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Anna11 [10]
3 years ago
14

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
6 0

Answer:

C. Add the equations

Step-by-step explanation:

Adding both the equations will help eliminating 5y.

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find the percent of decrease from 210 to 120. round to the nearest tenth if necessary. A. 75% B. 42.9% C. 0.8% D. 175%​
abruzzese [7]

Answer:

42.9%

Step-by-step explanation:

-42.857142857142854 is the exact number. Rounded to 42.9% thus b: is the correct answer.

Formula:

[(120 - 210) / 210] × 100% = -0.42857142857142855 × 100% = -42.857142857142854%

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4 years ago
How do you multiply integers
Bumek [7]
5 times 4 equals 20. that's how
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4 years ago
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For any positive numbers a, b, and d, with b 1,
Vitek1552 [10]

Answer:

D

Step-by-step explanation:

using the rule of logarithms

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then

log_{b} ( \frac{a}{d} ) = log_{b} a - log_{b} d

8 0
2 years ago
Help help <br> pls<br> pls<br> pls
Minchanka [31]
82+109=191

125-93=32

163/15=10.9

403
x 585
————
2055
3286
+2055
——————
240,415

Hope that helps!

5 0
3 years ago
Which of the following points represents the number 4-3i on the complex plane?
HACTEHA [7]

In the given point 4-3i, 4 is a real number and is positive and 3i is an imaginary number and is negative, so point T is on real number positive 4 and imaginary number -3i.

The answer would be D. T

8 0
3 years ago
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