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artcher [175]
3 years ago
11

Divide. (16x^3 – 45x + 30) ÷ (4x – 5)

Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

4x^2+5x-5+ 5/4x-5

last part a fraction

Step-by-step explanation:

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Each of the students at piano recital takes about 8 3/4 minutes to introduce themselves and play 3 songs. There are 9 students p
Tomtit [17]

For this case we have that each student takes 8 \ frac {3} {4} minutes to perform and play 3 songs. Then, we convert the mixed number to a fraction:

8 \frac {3} {4} = \frac {4 * 8 + 3} {4} = \frac {32 + 3} {4} = \frac {35} {4}

Thus, each student takes\frac {35} {4} minutes.

If there are 9 students in the recital then we have:

9 * \frac {35} {4} = \frac {315} {4} = 78.75 minutes.

Thus, the recital lasts at least 78.75 minutes.

Answer:

The recital lasts at least 78.75 minutes.

5 0
4 years ago
A boy spent 20% of his money on books and 20% of the remainder on food.If he had $2000 left, how much money did he have at first
DENIUS [597]

Answer:

\$3,125

Step-by-step explanation:

Let s represent the amount of money he initially started with.

After he spent 20% on books, he will have 100\%-20\%=80\% of his initial money left. We can represent this as 0.8s.

Following that, the boy spends 20% of the remainder of his money on food. Similarly, he will have 100\%-20\%=80\% of the remainder of money he had left after he purchased the books. Therefore, he ends up with 0.8(0.8s)=0.64s of his money left.

Since we're given that he had $2,000 after all these transactions, we have the following equation:

0.64s=\$2,000

Divide both sides by 0.64 to isolate and solve for s:

s=\frac{2,000}{0.64}=\boxed{\$3,125}

Therefore, the boy had $3,125 to begin with.

7 0
3 years ago
Read 2 more answers
Lol I need the answer please
liberstina [14]

Answer: The last one

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3 years ago
What is the probability the computer will select the point in the shaded region ?
pashok25 [27]

Answer:

1/2 is the answer.................

8 0
3 years ago
Choose a number between 49 and 95 that is a multiple of 4, 7, and 14
MrMuchimi

56. 4 goes in 14 times. 14 goes in 4 times. 7 goes in 8 times.

5 0
3 years ago
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