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Yanka [14]
3 years ago
8

Which equation can be used to find 40 percent of 25? StartFraction 25 divided by 1 Over 40 divided by 1 EndFraction = StartFract

ion 25 Over 40 EndFraction StartFraction 100 times 4 Over 40 times 4 EndFraction = StartFraction 400 Over 16 EndFraction StartFraction 40 times 4 Over 25 times 4 EndFraction = StartFraction 160 Over 100 EndFraction StartFraction 40 divided by 4 Over 100 divided by 4 EndFraction = StartFraction 10 Over 25 EndFraction
Mathematics
2 answers:
vagabundo [1.1K]3 years ago
5 0

Answer:

Well my main question was: At Park Junior High, 10%, or 160, of the students, play a musical instrument. How many students attend the school?

A tape diagram. StartFraction part Over whole EndFraction = StartFraction 10 Over 100 EndFraction = StartFraction 160 Over question mark EndFraction

Which statements are correct? Check all that apply.

The total number of students is < 160.

The total number of students is > 160.

The percent as a part-to-whole ratio is StartFraction 10 Over 100 EndFraction.

The percent as a part-to-whole ratio is StartFraction 160 Over 100 EndFraction

There are 1,600 students in the school.

There are 250 students in the school.

Step-by-step explanation:

The answers that I got that were correct are: B, C, and E

avanturin [10]3 years ago
3 0

the answer for this problem is 10 when you try to Find the percentage of one number in relation to another with the formula Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.

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By 8:00 a.M,, the snack bar had made 3,256 in sales. By noon the snack bar total sales were 8,821 About how much money did snack
marissa [1.9K]
5,565, if you subtract the 2 numbers
6 0
3 years ago
Fourteen out of 20 teens said they eat breakfast every morning what is a reasonable prediction for the number of teens out of 12
Oksi-84 [34.3K]

Answer:

896

Step-by-step explanation:

14 of 20 teens eats breakfast every morning.

The percentage of those who eat breakfast every morning

= 14/20 x 100%

= 0.7 x 100%

= 70%

So, 70% of 20 teens eat breakfast every morning.

The reasonable prediction for the number of teens that eats breakfast every morning from 1280 teens will be 70% of 1280.

70/100 x 1280

0.7 x 1280

896

The prediction would be 896 out of 1280 teens eats breakfast every morning

8 0
3 years ago
What is the answer to this problem?
Sedaia [141]

Answer:

x = 4.

Step-by-step explanation:

These are exterior  alternate angles which are congruent.

So 21x + 6 = 90

21x = 84

x = 4.

8 0
2 years ago
Rueben has scored 81 , 89 , 90 , 83 , and 77 on his previous five tests. what score does he need on his next test so that his av
lawyer [7]
Let x = the next score

If    (81 + 89 + 90 + 83 + 77 + x)  ÷  6 = 82

  ⇒  420 + x = (82 × 6)

  ⇒  x = 492 - 420
     
       x = 72

Thus to get an 82 average he need to get 72 on his next test.
7 0
3 years ago
How do I solve f+4/g=6 for f showing my work
V125BC [204]

We have two solutions for this problem based on the given equation.


<u><em>Answer #1:</em></u>

<u>If the given equation was:</u>

f + \frac{4}{g} = 6


To solve for f, we would need to isolate the "f" on one side of the equation.

In case of the above equation, we can simply do that by subtracting \frac{4}{g} from both sides of the equation

<u>This would give:</u>

f + \frac{4}{g} - \frac{4}{g} = 6 - \frac{4}{g}

f = 6 - \frac{4}{g}


<u><em>Answer #2:</em></u>

<u>If the given equation was:</u>

\frac{f+4}{g} = 6


To solve for f, we would still need to isolate the "f" on one side of the equation.

<u>This can be done as follows:</u>

\frac{f+4}{g} = 6 ................> multiply both sides by (g)

f + 4 = 6g ................> subtract 4 from both sides of the equation

f + 4 - 4 = 6g - 4

f = 6g - 4


Hope this helps :)

6 0
3 years ago
Read 2 more answers
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