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solniwko [45]
3 years ago
7

7.4.5 practice problems math 7th grade

Mathematics
1 answer:
Vikki [24]3 years ago
3 0
Did you post what you need help on? I can’t see it
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Write an equivalent expression for 4(x + 7) – 9
Igoryamba

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<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

4 0
4 years ago
What is the range for the scores: 13, 23, 60, 46, 53, 75.
vova2212 [387]
Hello there.

Question: <span>What is the range for the scores: 13, 23, 60, 46, 53, 75.

Answer: Range is the largest value minus the smallest answer:
75 - 13 = 62.
The range is 62.

Hope This Helps You!
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6 0
3 years ago
42 is 30% of what number
max2010maxim [7]
30%
percent means parts out of 100 so 30%=30/100=3/10

42 is 3/10 of x
'of' can be translated to multiply
42=3/10 times x
multiply both sides by 10/3 to get rid of fraction
420/3=x
140=x

the number is 140
6 0
3 years ago
Read 2 more answers
Marcus can walk 1 mile to the library in the same time he can bicycle 2.5 miles to the sporting goods store. His speed on the bi
Maksim231197 [3]
Let
x------> <span>speed on the bicycle
y------> </span><span>speed walking

we know that
</span>x=6+y------> equation 1<span>
speed=distance /time-------> time=distance/speed
1/y=2.5/x-------> y=x/2.5------> x=2.5y-------> equation 2

equals 1 and 2
6+y=2.5y-----> 2.5y-y=6------> 1.5y=6-----> y=6/1.5-----> y=4 mi/h
x=6+y-----> x=6+4-----> x=10 mi/h

the answer is
the speed walking is 4 mi/h

</span><span>
</span>
6 0
3 years ago
The basketball team wants to score 48 points per game this season. They will play a total of 8 games. The team want to score ___
Eva8 [605]

Answer:

384 points

Step-by-step explanation:

48x8 = 320+64 = 384

5 0
3 years ago
Read 2 more answers
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