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andreyandreev [35.5K]
3 years ago
15

Evaluate 5 ( n -3) + 2 when n = -3

Mathematics
1 answer:
Feliz [49]3 years ago
7 0

Answer:

The answer is -15.

Step-by-step explanation:

5(n - 3) + 2 \\ 5( - 3 - 3) + 2 \\ 5( - 6) + 2 \\  - 30 + 2 \\  - 15

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The angle marked a = 75°.<br> Work out the value of x.<br><br> The diagram is not drawn accurately.
NikAS [45]

Answer:

x+75=180

x=180-75

x=105

Step-by-step explanation:

x and a are on a straight line

a straight line=180

so you add the x to a=180

4 0
2 years ago
Systems of linear equations iready quiz
saw5 [17]

Answer:

<h2>One solution.</h2>

Step-by-step explanation:

The given question is

<em>Does the following system have One Solution, No Solution, or Infinite Solutions.   </em>

<em />y = 4x + 8\\y = -5x + 3<em />

<em />

<em />

To solve this system, we just need to multiply the first equation by -1, and then sum those equations.

-y = -4x - 8\\y = -5x + 3

0=-9x-5\\5=-9x\\x=-\frac{5}{9}

Then, we use this value to find the other one

y=4x+8\\y=4(-\frac{5}{9} )+8\\y=-\frac{20}{9}+8\\y =\frac{-20+72}{9} \\y=\frac{52}{9}

As you can observe, the system of equations have a unique solution.

Therefore, the answer is one solution.

7 0
3 years ago
Michael canned 4,713 quarts of blueberries over the summer. By the end of the year he had used 1/3 of what he had canned. How ma
aleksandr82 [10.1K]

Answer:

he used 1,571

Step-by-step explanation:

if you divide 4,713 by 3, you get 1,571 and that amount is equal to just 1/3 of the amount.

3 0
3 years ago
WILL GIVE BRAINLIEST! PLEASE HELP I'm doing an exam!! A photograph is reduced by a scale factor of 3/4. If the original length o
Harlamova29_29 [7]
13.5 inches, because if you add 4.5x4 or 9x2 it equals 18, then you just subtract 4.5 from 18 and it’s 13.5
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3 years ago
What is the b in this math question -17+b/8=1
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Are you supposed to find B?
5 0
3 years ago
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