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Yuri [45]
3 years ago
13

le="8 \div (7 - 9) \times (4 + ( - 4))" alt="8 \div (7 - 9) \times (4 + ( - 4))" align="absmiddle" class="latex-formula">
I got the answer -4, but when I typed it in the calculator to check, it said 0. Can anyone help me?
Mathematics
1 answer:
anygoal [31]3 years ago
6 0

8 ÷ (7 - 9) * ( 4 + (-4) ) <--- notice that bolded part.

4 + (-4) = 4 - 4 = 0.

after that, you're pretty much dividing and multiplying by 0, so

whatever ÷ whatever * whatever * 0 = 0.

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You travel 8 miles on your bicycle in the same amount of time it takes your friend to travel 6 miles on
strojnjashka [21]

Answer:

Step-by-step explanation:

8/v=6/v-3

8*(v-3)=6v

8v-8*3=6v

8v-24=6v

+24     +24

8v=6v+24

-6v      -6v

2v=24

v=24/2

v=12  miles /hour

v2=12-3=9 miles /hour ( your friend)

6 0
3 years ago
A credit card company charges 22% interest fee on any charges not paid at the end of the month.. If the bill totals $450 for thi
kifflom [539]
I think the answer is 450x .22= 99$
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3 years ago
Find f(4).<br> f(x) = x2 + 2x - 3<br> A)<br> 5<br> B)<br> 11<br> 13<br> D)<br> 21<br> Elimina
grandymaker [24]

Answer:D

Step-by-step explanation:

you plug 4 in for x

f(4)=4^2+2(4)-3

=16+8-3

=24-3

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3 0
2 years ago
Bernardo is converting a fraction, StartFraction a Over b EndFraction, to a percent. Both a and b are whole numbers and not equa
anyanavicka [17]

Answer:

Percent = \frac{100a}{b}\%

Step-by-step explanation:

Given

\frac{a}{b}

Required

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To do this, we simply multiply the fraction by 100%

This gives:

Percent = \frac{a}{b} * 100\%

Percent = \frac{a * 100}{b}\%

Percent = \frac{100a}{b}\%

The expression cannot be further simplified.

Take for instance the fraction is: \frac{2}{5}

Using the same analysis, the percentage would be:

Percent = \frac{2}{5} * 100\%

Percent = \frac{2 * 100}{5}\%

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5 0
2 years ago
Read 2 more answers
Somebody who remembers this plz answer ALL the questions correctly!
professor190 [17]

Answer:

Step-by-step explanation:

22: 7/5

23: 15/4

24: 21/8

25: 9/2

26: 16/3

27: 13/7

28: 25/4

29: 32/9

30: 32/3

5 0
3 years ago
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