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2 years ago

What's is the expression of 36÷9

Mathematics

2 answers:

Rufina [12.5K]2 years ago

6 0

Division the answer is 4

Step2247 [10]2 years ago

5 0

The answer that I have gotten was 4

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Step-by-step explanation:

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1 year ago

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H+6.9+11.4 a 4.0 b 4.5 c 5.0 d 5.5

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2 years ago

A collection of dimes and quarters has a total value of five dollars and contains 29 coins. How much of each kind of coin are th

Feliz [49]

Answer:

15 dimes and 14 quarters.

Step-by-step explanation:

Let q represent number of quarters and d represent number of dimes.

We have been given that a collection of dimes and quarters contains 29 coins. We can represent this information in an equation as:

$q+d=29...(1)$

$q=29-d...(1)$

We know each dime is worth $0.10 and each quarter is worth $0.25.

We are also told that the total value of coins is $5. We can represent this information in an equation as:

$0.25q+0.10d=5...(2)$

Upon substituting equation (1) in equation (2), we will get:

$0.25(29-d)+0.10d=5$

$7.25-0.25d+0.10d=5$

$7.25-0.15d=5$

$7.25-7.25-0.15d=5-7.25$

$-0.15d=-2.25$

$d=\frac{-2.25}{-0.15}$

$d=15$

Therefore, there are 15 dimes in the collection.

Upon substituting $d=15$ in equation (1), we will get:

$q=29-d\Rightarrow 29-15=14$

Therefore, there are 14 quarters in the collection.

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3 years ago

A new soup recipe contains 33\%33% less sodium per serving than the old soup recipe. The old soup recipe contained xx milligrams

Eddi Din [679]

Answer: x(1-0.33) or 0.67 x

Step-by-step explanation:

The old soup recipe contained sodium per serving = x mg

According to the question,

The new soup recipe contains 33% less sodium per serving than the old soup recipe.

That is, the Sodium per serving in the new soup = the Sodium per serving in the new soup - 33% of the Sodium per serving in the new soup

= x - 33% of x

= x - 0.33 x ( since 1% = 0.01 ⇒ 33 % = 0.33 )

= x(1-0.33)

= x(0.67)

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3 years ago

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