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mylen [45]
2 years ago
13

Dr. Keller has a bookcase in her office with three shelves each shelf has the same number of books on it there are 23 books on t

he top shelf what is the total number of books on Dr. Keller’s bookcase
Mathematics
1 answer:
KiRa [710]2 years ago
7 0

Answer:

69

Step-by-step explanation:

23 on each shelf x 3 shelves = 69 books

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How many dots are there at 100 minutes?
user100 [1]

Answer:

I need more information.

Step-by-step explanation:

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2 years ago
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Theresa wants to order her mother flowers for her birthday. She wants to give the delivery person a $6.00 tip. The cost of the f
Illusion [34]

Answer:

8\%

Step-by-step explanation:

Since question already gives the number of dollars she will tip, I'm assuming it's asking for percent tipped.

Because the total is $75 and Theresa is tipping $6, she is tipping \frac{6}{75}=0.08 of the total. To convert this to a percentage, multiply by 100: 0.08\implies 0.08\cdot 100=\boxed{8\%}

7 0
3 years ago
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D divided by 4 plus 12 = 20<br> show steps<br> what is d
tester [92]

Answer:

d=32!!!

Step-by-step explanation:

So first rewrite it as an equation: d/4+12=20

d/4+12=20 then subtract 12 from both sides to balance the equation

d/4=8 so multply both sides by 4  to isolate the variable, 4(d/4)=d =d and 8x4=32, so d=32

4 0
2 years ago
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Answer each question using ratios.
Gnom [1K]

Answer:

B) 42:28

Step-by-step explanation:

First, let's get 12:18 simplified to make it easier to compare:

12:18 -> 4:6 - > <u>2:3</u>

Now let's check it against all the options:

A) 20:30 -> 2:3 and 2:3 = 2:3

Not our answer as it is congruent (equal too, the same as, etc)

B) We can see that the first number is larger than the second number, so without doing too much math we can see this is our answer!

42:28

(it simplifes to 6:4 -> 3:2)

(we do not have to do the following as we already have an answer, but here is the math)

C) 4:6

4:6 ->

2:3 = 2:3

D) 2:3

2:3 = 2:3

5 0
2 years ago
What is the area of this figure???
pshichka [43]

Answer:

24 mm squared

Step-by-step explanation:

3 x 4 x 1/2 = area of the triangle

4 x 3 = area of the rectangular top left

1 x 6 = area of the bottom rectangle

3 x 4 = 12 x 1/2 = 6

4 x 3 = 12

6 x 1 = 6

6 + 12 + 6 =24

8 0
3 years ago
Read 2 more answers
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