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USPshnik [31]
3 years ago
10

Felicia wanted to find the number of boys in the school band if 30% of the 50 students are boys. Is her answer correct? Explain

why or why not.
Mathematics
2 answers:
xenn [34]3 years ago
6 0

<em>Sample:</em>

<em>No, Felicia’s answer is not correct. She should have divided by 2, not multiplied. 30 divided by 2 is 15. So 15 of the 50 students in the band are boys.</em>

docker41 [41]3 years ago
4 0

Answer:

Creo que con 15

Step-by-step explanation:

50 -------> 100%

X ---------> 30%

X = (50*30)/100

X= 15 boys

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tino4ka555 [31]

Answer:

-32

Step-by-step explanation:

Simply input the x and y values.

New equation:

| 147-(-9) | /(-4) +7

Step one:

<em>147-(-9)   = 156</em>

<em>Step two:</em>

|156|/-4    =-39

Step three:

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If you evaluate the expression it comes out to -32

6 0
3 years ago
You are downloading a song. The percent y (in decimal form) of megabytes remaining to download after x seconds is y = -0.1x + 1.
frozen [14]
A is the right answer
4 0
3 years ago
What is 3 2/7 x 2 4/5 (Answer with a mixed number in simplest form) Thankyou!!
SCORPION-xisa [38]

Answer:

9 1/5

Step-by-step explanation:

3 2/7 * 2 4/5

Change to improper fractions

( 7*3+2)/7  * ( 5*2+4)/5

23/7 * 14/5

Rewriting

14/7 * 23/5

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Changing back to a mixed number

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7 0
3 years ago
Read 2 more answers
3(x² + 3x - 10)<br> Simply the expression
miv72 [106K]

Answer:

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Step-by-step explanation:

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3x^{2}+9x-30

5 0
4 years ago
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Find the length of the third side if necessary round to the nearest tenth
Fantom [35]

Answer:

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Step-by-step explanation:

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Base on the pythagorean theorem, we have :
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So, x equals 8.

Hope it helps

8 0
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