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3 years ago

Write each percent as a decimal 21% 0.4%

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

8 0

21% is 0.21
0.4% is 0.004

ehidna [41]3 years ago

6 0

Answer:

21% would convert to 0.21 and 0.4% would convert to 0.004

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Find the difference in simplest form. 2b/b^2-2b+1 - 2/b^2-2b+1

kolezko [41]

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2) MAKE SURE YOU HAVE A COMMON DENOMINATOR
3) combine the numerators: 2b-2/(b-1)2
4) distribute 2 from numerator: 2(b-1)/(b-1)2
5) simplify; answer is 2/(b-1)

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3 years ago

Graph a line with a slope of 3/4 that contains the point (2,-3).

arsen [322]

Answer:

Step-by-step explanation:

First, plot the point (2, -3) on the graph. Then, use the slope to pick another point. The slope is rise over run. For your slope, the line will go 3 places up and then 4 places to the right. Using a straight-edge, follow the points and you will get the graph of the line.

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3 years ago

Substitute a = 4, b = 1 and c = 5 into the expressions: a + b - c

Soloha48 [4]

Answer:

a+b-c

4+1-5

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THE ANSWER IS 0

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2 years ago

-3х + 2y = 56 -5x- 2y = 24 X= Y=

Ket [755]

Answer:

x = -10

y = 13

Step-by-step explanation:

-3x + 2y = 56

-5x - 2y = 24

__________ +

-8x____ = 80

x______= 80/-8

______x = -10

-3x + 2y = 56

-3(-10) + 2y = 56

30 + 2y = 56

2y = 56 - 30

2y = 26

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3 years ago

Please help! ( ;v;)/

OleMash [197]

Answer:

C:40

Step-by-step explanatio:

c²=h²-c²

c²=58²-42²

√c²= √3364- 1764

C=√1600

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3 years ago

Write each percent as a decimal 21% 0.4%​

Write each percent as a decimal 21% 0.4%