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morpeh [17]
3 years ago
14

I will mark brainliest please help me​

Mathematics
1 answer:
Lapatulllka [165]3 years ago
4 0

Answer:

Formula for mean in grouped data

= Zfx/ Zf

f = sum of the number of mice

= 35

Frequency = 39 + x

Mean = 7

Fx = 20 + 78 + 112 + 8x + 54

= 264 + 8x

7 = 264 + 8x/ 39 + x

7(39+x) = 264 + 8x

After solving you will get

x = 9

Hope this helps.

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umka21 [38]

Answer:

13

Step-by-step explanation:

HCF = Product of two numbers ÷  LCM of these numbers

HCF = \frac{169}{13}

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3 0
3 years ago
Ryleigh receives her pay monthly. Her deductions include $112 in Federal Income Tax, State Tax of 3.5% of gross, City Tax of 2.5
vodka [1.7K]

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Answer:

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Step-by-step explanation:

The total of percentage deductions is ...

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Ryleigh's monthly gross is $6,106.87.

8 0
3 years ago
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Miss Kirkland Works 40 hours on Mondays in 8 hours on Tuesdays in the school library during one week in May she worked 1/4 of he
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Answer:

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Given that :

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