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vaieri [72.5K]
3 years ago
11

What is the value of x in the equation 0.7x-1.4=-3.5

Mathematics
2 answers:
dedylja [7]3 years ago
6 0

Answer:

x = -3

Step-by-step explanation:

Combine multiplied terms into a single fraction

7x/10 - 1.4 = - 3.5

Add 1.4 to both sides of the equation

7x/10 - 1.4 + 1.4 = - 3.5 + 1.4

Simplify

7x/10 = - 3.5 + 1.4

7x/10 = - 2.1

Multiply all terms by the same value to eliminate fraction denominators.

10 × 7x/10 = 10(- 2.1)

Simplify

7x= 10(- 2.1)

7x = -21

-21 ÷ 7 = -3

x = -3

frez [133]3 years ago
5 0

Answer:

x = -3

Step-by-step explanation:

I searched it up 0w0

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Four photographers are taking pictures at a school dance. Photographer A takes 25 of the pictures, Photographer B takes 4%, Phot
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Answer:

1) Photographer B (4%)

2) Photographer D (27%)

3) Photographer C (29%)

4) Photographer A (40%)

Step-by-step explanation:

<u><em>The correct question is</em></u>

Four photographers are taking pictures at a school dance. Photographer A takes 2/5 of the pictures, Photographer B takes 4% , Photographer C takes 0.29 , and Photographer D takes 27/100 . Which choice lists the photographers in order from least to greatest by the amount of pictures they take?

we know that

1) Photographer A takes 2/5 of the pictures

That means

the amount of pictures take by photographer A in percent form is equal to multiply the fraction by 100

2/5(100)=40\% ---> percentage form

2) Photographer B takes 4%

3) Photographer C takes 0.29

That means

the amount of pictures take by photographer C in percent form is equal to multiply the decimal number by 100

0.29(100)=29\% ---> percentage form

4) Photographer D takes 27/100

That means

the amount of pictures take by photographer D in percent form is equal to multiply the fraction by 100

(27/100)(100)=27\% ---> percentage form

Lists the photographers in order from least to greatest by the amount of pictures they take

1) Photographer B (4%)

2) Photographer D (27%)

3) Photographer C (29%)

4) Photographer A (40%)

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I need to know this ASAP 20 points,
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Answer: B

Step-by-step explanation:

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