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AfilCa [17]
3 years ago
9

Given 1 ||

Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

I think the ans is

(3x+7) + (9x+17) = 180(it's a strait line)

3x+9x+7+17=180

12x+24=180

12x=180-24

12x=156

x=156/12

x=13

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A plain travels 3400 miles in 8 hours. How far will it travel in 6 hours at this rate
pashok25 [27]

Answer:

2550 miles in 6 hours

Step-by-step explanation:

if you divide the miles and hours by each other you will get the m/ph (miles per hour)

3400 ÷ 8 = 425

now, that we know the plane travels 435 m/ph, then if we multiply it by 6 we will get the answer

425 × 6 = 2550

4 0
3 years ago
There are 20 blueberry muffins and 15 bran muffins in a bakery.
jekas [21]
We can say that there are 20 blueberry muffins for every 15 bran muffins, according to the given information. This can be expressed as 20:15 in ratio form. We can simplify this ratio further, by dividing both sides by 5, to leave us with the simplified ratio of blueberry to bran muffins, 4:3
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zimovet [89]

Answer:

11.08 inches of precipitation expected.

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subtract 37.9 by 26.82 since you want to know how much precipitation is left.

3 0
3 years ago
What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered \"yes\"?. A. ±3.37%. B. ±5.0
azamat
\sqrt{(p*q)/n}

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answer is A.
6 0
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A recipe needs 5/4 of a cup of sugar you are going to triple the recipe how much sugar do you need?
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