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4 years ago

3|x+5|=7 Please answer as soon as possible

Mathematics

1 answer:

svet-max [94.6K]4 years ago

3 0

Answer:

The | signs are absolute value signs. Absolute value just makes a negative value turn positive, because technically there is no negative value. For example |-x+5| turns into x+5. If it's already positive, it stays the same. So basically, they're just acting as parenthesis right now. Just distribute the 3 and get 3x+15=7. subtract 17 and get 3x=-8. Divide both sides by three, and you should get x= -8/3. But wait, there's more. Since this is an absolute value equation, there should be more than one answer. Simply make the number on the other side negative. 3x+15=-7. subtract 15 and get -22. Keep going and your answer should be -22/3.

So in conclusion, your two answers are -8/3 and -22/3.

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Yuri [45]

Answer:

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3 years ago

What is the monthly payment for a loan if the amount financed is $12385, the APR is 6.9% for 5 years and the monthly payment per

V125BC [204]

12385=X[(((1-(1+0.069/12)^(-12*5))/(0.069/12)]
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3 years ago

What is the slope of the line through the points (-2,-1) and (8,-3)?

RSB [31]

Answer:

- 1/5

Step-by-step explanation:

Slope of a line passing through two points can be calculated as:

$\text{slope}=\frac{\text{rise}}{\text{run}} \\\\ \text{slope}=\frac{\text{Difference of y coordinates}}{\text{Difference of x coordinates}}$

The given points are (-2, -1) and (8, -3). Using the values in above formula, we get:

$\text{slope}=\frac{-3-(-1)}{8-(-2)}\\\\ \text{slope}=\frac{-3+1}{8+2}\\\\ \text{slope}=\frac{-2}{10}\\\\ \text{slope}=\frac{-1}{5}$

Thus the slope of the line through the given points is -1/5. So 2nd option gives the correct answer

3 0

4 years ago

Read 2 more answers

Skyler is 104 miles away from Marcus. They are traveling towards each other. If Marcus travels 8 mph faster than skyler and they

Nina [5.8K]

Speed of skyler is 204 mph and speed of marcus is 212 mph

Solution:

Skyler is 104 miles away from Marcus

Therefore,

Distance = 104 miles

They meet after 4 hours

Time taken = 4 hours

Let "x" be the speed of sklyer

Marcus travels 8 mph faster than skyler

Therefore,

Speed of marcus = 8 + x

They are traveling towards each other

Since they are traveling towards each other, we can add up their speeds

Speed = x + 8 + x = 2x + 8

The distance is given by formula:

$distance = \frac{speed}{time\ taken}\\\\104 = \frac{8+2x}{4}\\\\104 \times 4 = 8 + 2x\\\\8 + 2x = 416\\\\2x = 416-8\\\\2x = 408\\\\x = 204$

Thus speed of skyler = x = 204 mph

Speed of marcus = 8 + x = 8 + 204 = 212 mph

Thus speed of skyler is 204 mph and speed of marcus is 212 mph

6 0

3 years ago

Someone help please!

Scorpion4ik [409]

Answer: 3/ 10.8

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers