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lions [1.4K]
2 years ago
7

Solve using substitution​

Mathematics
1 answer:
aliina [53]2 years ago
3 0

Answer:

(3, -8)

Step-by-step explanation:

-3*3 - 3y = 15

-9 -3y = 15

3y = -24

y = -8

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The perimeter of a rectangle is 68cm.
andrew11 [14]

Answer:

9

Step-by-step explanation:

The equation for the perimeter is 2(L+B)

Since the perimeter is 68

Divide it by two

Subtract the quotient by 25 and

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7 0
2 years ago
Which of the following ordered pairs would be the origin on a graph?
Triss [41]

Answer:

D is the answer

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0,0 is the only one that both start at 0, which is crucial for the origin (or really just to make sure they have the exact same number :) )

6 0
3 years ago
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Sauron [17]
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One real-world problem that is solved by an equationJohnny deposits $2,000 into a bank account. If the interest rate is 5% per month how much will he have gained in interest in 6 years?5% of 2,000 is 100100 x 12 = 1,2001,200 x 6 = 7,200Johnny would gain $7,200 in 6 years''

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6 0
3 years ago
BRAINLEST
Debora [2.8K]
I believe it's cones, cylinders, and spheres, hope this really help, and good luck 
7 0
2 years ago
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mote1985 [20]

Answer:

Step-by-step explanation:

l = 7 in

w = 11 in

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3 0
3 years ago
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