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3 years ago

Describe how Jason can check his answer

Mathematics

1 answer:

ivolga24 [154]3 years ago

7 0

<h2>Question:</h2>

Describe how Jason can check his answer

<h2>Answer:</h2>

The equation that was given in the question is:

 $- 8.5 \times - 3.5 \times = - 78$ 

Also,the value of x given is 6.5 

Therefore, we'll put the value of x back into the equation and this will be:

 $- 8.5 \times - 3.5 \times = - 78 \\ - 8.5(6.5) - 3.5(6.5) \\ - 55.25 + - 22.75 \\ = - 78$ 

Therefore, the answer is correct

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on January 1,1980 a city had 100,000 people. During the year 1,000 people died, 2,000 babies were born, 3,000 people moved out,

svp [43]

Answer:

By the end of 1980 there are 112,000 people in the city.

Step-by-step explanation:

Total number of people on January 1, 1980 = 100,000 people

Number of people died during the year = 1,000

So, during the year number of people alive

= Total people - Number of people who died

= 100,000 people - 1,000 people = 99,000 people

Now, number of babies born during the year = 3,000

So, during the year number of people alive

= Total people left + Number of babies born

= 99,000 people + 3,000 babies = 102,000 people

Number of people who move in during the year = 10,000

So, at the end of the year number of people in the country

= Total people present + Number of people who moved in

= 102,000 people + 10,000

= 112,000 people

or, the number of people present in the country = 112,000

Hence, by the end of 1980 there are 112,000 people in the city.

6 0

4 years ago

Can you please help me out i am stuck

My name is Ann [436]

What's the question? what's the question?

6 0

3 years ago

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Compare the decimals 701.5 and 701.50. Which comparison is correct? A. 701.5 < 701.50 B. 701.5 = 701.50 C. 701.5 > 701.50

Murljashka [212]

Choice B. is correct. 701.5 = 701.50

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3 years ago

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What number can you add to pi to make it a rational number?

Sonbull [250]

Negative pi + pi =0 which is rational

4 0

4 years ago

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Help me with this question, please

anzhelika [568]

Answer:

Part 1: [ -4 = -8 ]

Part 2: Inconsistent

Step-by-step explanation:

Part 1

1. Move all terms that don't contain x to the right side:

3x - 6y+6y = -12+6y

= 3x = -12 + 6y

2. Isolate x:

$\frac{3x}{3} = \frac{-12+6y}{3}$

x = -4 + 2y

3. Substitute the new expression into the original:

-4 + 2y - 2y = -8

4. Simplify:

-4 + 0 = -8

[ -4 = -8 ]

Part 2

The two solutions are not equal in value, so, we can conclude that the system of equations has no solution, or is inconsistent.

hope this helps!

7 0

2 years ago