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S_A_V [24]
3 years ago
7

Find he measure of xi 5x-2 H

Mathematics
1 answer:
Aleks [24]3 years ago
5 0
I think it’s-10. Hope it’s right.
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4(2-4x)-3x=65 Whats the answer and how did you solve it?
IRINA_888 [86]

Answer:

x= -3

Step-by-step explanation:

Distribute 4(2-4x) which leaves you with 8-16x-3x=65

combine the like terms which leaves you with 8-19x=65

subtract 8 from both sides 8-19x-8=65-8 which leaves you with -19x=57

lastly divide -19 from both sides which leaves you with x= -3

3 0
2 years ago
Does Every positive real number have both a positive and negative cube root?
vovangra [49]
Yes. For example, 25. The square root of 25 is 5 because 5*5=25. Multiplying two negatives always= a positive, so -5*-5=25.
7 0
3 years ago
Read 2 more answers
35.5 feet long 7.25 feet wide 7.5 feet tall approx volume of the tank
Mumz [18]

wouldn't you multiply all three?

3 0
3 years ago
Read 2 more answers
Meghan used her cell phone for 45 minutes each day for n days. Her total minutes of cell phone usage was 540 minutes. Use the eq
DerKrebs [107]

Answer:

12

Step-by-step explanation:

45n=540

45/45=540/45

n=12

7 0
3 years ago
Jane had several stamps. She gave 10 of them to her friend. Afterwards, Jane’s mom bought her twice as many stamps as she had in
Bumek [7]
The answer is 20 stamps. 

You can solve this by forming an equation with. 

We know that she has a total of 50 at the end. So we will put the 50 stamps at the end of the equation and derive for the unknown. 

She first gave 10 to her friend. This means we subtract first 10 from the unknown. Let x represent the unknown. 

x-10

Afterwards Jane's mom bought her twice as many as she had at the beginning. So we know that we add twice as much as the unknown. 

x-10+2x = 50

Now we solve. Let's arrange our terms by combining like terms:
3x - 10 = 50

Now we transpose the 10 to the other side of the equation:
3x = 50 + 10
3x = 60

And finally we transpose the 3 by the x to isolate x:
x = 60/3
   = 20 

She had 20 stamps in the beginning.

6 0
3 years ago
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