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Nikitich [7]
3 years ago
10

(b+3)1/2+b1/2=3 A. b=0 and b= 2/3 B. b=1/4 and b=2 C. b=1 D. b=3

Mathematics
1 answer:
yan [13]3 years ago
4 0
The answer is C Kay. Got it?
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Help me please solve the circled question show your work
Rasek [7]

<u>Part 1)</u> Use the fact that there are 12 inches in a foot

a) How many inches tall is a 7 foot basketball player?

we know that

1 foot=12 inches

so by proportion

\frac{12}{1} \frac{inches}{foot} =\frac{x}{7} \frac{inches}{feet} \\ \\x=12*7\\ \\x=84\ inches

therefore

<u>the answer Part 1a) is</u>

84\ inches

Part b) If a yard is a 3 feet long, how many inches are in a yard?

we know that

1 yard=3 feet

1 foot=12 inches

so

Convert 3 feet to inches

by proportion

\frac{12}{1} \frac{inches}{foot} =\frac{x}{3} \frac{inches}{feet} \\ \\x=12*3\\ \\x=36\ inches    

therefore

<u>the answer Part 1b) is</u>

36\ inches

<u>Part 2) </u>At the farmer's market two pounds of peaches cost $4.20 How much will five pounds cost?

by proportion

\frac{4.20}{2} \frac{\$}{pounds} =\frac{x}{5} \frac{\$}{pounds} \\ \\2*x=4.2*5\\ \\x=4.2*5/2=\$10.5    

therefore

<u>the answer Part 2) is</u>

\$10.5

<u>Part 3) </u>Janice mother gave her a ten dollars bill to buy five pounds each of bananas and apples at the grocery store. When she got there she found that bananas were 80 c per pound and apples were $1.40 per pound.

Did Janice's mother give her enough money? If so, should she receive any change? If not, how much more money does she need?

 we know that

<u>Find the cost of the bananas</u>

5\ pounds*0.80\frac{\$}{pounds}=\$4

<u>Find the cost of the apples</u>

5\ pounds*1.40\frac{\$}{pounds}=\$7

Sum the cost of the bananas and the cost of the apples

\$4+\$7=\$11

\$11 > \$10------> Janice's mother didn't give her enough money

She needs more money

She needs-------> \$11-\$10=\$1

therefore

<u>the answer part 3) is</u>

She needs  \$1 more


3 0
3 years ago
Which division expression means that the temperature is falling at a rate of 3 degrees every 4 hours?
stira [4]
The answer would be a -3/4 I’m almost positive
5 0
3 years ago
Read 2 more answers
Luis took out a 3 year loan for $4500 at a furniture store to be paid back
SVETLANKA909090 [29]

Answer:

$1252.13

Step-by-step explanation:

15.9% = .159

$4500 multiplied by .159 = $715.50

3 yrs = 36 months

36 months - 15 months = 21 months

21 months = 1.75 yrs.

$715.50 multiplied by 1.75 = $1252.13

7 0
3 years ago
Read 2 more answers
Please help me I will give a brainly
bearhunter [10]
I believe the answer is “one solution”. I hope this helps :)
8 0
2 years ago
If a = -9 and b = 4, what is the value of a + b ?<br> A. -5<br> B. 5 <br> C. -13 <br> D. 13
madreJ [45]

Answer:

A. -5

Step-by-step explanation:

-9 + 4 = -5

hope this helps

7 0
3 years ago
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