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aleksley [76]
3 years ago
11

1) Mr. Rios bought a house in 1960 for $20,000. The value of the house increased by

Mathematics
1 answer:
lana [24]3 years ago
8 0

Answer:

A = 20,000(1.05)^x

Step-by-step explanation:

To get the approximate value of the house after x years, we will use the compound interest formula

A  = P(1+r)^n

P is the principal = $20,000 (cost of house)

r is the rate = 5% = 0.05

x is the time

Substitute into the expressio

A = 20,000(1+0.05)^x

A = 20,000(1.05)^x

Hence the required expression is A = 20,000(1.05)^x

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For one English test, sandy had to answer 15 questions. Of these questions, she answered 80 percent of them correctly. How many
Rudik [331]

Answer:

12

Step-by-step explanation:

15×0.8= 12

you're multiplying the total number of questions with the score as a decimal

6 0
3 years ago
3(x + 1) + 12<br> 3 I DONT KNOW​
IgorC [24]

Answer:

3x+15

Step-by-step explanation:

3(x+1)+12=3x+15

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8 0
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There were 700 people in the auditorium. 60% of them were adults and the rest were children. how many adults were in the auditor
ollegr [7]

.60 \times 700 = 420 \\ 700 - 420 = 280
First I found the number of adults by multiplying .60 by 700. It was 420. From there all I had to do was subtract it from 700. Revealing the number of children to be 280.
5 0
3 years ago
Linda wants to determine the average salary for her employees for her Bakery business. Recorded below are the salaries for each
taurus [48]

The mean salary for Linda's employees is in thousands, is: 34,800.

<h3>What is the Mean of a Data Set?</h3>
  • Mean of a data set is the average of the data set.
  • To calculated the mean of a data set, use the formula: Mean = (∑fx)/∑f).

Thus:

∑fx = 974

∑f = 28

Therefore:

Mean = 974/28

Mean = 34.8

In thousands, the mean salary for Linda's employees is 34,800.

Learn more about mean of a data set on:

brainly.com/question/11015069

7 0
3 years ago
How to factorise 4b squared + 19b
sweet-ann [11.9K]
I hope this helps you



b (4b+19)
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3 years ago
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