2 years ago

Please please help me please:(

Mathematics

1 answer:

astraxan [27]2 years ago

3 0

Answer:

ihnidea

Step-by-step explanation:

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Which of the following expressions are equivalent to \left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}(9 87 +2 54 )− 21

lora16 [44]

Answer:

$12\dfrac{7}{40}$

Step-by-step explanation:

The given expression is

$\left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}$

We need to find the simplified form of the given expression.

It can be rewritten as

$\left(9+\dfrac{7}{8} + 2+\dfrac{4}{5}\right)-\dfrac{1}{2}$

Combine integers and fractions separately.

$(9+2)+(\dfrac{7}{8}+\dfrac{4}{5}-\dfrac{1}{2})$

Taking LCM we get

$11+\dfrac{35+32-20}{40}$

$11+\dfrac{47}{40}$

In can be written as

$11+\dfrac{40+7}{40}$

$11+1+\dfrac{7}{40}$

$12+\dfrac{7}{40}$

$12\dfrac{7}{40}$

Therefore, the expression $12\dfrac{7}{40}$ is equivalent to the given expression.

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3 years ago

Estimate 73% of 120 Thanks if you help!

xxMikexx [17]

Answer:

73/100 (120)

answer:-87.6

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3 years ago

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A scale factor of 2 is used to enlarge a figure as shown below. A rectangle with an area of 18 inches squared. How many square i

qwelly [4]

Answer:

Step-by-step explanation: All you have to do is multipy the area of the original figure by the scale factor. (18 times 2) which is 36.

You're welcome <3

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3 years ago

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Find the slope for the following line: y=3/4x-7

Kitty [74]

The slope would be 3/4!

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D. Question 2 - 3x + 7 (-6 - 50) c=7 x = -9

Reil [10]

Answer:

-365

Step-by-step explanation:

-3x+7(-6-50)

-3(-9)+7(-6-50)
27+7(-6-50)
27-42-350
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=-365

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3 years ago