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Vikki [24]
2 years ago
5

Use substitution to determine the solution of the system of equations. Write the solution as an ordered pair.

Mathematics
1 answer:
zubka84 [21]2 years ago
5 0
The answer is (6,4) x=6 y=4
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Two smoothies and an ice cream cone cost $7.50. Three smoothies and two ice cream cones cost $12. Calculate the cost of a smooth
anygoal [31]

Answer:

Smoothie = 3

Ice cream = 1.5

Step-by-step explanation:

2s + i = 7.5

3s + 2i = 12

subtract the equations

(3s + 2i) - (2s + i) = s + i

s + i = 4.5

2s + i = 7.5,  so s must equal 3 (7.5 - 4.5)

If s = 3, then i is 1.5 (4.5 - 3.5)

To check, plug 3 and 1.5 into s and i.

2(3) + 1.5 = 7.5

6 + 1.5 = 7.5

7.5 = 7.5

3(3) + 2(1.5) = 12

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3 years ago
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Tatiana [17]

Answer:

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Step-by-step explanation:

8 0
2 years ago
Distance and slope for (1,4) & (2,2)
sammy [17]

Answer:

Distance (rounded to the nearest hundredth): 2.23

Slope: -2

Step-by-step explanation:

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2 years ago
How is the quotient 5 to the 8th power expressed as a power of 5
Sauron [17]

Answer:

5^4

Step-by-step explanation:

When dividing exponents with the same base, you subtract their exponents.

8-4=4

This means that 5^8 / 5^4 is equal to:

5^4

6 0
3 years ago
Solve 2(x-1)+2(3x-1)=0 ​
sertanlavr [38]

Answer:

(x-1)+2(3x-1)=0

2x-2+6x-2=0

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8x=4

x=4/8

×=1/2

8 0
2 years ago
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