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grandymaker [24]
3 years ago
9

10(2.1q -2) + (7.5q+18)

Mathematics
1 answer:
aliina [53]3 years ago
6 0

Answer:

Simplify the expression.

28.5q−2

Step-by-step explanation:

i think this what you would like

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The quotient of 5 subtracted from a number and 7 is 4.2?
klasskru [66]
No, because 5 subtracted from 7 is 4. 7-5=4
5 0
3 years ago
Teri incorrectly solved the system of equations below. Correctly identify the error Teri made. 2x - 10 y = -30 x - 5y = 20 Step
umka21 [38]

Answer:

See explanations below

Step-by-step explanation:

Given the system of equation

2x - 10 y = -30 ... 1

x - 5y = 20 ... 2

Step: From 2;

x = 20 + 5y ...3

Step 2: Substitute equation 3 into 1

2x - 10y = -30

2(5y+20) - 10y = -30

Open the bracket

10y + 40 - 10y = -30

10y - 10y + 40 = -30

0+40 = -30

40 = -30

The steps taken by Teri are correct all through. He didn't make any error whatsoever

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2 years ago
Please help me to answer this​
Tems11 [23]
Answer : The statement is false for any value of because the even root function is always positive or

8 0
2 years ago
A clothes dryer having a wattage of 5000 watts is used for 25 hours each month. How many kilowatt hours of electricity does the
taurus [48]

Answer:20000

Step-by-step explanation:

30+1000+4000

5 0
3 years ago
Im confused on this one !
Alex787 [66]

I believe that it would be the first one. They are looking for the distance from the y-axis, so the x value doesnt matter. 6 is 6 units away from the y-axis, and -6 is also 6 units away from the y-axis. Hope I helped!

6 0
3 years ago
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