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quester [9]
2 years ago
6

Solve the system of equations using substitution.

Mathematics
1 answer:
Lynna [10]2 years ago
6 0

Answer:

(6,12)

Step-by-step explanation:

Substitute the value of y into y=2x:

x+6=2x

x=6

Substitute x into the equation of y=2x

y = 2*6 = 12

(6,12)

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2350 million in standard form
topjm [15]

Answer:

in this problem we have

2,350 million

Remember that

1 million=1,000,000

so

2,350 million=2,350*1,000,000=2,350,000,000

convert to standard form

2,350,000,000=2.35*10^{9}

therefore

the answer is

2.35*10^{9}

Step-by-step explanation:

8 0
3 years ago
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The total cost of five pens and eight mechanical pencils is 12.65. The cost of each mechanical pencil is 0.75 cents. Which repre
Tanya [424]

Answer:

the cost of each pen is 1.33

Step-by-step explanation:

if you multiply 0.75 by 8 you get 6 after that you subtract 6 from 12.65 which means you have 6.65 which you divide by 5 which equals 1.33  

7 0
3 years ago
Whats 10x + 12=82 I need help with my math.
bonufazy [111]

Answer:

7

Step-by-step explanation:


8 0
3 years ago
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scZoUnD [109]
How did you get to put a picture
7 0
2 years ago
How do I solve this properly?
o-na [289]

Answer:

x \geq 4

Step-by-step explanation:

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