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alexdok [17]
3 years ago
10

Evaluate the expression, using the given value of the variable.

Mathematics
1 answer:
professor190 [17]3 years ago
6 0
The answer is C. 4

7 - 5 x 3 + 4 x 3
= 7 - 15 + 12
= -8 + 12
= 4


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Change 2/7% to a ratio
andre [41]
(2/7)% = 

<span>(2 / 7) / 100 = </span>

<span>2 / 700 </span>

<span>2 : 698 </span>

<span>1 : 349</span>
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3 years ago
Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in th
KATRIN_1 [288]

Answer:

I'm 99% sure the answer is A

Step-by-step explanation:

8 0
3 years ago
B is the midpoint of A . If AB = x+5 and BC =2x-11, find the measure of AB
nignag [31]

If B is the midpoint of AC, then AB = BC.

We have AB = x + 5 and BC = 2x - 11.

Therefore we have the equation:

x + 5 = 2x - 11       <em>subtract 5 from both sides</em>

x = 2x - 16       <em>subtract 2x from both sides</em>

-x = -16      <em>change the signs</em>

x = 16

Put the value of x to the expression x + 5:

AB = 16 + 5 = 21

<h3>Answer: AB = 21</h3>
6 0
3 years ago
$11.13-$5.50-$6.12=$10.51; $30- $10.51
MrMuchimi
What is the problem?? I would love to help
3 0
3 years ago
80 points!!! I desperately need help! tell me how to do this! PLZ<br>(4k+5)(k+1)=0
Len [333]

Lets solve your equation step by step:

(4k + 5)(k + 1) = 0



Step 1: Simplify both sides of the equation:

4k^2 + 9k + 5 = 0



Step 2: Factor left side of equation:

(4k + 5)(k + 1) = 0



Step 3: Set factors equal to 0:


4k + 5 = 0 or k + 1 = 0


k = - 5/4 or k = - 1






Answer: k = - 5/4 or k = - 1








Hope that helps!!!! ( Answer: k = -5/4 or k = -1)

5 0
3 years ago
Read 2 more answers
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