount of 25%, 40%, and 60% solutions used.

We are told s=3f.  The general equation is:

100(0.25t+0.4f+0.6s)/(t+s+f)=45, and using s=3f  we have:

(0.25t+0.4f+1.8f)/(t+4f)=0.45

(0.25t+2.2f)/(t+4f)=0.45

0.25t+2.2f=0.45t+1.8f  

0.25t+0.4f=0.45t

0.4f=0.2t

t=2f, remembering that s=3f, will allow us to solve for f

t+s+f=60, using t and s from above

2f+3f+f=60

6f=60

f=10 L then

s=3f=30 L  and t=2f=20L

So 20L of 25%, 10L of 40%, and 30L of 60% acid solutions need to be mixed to make 60L of 45% acid solution.
5 0
3 years ago
What is 15 percent in 660
Elodia [21]

Answer:

99

Step-by-step explanation:

10% = 66

5% = 33

66+33=99

8 0
3 years ago
Read 2 more answers
Please answer this correctly
goblinko [34]

Answer:

Car: 60%

Motorcycle: 30%

Truck: 10%

Step-by-step explanation:

Car: \frac{12}{12+6+2} =\frac{12}{20} =\frac{60}{100} or 60%

Motorcycle: \frac{6}{12+6+2} =\frac{6}{20} =\frac{30}{100} or 30%

Truck: \frac{2}{12+6+2} =\frac{2}{20} =\frac{10}{100} or 10%

7 0
3 years ago
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