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iris [78.8K]
3 years ago
5

When solving p^2 + 5 = 8p - 7. Kate wrote p^2 + 12 = 8p. The property she used was:

Mathematics
1 answer:
spayn [35]3 years ago
6 0

Answer:

4)

Step-by-step explanation:

Because they just added the same equality. And when you move the -7 over the equal sign it makes it positive so it would be p^2 + 5 + 7 = 8p and that makes it p^2 + 12 = 8p

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Find the percent of increase from 8 feet to 10 feet. Round the percent to the nearest tenth if necessary.
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20%

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Simplify. (7√2) (3√3 <br>A √14√9 <br>B. 10√5 <br>C. 21√6 <br>D. 10√6 <br>E. 63​
Hunter-Best [27]

Answer:

Step-by-step explanation:

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= 21√(2·3)

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3 years ago
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mina [271]

Answer:

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5 0
3 years ago
1.) A man invested $600 at 8% per annum for 5 years. Calculate: a.) The simple interest payable b.) The total amount of money th
Bezzdna [24]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Using formula:

\text{Simple Interest} = \frac{P \times R \times T}{100} \\\\\text{ Total amount} = \text{principle}+  \text{Simple Interest}

In question (1):

Principle= \$ 600\\Rate = \ 8 \%\\Time= \ 5

In point a:

\to \frac{P \times R \times T}{100} \\\\\to \frac{(600 \times  8 \times 5)}{100}\\\\ \to  240

In point b:

\to amount = principle \ +\ simple \ interest

                 = 600 + 240 \\\\= 840

In question (2):

Principle= \$ 12,450\\Rate = \ 7.25 \%\\Time= \ 6

In point a:

\to \frac{P \times R \times T}{100} \\\\\to \frac{(12,450 \times  7.25 \times 6)}{100}\\\\ \to  5,415.75

In point b:

\to amount = principle \ +\ simple \ interest

                 = 12,450 + 5,415.75 \\\\= 17,865.75

The 3 question is incomplete, that's why it can't be solved.

7 0
3 years ago
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