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igomit [66]
3 years ago
15

Evaluate the expression below x/2 +8y-15 for x = -12 and y=3

Mathematics
1 answer:
jeka943 years ago
3 0
<span>(x/2)+8y-15 = (-12/2)+8*3-15 = -6+24-15 = 33</span>
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Which is the solution set of the compound inequality 3.5 x -10&gt; -3 and 8x -9 &lt;39
aivan3 [116]
3.5x-10>-3  add 10 to both sides

3.5x>13  divide both sides by 3.5

x>26/7

x=(26/7, +oo)

...

8x-9<39  add 9 to both sides

8x<48  divide both sides by 8

x<6

x=(-oo,6)

Since this is a compound inequality with AND the solution set will be the union of the two intervals found above.

x=(26/7, 6)
7 0
3 years ago
Read 2 more answers
Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?
maxonik [38]

ANSWER

2 \frac{1}{4}

EXPLANATION

We want to find the constant that must be added to

{x}^{2}  - 3x

to form a perfect square.

Comparing the given expression to

a{x}^{2}  + bx + c

we have

a=1 , b=-3 , and c=0.

We need to add

{( \frac{b}{2a} })^{2}

We substitute the values to get,

{( \frac{ - 3}{2(1)} })^{2}  =  \frac{9}{4}

We change this to mix numbers to get,

2 \frac{1}{4}

The last choice is correct.

4 0
3 years ago
What is the value of k in the linear pair below?
beks73 [17]
B. I do know if it’s a triangle but 180 degrees is what you need to get to so 104+76=180
6 0
3 years ago
Answer Please---Due today!!!
Angelina_Jolie [31]

Answer:

14/44 or 7/22

because 44 is the total and the total number of latin cds are 14

so 14/44 simplified would be 7/22

hope it helped

Step-by-step explanation:

Please rate and mark as brainliest

Thank you and have a good day

5 0
1 year ago
Read 2 more answers
What is 8/15 + (-6/15)=
patriot [66]

Answer:

0.1333 or \frac{2}{15}

Step-by-step explanation:

The attached image contains the steps.

8 0
2 years ago
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