What are the exact solutions of x^2 = 4 − 7x?

Answers

Answer 1

Answer: see attached picture for answer

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3/8 +1/5 equals what it is on my homework and I'm struggling

Answers

make bottom numbers same
they should be 40
to kee p fractions the same multiply topo and bottom by same number
3/8 times 5/5=15/40
1/5 times 8/8=8/40
15/40+8/40=23/40

23/40
*You might beable to simplify it

If gas costs $2.49 per gallon, how many whole gallons of gas could you buy with $15.00?(Make sure to answer with a whole number.

Answers

15/2.49 = 6.02 round down to a whole number is 6

Answer: 6.02

Step-by-step explanation:

If we know 1 gallon = 2.49

We would have to do 15.00 divided by 2.49 in order to figure out how many gallons we need. When we do that we would get 6.024 but you can round by the nearest tenth because you need to have a whole number and you would get 6 ·ω·

What are the square roots of 256? A.
15 and –15

B.
16 and –16

C.
25 and –25

D.
128 and –128

Answers

the square root of 256 is 16 and -16

I think...
B
not sure

Marisa wants to buy a DVD player that costs$150. She already saved $80 and plans to save
an additional $10 each week. Write an equation
that represents this.

Answers

Answer:

$80 + ($10×7) = $150

hope this is what you looking for

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