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alexdok [17]
3 years ago
12

Evaluate the expression for b = -6. 3b =

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0

Answer:

-18

Step-by-step explanation:

Hope that helps

You do 3(-6) to get neg 18

kolbaska11 [484]3 years ago
5 0

Answer:

-18

Step-by-step explanation:

-6 x 3 = - 18.

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5 ( n - 7 ) = 2 ( n + 14 )
wariber [46]

Answer:

n=21

Step-by-step explanation:

We must find n.

Remember PEMDAS. First we must do the Parentheses. Lets do distributive property by multiplying a number that is immediately outside the parentheses with each number inside the parentheses. Lets do this one side at a time.

First lets do 5(n - 7). We get 5n - 35

Now 2(n + 14) is 2n + 28

Okay...... now we have 5n-35=2n+28

Now lets do OPPOSITES!!!! We must do the opposite of each thing to both sides.

The opposite of -35 is positive 35. Lets add 35 to both sides. We get:

5n=2n+63

Now lets do the opposite of 2n which is -2n

3n=63

this is looking quite nice isnt it..........

The opposite of 3 times n is 3 DIVIDED BY n. So lets divide both sides by 3

n=21

amazing.......

8 0
2 years ago
Read 2 more answers
Help with practice problem
padilas [110]

Answer:

attached above with detail explanation.

5 0
2 years ago
How many square inches are in 60 square feet
jasenka [17]
<h2>Answer</h2>

8640 square inches

<h2>Explanation</h2>

To solve this, we are going to take advantage of the fact that 1 square foot is equal to 144 square inches so we can create a suitable conversion fraction.

Since we want to convert from square feet from inches, the denominator of our conversion fraction will be square feet so we can cancel those out and get the result in square inches:

60square.feet*\frac{1144square.inches}{1square.fett} =60*144square.inches=8640square.inches

There are 8640 square inches in 60 square feet

5 0
3 years ago
Read 2 more answers
Order them from least to greatest
ella [17]
8/3, 30/7, 40/9, 21/4
7 0
3 years ago
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Y is directly proportional to the square root of (x+2). when x =7 y=2. find y when x =98
denis23 [38]

Answer:

98/7=14

14*2=28

y=28

Step-by-step explanation:

8 0
2 years ago
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