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NikAS [45]
3 years ago
11

Which first step for solving the given system using substitution results in an equation wit

Mathematics
1 answer:
Paraphin [41]3 years ago
8 0
I don’t know if I’m right but I got 2/3 but you should use desmos
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I need help please this due tomorrow
mr Goodwill [35]
6. $1,470

7. $7.88

8. $11.12

9. (dont hold me on it) 4.5522581%
6 0
3 years ago
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An electrician needs to run a cable from the top of a 40​-foot tower to a transmitter box located 30 feet away from the base of
grin007 [14]
The cable should be 50 feet.

If you draw the picture, you will see that you have a right triangle.

Let's just use the Pythagorean Theorem to find the hypotenuse (or cable).

30^2 + 40^2 = c^2
2500 = c^2
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3 0
3 years ago
Solve for r. k=3r-7s
const2013 [10]
R=7s/3+k/3

Hope this helps!
5 0
3 years ago
F(x)=3x-7 find the value of c so that f(c) =20 is true
Andreas93 [3]

<u>Answer</u>:

c = 9

<u>Explanation</u>:

given: f(x)=3x-7

<em>if f(c) =20</em>

To solve this replace x with c and then y is 20.

<u>Solve</u>:

3c - 7 = 20

3c = 27

c = 27 ÷ 3

c = 9

7 0
2 years ago
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The graphs below have the same shape. What is the equation of the red
Citrus2011 [14]

Answer:

g(x)=2-x² OR g(x)=-x²+2

Step-by-step explanation:

Notice that the red parabola doesn't stretch or compress. It only translates 3 units down. This means taking the original equation f(x)=-x²+5 and subtracting 3 units will get us the equation g(x)=-x²+2 which is also the same thing as g(x)=2-x². Looks like some of your answer choices got cut out of the picture so make sure to choose the answer I provided.

4 0
3 years ago
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