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icang [17]
3 years ago
11

Simplify: (2.1 x 10 3) x (2 x 102)

Mathematics
2 answers:
notka56 [123]3 years ago
4 0

Answer:

25/45

Step-by-step explanation:

Keith_Richards [23]3 years ago
3 0

Answer:

Step-by-step explanation:

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Use the system of equations to answer the questions. 2x + 3y = 3, y = 8 - 3x. The value of y from the second equation is substit
Fittoniya [83]

Answer:

x=3 y=-1

Step-by-step explanation:

To get the value of x you need to put in the second equation which is y=8-3x as the y value for the first equation which is 2x+3y=3 making it

2x+3(8-3x)=3

2x+24-9x =3

24-7x =3

-7x=-21

Multiplying both sides by -7

x= 3

After getting an x value you substitute it in the equation in order to find your y value which is

2x+3y=3

2(3)+3y=3

3y=-3

Multiplying both sides by 3

y= <u>-3</u>

3

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7 0
3 years ago
Simplify (3x² - x + 2)[(5x - 2) - (x - 1)]
sergiy2304 [10]
Answer = <span><span><span><span>12<span>x3</span></span>−<span>7<span>x2</span></span></span>+<span>9x</span></span>−<span>2</span></span>
6 0
4 years ago
Ratios for 42 and 54
seropon [69]

Answer:30 and 7

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
GOD BELIEVES YOU CAN HELP ME
12345 [234]

Answer:

40 percent

2/5 is 40 percent

3 0
3 years ago
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Susan earned $8.25 per hour babysitting last summer. She worked 15 hours a week. How much did she earn in 6 weeks?
irina1246 [14]
15*6=90 hours
90 *8.25=742.50
Your answer would be $742.50. Hope it helps!
4 0
4 years ago
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