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3 years ago

3/4 ( x - 7 ) = -1/4 ( 2x + 5 )

Mathematics

2 answers:

makvit [3.9K]3 years ago

4 0

Answer: 3.5 or 3 1/5

Step-by-step explanation:

3/4 (x-7)=-1/4(2x+5)

3(x-7)/4=-1/4(2x+5)

Distribute

Combine multiplied terms into a single fraction

=16/5 or 3 1/5 in demical 3.5

Anna007 [38]3 years ago

4 0

Answer:

$x = \frac{16}{5}$

Step-by-step explanation:

hope this helps!

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Solve 80% of x = 100 or 0.8x = 100

suter [353]

Answer:

125

Step-by-step explanation:

divide both sides of the equation by 0.8

0.8÷0.8=0.8÷100

any expression divided by 1 is itself

x=100÷0.8

divide the numbers

100÷0.8=125

125 is your answer

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3 years ago

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GenaCL600 [577]

Answer:

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Step-by-step explanation:

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3 years ago

To carry a bag of 50kg rice at the distance of 4

raketka [301]

Answer:

The porter charges Rs 300 at this rate.

Step-by-step explanation:

We solve this question by proportions, using rule of three.

75 Rs - 4 km - 50 kg

x Rs - 10 km - 80 kg

Relationship between the variables:

As the distance, or the weight increase, the rate will increase. This means that:

$\frac{75}{x} = \frac{4*50}{10*80}$

$\frac{75}{x} = \frac{200}{800}$

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The porter charges Rs 300 at this rate.

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3 years ago

What is the 7.5% of 48000

dimaraw [331]

48000 * 0.075 = 3600

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4 years ago

Read 2 more answers

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Vedmedyk [2.9K]

Tan B=AC/BC=35/12=2.917

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