3 years ago

I need help with this...I'm so confused on #10. Can someone help me please???

Mathematics

1 answer:

HACTEHA [7]3 years ago

5 0

Answer:

download a calculator

Step-by-step explanation:

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Barry Allen's older brother is only 3 years more than triple Barry's age. If the sum of their ages is 28, find their ages

Sloan [31]

B and a
barry=b
a=older bro

a is 3 more than 3b
a=3+3b
sum is 28
a+b=28
3+3b+b=28
3+4b=28
minus 3 both sides
4b=25
divide both sides by 4
b=6.25

a=3+3b
a=3+3(6.25)
a=3+18.75
a=21.75

barry=6.25 years
21.75 years=older bro

3 0

3 years ago

Read 2 more answers

Whats the answer to 1/5 ×25=

kiruha [24]

Answer:

Step-by-step explanation:

$\frac{1}{5}*25$

=> $\frac{1}{1}*5$ ; [∵ 25÷5=5]

=>1*5

=>5

7 0

3 years ago

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(5 ^ 11)/(5 ^ ?) = 5 ^ 4

katrin2010 [14]

Answer:

200

Step-by-step explanation:

55 / 5x = 20

5x=1100

x=200

6 0

3 years ago

The issue of corporate tax reform has been cause for much debate in the United States. Among those in the legislature, 26% are R

Stells [14]

Answer:

<h2>Check the explanation.</h2>

Step-by-step explanation:

Let, the total population is 1000.

The number of republicans are 26% that is 260, Democrats are 63% that is 630 and Independents are 11% of 1000, that is 110.

20% of 260 = $\frac{20\times260}{100} = 52$ Republicans favor some type of corporate tax reform.

51% of 630 = $\frac{51\times630}{100} = 321.3$ .

29% of 110 = $\frac{29\times110}{100} = 31.9$ .

Total number of people, who favor some type of corporate tax is (52 + 321.3 + 31.9) = 404.2 ≅404.

The required probability is $\frac{321}{404}$ .

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4 years ago

How would I find the area given these 4 points? Is there a formula that I just don't know

Dmitrij [34]

Answer: No

Step-by-step explanation:

I can’t think of one but if you have a pegboard there is a formula called Pick’s Formula

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4 years ago