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3 years ago

PLSSS NEED HELP ASAP!

Mathematics

2 answers:

Alenkasestr [34]3 years ago

5 0

The answer is A= 1 over 2

Alex73 [517]3 years ago

3 0

The answer is A) 1 over 2, because you take the original point such as A and go either up or down, and left or right to get to A prime

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Evaluate m3 + n3 for m = 3, n = 2. O A. 8 O B. 27 O C. 35 O D. 15

TEA [102]

It’s D(15)
(3)*3+(2)*3
9+6=15

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2 years ago

Help me plzzzz, trigonometry!! I'll give brainliest!!!

Naddika [18.5K]

Answer:

Step-by-step explanation:

tan47=x/18

x=18tan47

cosCDB=7/x

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3 years ago

If a = 12 and 120% of a is equal to 80\% of bthen what is a + b ?

Novosadov [1.4K]

Answer:

The answer is 30

Step-by-step explanation:

First you have to find 120% of a (12).

$\frac{12}{1} \times \frac{120}{100} = 14.4$

Therefore; 14.4 is 80% of b, and we are trying to find 100% of b

$14.4 = 80\% \\ x = 100\%$

we do not know what is 100% therefore we call it *x*. In order to find this unknown value *x* we cross multiply.

$14.4 \times 100\% = 80\% \times x$

This is the same as saying;

$14.4 \times 1 = x \times \frac{4}{5}$

100% percent would be 1 because it is the whole number we are trying to find. The 80% would be 4/5. To get 4/5 you can simply break down 80/100 ( this is 80% as a fraction).

so the new equation is: 14.4= 4/5x

We divide both sides by 4/5. Then we will get x tobe equal to 18. Therefore b is 18. We were asked to find (a + b) so. 18+12 = 30

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1 year ago

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ipn [44]

Answer:

Step-by-step explanation:

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3 years ago