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3 years ago

Please help me!!! ASAPP

Mathematics

1 answer:

larisa86 [58]3 years ago

5 0

Answer:

x=2 y=8 ---> (2;8)

Step-by-step explanation:

2x+5y=44

6x-4=y

2x+5(6x-4)=44

2x+30x-20=44

32x=64

x=2

6x-4=y

6*2-4=y

12-4=y

y=8

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3. The function is translated 5 units upwards.

So, we get, $y=5^{-x}$ becomes $y=5^{-x}+5$

4. The function is translated 5 units downwards.

So, we get, $y=5^{-x}$ becomes $y=5^{-x}-5$

5. The function is reflected across x-axis.

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Option B is correct = $0.3 \times 81$

Step-by-step explanation:

The complete question is: Which of the following options have the same value as 30% of 81?

Group of choices is:

(A) $\frac{30}{100}\times 81 \times 100$

(B) $0.3 \times 81$

(D) $\frac{3}{10}\times 81 \times 10$

(E) $30 \times 81$

Now, the expression given to us is 30% of 81.

Simplifying the above expression we get;

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Now, we will solve each of the given options and then see which option matches with our calculation.

Option (A) is given;

$\frac{30}{100}\times 81 \times 100$ = $30 \times 81$

This doesn't match with our answer, so this option is not correct.

Option (B) is given;

$0.3 \times 81$

This matches with our answer, so this option is correct.

Option (C) is given;

$0.03 \times 81$

This doesn't match with our answer, so this option is not correct.

Option (D) is given;

$\frac{3}{10}\times 81 \times 10$ = $3 \times 81$

This doesn't match with our answer, so this option is not correct.

Option (E) is given;

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This doesn't match with our answer, so this option is not correct.

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