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Airida [17]
3 years ago
9

HELP!! Solve each equation.

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

what equation.?

Step-by-step explanation:

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Solve the system of equations given . -2x+5y=-3
algol13

For this case we have the following system of equations:

-2x + 5y = -3\\y-15 = 3x

We multiply the second equation by -5:

-5y + 75 = -15x

Now we add the equations:

-2x-5y + 5y + 75 = -3-15x\\-2x + 75 = -3-15x\\-2x + 15x = -75-3\\13x = -78\\x = \frac {-78} {13}\\x = -6

We find the value of the variable "y":

y = 3x + 15\\y = 3 (-6) +15\\y = -18 + 15\\y = -3

THE solution is: (-6, -3)

Answer:

(-6, -3)

3 0
4 years ago
Sara bought a 25-ounce jar of strawberry jam for $4.50. What is the unit price?
fgiga [73]
$0.18 is the answer. How I got it was you do $4.50 over 25 ounces. Then divide the $4.50 by 25. You should get 0.18
7 0
3 years ago
which will increase the volume of a square pyramid more doubling the length of each side of tripling the height (hint test it wi
Furkat [3]
Im pretty sure it would be doubling the length of each side
8 0
3 years ago
Read 2 more answers
This season, Dominic has hit 13 home runs and Mitchell has hit 7 home runs. How many more home runs has Dominic hit than Mitchel
Ilya [14]

Answer:

6

Step-by-step explanation:

To answer this simply subtract 7 from 13 to find the answer.

13-7=6

Hope this helps!

If not, I am sorry.

5 0
2 years ago
Find the area of a trapezoid with b1 = 3 cm, b2 = 22 cm, and h = 6 cm.
Molodets [167]
Area of trapezoid = Average length of parallel lines x height

3+22=25
25/2= 12.5
12.5x6=75cm^2
6 0
3 years ago
Read 2 more answers
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