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Aleksandr-060686 [28]
3 years ago
15

Please help! 20 points

Mathematics
1 answer:
lianna [129]3 years ago
8 0
My son said who iz n tha 4th grade tha answer iz 8 2/4
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Evaluate:<br> 2 - (-9) + (-18) / 3 x 2 -10
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Answer:

Step-by-step explanation:

2+9-18/3x2-10

Lets follow order of ops.

/, x, +, -

Divide first.

2 + 9 - (18/3) x 2 - 10

2+9-6x2-10

Now we multiply.

2+9-(6x2)-10

2+9-12-10

Add.

11-22

Now subtract.

11-22=-11

---

hope it helps

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3 years ago
The vertex of the parabola is at (-3,-2) which of the following could be its equation
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1/2(a+b)-(a-b)exponent2 when a=18 and b=14
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Answer:

0

Step-by-step explanation:

Substitute the given values for a and b into the expression

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= 16 - 16

= 0

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One Morning in Atlanta, Tina observed that the temperature was 72 degrees. Later the temperature rose 21 degrees and then droppe
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