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3 years ago

15

Write a word problem for an expression that is three times as great as (15+7). Then write the expression.

2 answers:

Setler79 [48]3 years ago

6 0

Answer:

the expression is 3(15+7). An word problem could be there are 15 apples and 7 bananas. Someone needs to buy 3 times the amount of those. This is represented by that expression.

Step-by-step explanation:

aksik [14]3 years ago

4 0

Three siblings, caroline, jake, and helen all have 15 dollars from doing their chores. their parents gave them an additional 7 dollars for their good grades that week. how much money do they have all together.

3(15+7)=66

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What is the area of a circle with a diameter of 24 meters (use 3.14 for Pi)?

Zarrin [17]

The area of a circle is represented by the equation:

$A=\pi r^{2}$

We know that the diameter is two times the radius: $d=2r$

So if we know that the diameter of the circle is 24m, we can divide this by two in order to get the radius:

$24m=2r$ --> $r=12m$

So then we can plug this radius in to the equation for the area of a circle:

$A=\pi (12)^{2}$

$A=144\pi$

We are told to use 3.14 as pi, and not pi itself, so let's plug in 3.14 for pi:

$A=3.14(144)$

$A=452.16m^{2}$

Now we know that the area of this circle is 452.16 square meters.

5 0

3 years ago

An electrician charges $45 per hour plus a fixed charge of $30

babymother [125]

45x+30= price for electrician when x= hours

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3 years ago

You are saving to buy a new phone you have $150 in your bank account and can save $55 each week assuming you don’t spend any mon

FromTheMoon [43]

Answer:

150+55w

Step-by-step explanation:

150+55w

150 never changes

(55)(w), 55 changes depending on number of weeks

8 0

3 years ago

Read 2 more answers

How do u solve P=IRT solve for t

Roman55 [17]

You said that P = I · R · T

Divide each side by I · R : P / (I·R) = T

3 0

4 years ago

What is the sum of 9+10 (;

garri49 [273]

Answer:

19 or 21.

Step-by-step explanation:

I swear.

5 + 5 = 10

10 + 5 = 15

15 + 4 = 19

________________

9 + 9 = 18

18 + 10 = 28

28 - 5 = 23

There are two nines so

23 - 2 = 21

6 0

3 years ago