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Harrizon [31]
3 years ago
8

Explain how to solve the equation and how to check the solution. 40 = 8y

Mathematics
2 answers:
mina [271]3 years ago
8 0

Answer:

U already know the answer, then why ask?? I'll explain it once again, tho :)

Step-by-step explanation:

40 = 8y

40 ÷ 8= y

<u>5 = </u><u>y</u>

~~~

MakcuM [25]3 years ago
4 0

Answer:

equations by using inverse operations, including squares, square roots, cubes, ... A pair of inverse operations is defined as two operations that will be ... The following examples summarize how to undo these operations using their ... x is divided by 2, so we multiply by 2 on both sides. 2. 8 2. 2 x. ∙ = ∙. Solution: 16. explanation:

Step-by-step explanation:

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PLEASE HELP {It costs 5,700 every one sixth of an hour to build a hotel how many cents does building a hotel cost per second?}
Keith_Richards [23]
One sixth of an hour is 10 minutes.
That means it costs 5,700 every 10 minutes.

Costs 5,700 = 10 minutes

Dive 10 on both sides.

Costs 570 = 1 minute

Lets convert the minute into seconds.

Costs 570 = 60 seconds

Divide both sides by 60.

Costs 9.5 cents = 1 second

Round it off since you can't pay 9.5 cents.

Costs 10 cents = 1 second

This means that every second they pay 10 cents for the hotel. :D


8 0
4 years ago
Simplify 64^-1/3<br> A. -4<br> B. -1/4<br> C. 1/4<br> D. 4
shepuryov [24]

Remember, the numerator of an exponenent represents the root. As well, a negative exponent means to take the reciprocal of the positive exponent (a^{-b} = \frac{1}{a^{b}}.

So, 64^{-1/3} is equal to \sqrt[3]{64^{-1}} which is 1/4, because 1/4*1/4*1/4 is 1/64 (1/64 cubed root is 1/4).

For example, a^{b/c} = \sqrt[c]{b^{b}}

The answer is c.

5 0
3 years ago
Read 2 more answers
Factor the equation <br> 5x^2+60x+160
timurjin [86]

Answer:

5(x+4)(x+8)

Step-by-step explanation:

5x^2+60x+160

factor out the 5 first,

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then factor out the trinomial,

find 2 numbers that when they multiply,

you get the third term, which is 32 in this case,

and when they add up,

you get the second term, which is 12 in this case.

5(x+4)(x+8)

7 0
3 years ago
Is the airplane’s altitude a function of time? Yes, because any input of time results in only one output of altitude. Yes, becau
dimulka [17.4K]

Answer:

subtract 60 from 130 to get your answer for the altitude

6 0
3 years ago
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Help 7th grade math i have 2 mins before i guess the answer
Effectus [21]

Answer is in the photo. I can only upload it to a file hosting service. link below!

shorturl.at/ipxUY

5 0
3 years ago
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