3 years ago

The picture is the question

Mathematics

1 answer:

erastova [34]3 years ago

3 0

what do u mean

how can u solve a question with no question that makes no sense

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Ratio 400g : 1kg can be written in the form 1 : n find the value of n?

zvonat [6]

400 : 1kg
400 : 1000
1 : 2.5

n = 2.5

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3 years ago

What is 6/7 +8/36+9/45 equal?

valkas [14]

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3 years ago

The sale price of every item in a store is 85% of its usual price.

Vladimir [108]

Answer

a. The backpack is $4.50

b. The sweatshirt is $2.70

Step-by-step explanation:

a. 30 x 0.15 = 4.50 (The 0.15 is from the price you are actually paying for the item. Because the item is 85% off, you are paying for 15% of the usual price. 15% as a decimal is 0.15 so you multiply that to the original price to find the amount u will pay.)

b. 18 x 0.15 = 2.70

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3 years ago

Anita sees in her nutrition book that a 7.5-ounce piece of cake has 900 calories. how many calories will she save if she takes o

Marianna [84]

$\bf \begin{array}{ccll}
\stackrel{cake}{oz}&calories\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
7.5&900\\
2.5&x
\end{array}\implies \cfrac{7.5}{2.5}=\cfrac{900}{x}\implies x=\cfrac{2.5\cdot 900}{7.5}$

so, the 2.5oz cake will be "x" calories, pheeew, she'll be taking in 900 - x less calories.

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3 years ago

4 , 15 , 30 , 49 , 72 , 99 , 130 what is the nth term would really appreciate help

yuradex [85]

Answer:

30 i think

Step-by-step explanation:

7 0

3 years ago

The picture is the question​

The picture is the question