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2 years ago

13

James bakes 12 cookies in 15 minutes. How many cookies will he bake in 60 minutes?

2 answers:

finlep [7]2 years ago

8 0

Answer:

48 :D

Step-by-step explanation:

vlabodo [156]2 years ago

6 0

Answer: James will bake 48 cookies.

Step-by-step explanation:

We know that James can bake 12 cookies in 15 minutes. So, we can multiply both amounts ( the amount of cookies and the minutes it takes) to solve this question. First, ask " How many 15 minutes are in 60 minutes?" Or, 15 multiplied by what makes 60? The answer to this is 4. 15 minutes x 4= 60 minutes. Now, all we have to do is multiply the other side by the same amount. 12 cookies x 4 =48 cookies. So, he bakes 48 cookies.

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2 years ago

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Step-by-step explanation:

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3 years ago

What properties can be used to solve 7y-15=-29. Identity property of multiplication,addition property of equality ,distributive

Sveta_85 [38]

Answer:

Addition Property of Equality.

Inverse property of multiplication.

Step-by-step explanation:

Given the equation:

$7y-15=-29$

First of all, let us use Addition Property of Equality.

According to the property, if we add a number on both sides of an equality, there is no change in the equality.

In other words, the equality will be same if we add the same number on Left Hand Side and Right Hand Side of the equality.

First of all, let us add 15 on both sides of the equality:

$7y-15+15=-29+15\\\Rightarrow 7y=-14$

Now, let us Inverse property of multiplication.

i.e. Multiplication of a number with its inverse is equal to 1.

$a\times \frac{1}{a} = 1$

So, let us multiply the given equation with $\frac{1}7$

$7y \times \dfrac{1}{7}=-14 \times \dfrac{1}{7}\\\Rightarrow 1y =-2\\\Rightarrow y=-2$

The properties used are:

Addition Property of Equality.

Inverse property of multiplication.

7 0

3 years ago

What is the area of a trapezoid with bases of 15.8 yd and 21.8 yd and a height of 11.7 yd?

DedPeter [7]

Add the bases together, divide that by 2 then multiply by the height.

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37.6/2 = 18.8

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3 years ago

Read 2 more answers

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Alecsey [184]

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3 years ago