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german
3 years ago
11

Please help me 7.2 × 2.1

Mathematics
2 answers:
lbvjy [14]3 years ago
6 0

Answer:

15.12

Step-by-step explanation:

Varvara68 [4.7K]3 years ago
5 0

Answer:

15.12

Step-by-step explanation:

That's the a water to ur question.

hope it helps.

Have a good day and stay safe!

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I need help trying to figure this out I think I have and answer but I want to make sure.
yKpoI14uk [10]

Answer:

34

Step-by-step explanation:

The mean is calculated as

mean = \frac{frequency(midpoint)}{frequency}

let x be the missing frequency, then

Total frequency × midpoint

= (16 × 2) + 7x + (20 × 12) + (10 × 17) = 32 + 7x + 240 + 170 = 442 + 7x

Total frequency = 16 + x + 20 + 10 = 46 + x, thus

\frac{242+7x}{46+x} = 8.5 ( cross- multiply )

442 + 7x = 8.5(46 + x)

442 + 7x = 391 + 8.5x ( subtract 8.5x from both sides )

442 - 1.5x = 391 ( subtract 442 from both sides )

- 1.5x = - 51 ( divide both sides by - 1.5 )

x = 34

The missing frequency is 34

3 0
3 years ago
I need help with b and c please and thank you!!
Vlada [557]

Answer:

rjdjdj shiejd shsuisis shusisos

3 0
2 years ago
Help me please ......
Alja [10]

2\frac{3}{4}*2=\frac{2*4+3}{4}*2=\frac{11}{4}*2=\frac{22}{4}= 5\frac{2}{4}=5\frac{1}{2}

7 0
3 years ago
Henrietta is mixing paint for an art project. She uses 2 cups of red paint for every 3 cups of yellow paint for each batch. If s
bezimeni [28]
2/3=6/x
2x=6*3
2x=18
x=18/2
x=9
5 0
2 years ago
Giving brainly if you do all :) very easy​
NeX [460]

Answer:

Step-by-step explanation:

<u><em>h. -1</em></u>

<u><em>i. 5</em></u>

<u><em>j. 11</em></u>

<u><em>k. -3</em></u>

<u><em>l. 1</em></u>

<u><em></em></u>

<u><em>Hope it helps.</em></u>

8 0
1 year ago
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