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liubo4ka [24]
3 years ago
6

Help anyone 8th grade math need it asap

Mathematics
2 answers:
andre [41]3 years ago
7 0
I have to have 20 characters but x is 22
krok68 [10]3 years ago
3 0

Answer:

22

Step-by-step explanation:

\frac{0.4x-2.8}{4} = 1.5\\

0.4x - 2.8 = 6

0.4x = 8.8

x = 22

\therefore the value of x is 22

Hope this helps :)

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What's the mean median and range of 5, 15, 10, 20,15 10, 15
Korvikt [17]

Answer:

Mean = 12.85714

Median = 15

Range = 15

Step-by-step explanation:

Mean:

5 + 15 + 10 + 20 + 15 + 10 + 15 = 90

90 / 7 = 12.85714

Median:

5, 10, 10, 15, 15, 15, 20

Median = 15

Range:

20 - 5 = 15

6 0
2 years ago
I need to give you my math numbers and then solve the step by step
Alchen [17]

Answer:

tell me

Step-by-step explanation:

7 0
3 years ago
Spencer wants to burn 450 calories while biking. Biking burns about 10 calories per minute. When Spencer goes biking, he usually
alexdok [17]
It's 60 minutes because 450÷10 is 45 so he has to bike for 45 minutes and a 15 minute break would make it 60 minutes
3 0
2 years ago
what is the perimeter, in centimeters, of a right triangle that has leg lengths of 8centimeters and 11 centimeters? round to the
soldi70 [24.7K]

Answer:

90

Step-by-step explanation:

8 x 11 = 88

So now you have to add 2 to get to the nearest 10. ;)

3 0
2 years ago
£54 is 10% off what is the the original price
Schach [20]

Answer:

48.6

Step-by-step explanation:

50/10=5

4/10=.4

54-5.4=48.6

6 0
2 years ago
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