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Leona [35]
2 years ago
9

How to solve this problem

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
8 0
You're going to use cross multiplication.
1 gal x 21 miles = 25miles x x
21 miles = 25x
Divide each side by 25 to get x alone
21/25 = 0.84, which is your x value.
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Step-by-step explanation:

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3 years ago
The blue dot is at what value on the number line?<br> -7<br> -3<br> ?
Rasek [7]

Answer:

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7 0
3 years ago
Somebody help me!
tiny-mole [99]

Answer:

josh vendió 17 libros recaudando 306 dolares .

jessica vendió  255 libros recaudando 4590 dolares.

Step-by-step explanation:

Sustituimos por variables :

libros que vendió Jessica = x

libros que vendió Josh = y

entonces:

x + y = 272

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Reemplazamos en la anteriior ecuacion:

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Reemplazamos en la primela ecuacion :

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7 0
2 years ago
F(x)=-x^2+6x+14 vertex
sasho [114]

Answer:

Vertex: (3, 23)

Step-by-step explanation:

a = -1   b = 6   c = 14

x vertex = \frac{-b}{2a}

\frac{-6}{-2}=3

f(x)-x^{2} +6x+14\\f(3) = -(3)^{2}+6(3) + 14 \\f(3)=-9+18+14\\f(3)=23

4 0
3 years ago
Read 2 more answers
If m=5, evaluate the following: 20-5m =​
MissTica

Answer:

-5

Step-by-step explanation:

20-5m

20-5(5)

20-25

5.

Is this the answer that you are looking for?

6 0
2 years ago
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