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sladkih [1.3K]
3 years ago
13

Help me PLSSS THE EQUATION TOO

Mathematics
1 answer:
Verizon [17]3 years ago
4 0

Answer: 270

Step-by-step explanation: 20% of 225 = 45

225 + 45 - 270 therefore Toby's bookstore sold 270 books in Feburary.

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PLEASE HELP ME!!!!!!!!!!!!!!!
Pachacha [2.7K]

Answer:

15 degrees

Step-by-step explanation:

angle a= (180-90)/2=90/2=45 degrees

angle QRP = 60

Angle b = 60-45=15 degrees

8 0
3 years ago
Name two decimals that are equivalent to 7.75
Tatiana [17]
7.750 and 7.7500 are 2 equivalent fractions.

4 0
3 years ago
Which equation can be used to calculate the area of the shaded triangle in the figure below?
GrogVix [38]

Answer:

It is \frac{1}{2} (12 × 4) = 24

Step-by-step explanation:

\frac{1}{2} (base × height) = area of triangle

\frac{1}{2} (12 × 4) = area

area = 24

3 0
2 years ago
The senior class had a car wash to raise money for the senior trip. It cost them $35 for supplies. They washed 75 cars and charg
nikitadnepr [17]

Answer:

C. 75 • $6 - $35

Step-by-step explanation:

First, 75 times 6 needs to be in the expression to represent how much they raised from washing the 75 cars.

Then, 35 has to be subtracted because that was the cost of the supplies:

So, C is correct, 75 • $6 - $35

5 0
3 years ago
Read 2 more answers
A lake initially contains 3000 fish. Suppose that in the absence of predators or other causes of removal, the fish population in
katrin [286]

Let x = number of months.

Let y = total number of fish in pond.

6% of 3,000 = 180 fish

We can use an equation to help us with this problem.

y = 3,000 + 180x - 400x. Combine like terms.

y = 3,000 - 220x. Plug 9 in for x.

y = 3,000 - 220(9). Solve for y

y = 1,020.

There are 1,020 fish in the pond after 9 months.

7 0
3 years ago
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