3 years ago

PLEASE HELP ASAP!!

Mathematics

2 answers:

anygoal [31]3 years ago

5 0

Answer:

the answer is b because the same score means more validity

mixer [17]3 years ago

4 0

Answer:

D. Reliability

Step-by-step explanation:

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What is m/ 4 − 66 = -57?

Paladinen [302]

Answer:

The answer is m = 36

Step-by-step explanation:

m/4 - 66 = -57

m - 264 = -228

m = -228 + 264

m = 36

3 0

3 years ago

The Hoover Dam in the U.S produces 2 x 10 ^9 Watts of electricity and is composed of 7 x 10^9 kg of concrete. Concrete requires

kondaur [170]

Answer:

1) $7 x 10^{15} J$

2) $40.5$ days

Step-by-step explanation:

1) First of all we use $1MJ=1x10^{6}J$ so the total energy will be $7x10^{9} kg * 1x10^{6} \frac{J}{kg} =7x10^{15}J$ .

2)Then we use $1W=1\frac{J}{s}$ and $Time=\frac{7 x 10^{15} J }{2x10^{9}J/s} =3.5x10^{6}s$ or $3.5x10^{6}s*\frac{1h}{3600s}*\frac{1day}{24h} =40.5 days$

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3 years ago

Tommy's batting average this season is 0.275. This means that he had hit in 27.5% of his at-bats. If Tommy had 11 hits so far th

user100 [1]

27.5/100=11/x
11 x 100 = 27.5x
1100=27.5x
1100/27.5=x
40 hits

3 0

4 years ago

suppose you earn $15 per hour working part time as a carpenter. this month, you want to earn at least $950. how many hours must

Paul [167]

You must work 64 hours this month.

7 0

4 years ago

Read 2 more answers

Plz help me ASAP! Below is the question.

Kipish [7]

Answer:

you are rigjt

Step-by-step explanation:

im a g yeeeeeeee

6 0

3 years ago