3 years ago

Help me please??????

Mathematics

1 answer:

ss7ja [257]3 years ago

6 0

Answer:

according to writer it answer is 2 minute

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Lesechka [4]

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4 0

3 years ago

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Kalo randomly surveyed 25 students at his school and found that 19 of them have at least one sibling. Based on these data, how m

TEA [102]

Answer:

95 students

Step-by-step explanation:

25 students -- 19 have sibling

1 student -- (19/25)

125 students -- (19/25) * 125 = 95

Therefore, 95 students out of 125 are expected to have at least one sibling.

Thenks and mark me brainliest :))

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3 years ago

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Four times a number added to 3 times a larger number is 31. Seven subtracted from the larger number is equal to twice the smalle

notka56 [123]

Answer:

Let x represent the smaller number and y represent the larger number

<u>For the first equation </u>

Four times a number added to 3 times a larger number is 31 is written as

4x + 3y = 31

Making y the subject we have

3y = - 4x + 31

Divide both sides by 3

That's

$y = - \frac{4}{3} x + \frac{31}{3}$

<u>For the second equation</u>

Seven subtracted from the larger number is equal to twice the smaller number is written as

y - 7 = 2x

Making y the subject

We have

Hope this helps you

7 0

3 years ago

Which of the following values have 2 significant figures? Check all that apply.

katen-ka-za [31]

Answer:

i would say B/90

Step-by-step explanation:

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2 years ago

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Peanuts cost $12.00 for 2.5 pounds.How much for 1 pound

solmaris [256]

Answer:

$4.80

Step-by-step explanation:

Make a proportion

$12 for 2.5 pounds, and $x for 1 pound

12/2.5=x/1

x/1 is equivalent to x

12/2.5=x

Divide

x=4.8

So, one pound of peanuts costs $4.80

6 0

3 years ago

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