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ivann1987 [24]
4 years ago
7

Please help me with my math homework and tell me if the ones that i got are correct. thank you.

Mathematics
1 answer:
blagie [28]4 years ago
5 0
Yes the ones that you did are correct
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Write an equivalent expression for 4(3a+7)+3 (2a+5) if a=5, is the the solution to both expressions the same
Levart [38]
<span>Alternative</span>
4(3*5+7)+3(2*5+5)=
4(22)+3(15)=
(4*22)+(3*15)=
88+45=133

4 0
3 years ago
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What is the solution to the given system of equations. y = 4x - 3<br> y = -X- 13
san4es73 [151]
Y = 4x - 3
y = -x - 13
Since both equations equal y, we will just substitute both equations to equal each other.
4x - 3 = -x - 13
+x on both sides
5x - 3 = -13
+3 on both sides
5x = -10
/5 on both sides
x = -2

Substitute x = -2 into one of the equations.
y = -x - 13
y = -(-2) - 13
y = 2 - 13
y = -11

To check answer, plug in both x and y values into one of the equations.
y = -x -13
-11 = -(-2) - 13
-11 = 2 - 13
-11 = -11

Answer:
x = -2
y = -11
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3 years ago
Es el punto donde coinciden tres aristas​
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The graph below shows the price, y, in dollars, of different amounts of granola, x, in pounds:
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Y=4x. its 4 bucks for each pound of granola
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4 years ago
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Find f(x) and g(x) so that the function can be described as y = f(g(x)).
GenaCL600 [577]
You could make this super easy by letting g(x) = x^{2} +2 and f(x) = \frac{9}{x} and then the composition would be to take g(x) and put it into the x in f(x) to give you your \frac{9}{ x^{2} +2}
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