3 years ago

A. Find 33 and a third % of 879

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

4 0

Answer:

Step-by-step explanation:

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Find the slope of the line passing through the points (-5, 3) and (7,9).

dybincka [34]

Answer:

$\huge\boxed{slope=\dfrac{1}{2}=0.5}$

Step-by-step explanation:

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points

$(-5;\ 3)\to x_1=-5;\ y_1=3\\(7;\ 9)\to x_2=7;\ y_2=9$

Substitute:

$m=\dfrac{9-3}{7-(-5)}=\dfrac{6}{7+5}=\dfrac{6}{12}=\dfrac{6:6}{12:6}=\dfrac{1}{2}$

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4 years ago

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John has $1400 in his savings account and withdraws 2/7 of it. How much is left in his account?

Gemiola [76]

$1400 / 7 = $200

$200 x 2 = $400

$1400 - $400 = $1000

John has $1000 left in his account.

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4 years ago

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Estimate the sum of 1/8 + 1/4

Alex17521 [72]

1/8+1/4=1/8+2/8=3/8
About 0.4 because 4•8=32~30

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3 years ago

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On 1, I need help, and for 2, is the answer right?

kramer

Answer:

1.A 2.yes

Step-by-step explanation:

PEMDAS

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3 years ago

Simplify the expression below.

mario62 [17]

3 · -8 + 5 - 4 ÷ 2

Use PEMDAS

P=parenthesis

E=exponents

M= multiplication

A= addition

S=subtraction

-24+5- 4÷ 2

-19-2

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Answer is B-21

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3 years ago

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