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dsp73
2 years ago
8

What is -x^2 + 3xy^2, if X = -4 and y = -1?

Mathematics
1 answer:
ANTONII [103]2 years ago
3 0

Answer:

4

Step-by-step explanation:

-x^2 + 3xy^2

Now replacing X and y with their values

-(-4)^2 + 3 * -4 * -1^2

4^2 - 12

16 - 12

4

Mark as brainliest please

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Two groups of bikers leave the same camp heading in different directions. Each group travels 4 miles, then changes direction and
devlian [24]

Group B is farther from camp.

7 0
2 years ago
Add 212+(−13) . Write your answer as a mixed number in simplest form.
nordsb [41]

The value of the given expression after addition is 199 and this can not written as a mixed number in the simplest form.

According to the question,

We have the following expression:

212+(-13)

Now, we know that the multiplication of one negative and one positive integers is always positive.

So, we have the following expression:

212-13

199

Now, this number is whole number and it can not be written as a mixed number. It could only have been written as a mixed number when the result would have been in a fraction.

Hence, the value of the given expression after addition is 199 and this can not written as a mixed number in the simplest form.

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7 0
10 months ago
What is -2(x+6)+x? Simplify
andrezito [222]

Answer:

Step-by-step explanation:

-x-12

6 0
3 years ago
Evaluate 3+(−4)−8−(−1)
castortr0y [4]

Answer: - 8

Step-by-step explanation:

3+(−4)−8−(−1)

3 - 4 - 8 + 1

3 - 12 + 1

-9 + 1

- 8

4 0
3 years ago
Read 2 more answers
Marlene is solving a number puzzle involving three rational numbers a, b, and c. Here are her clues:
rusak2 [61]
A/c = 8.....a = 8c
a * c = 2 ...a = 2/c
a/b = -16 ...a = -16b
a * b = -1....
b/c = -0.5

2/c = 8c
2 = 8c^2
1/4 = c^2
sqrt 1/4 = c
0.5 (or 1/2) = c <===

a * c = 2
0.5a = 2
a = 2/0.5
a = 4 <===

a = -16b
4 = -16b
4/-16 = b
-1/4 (or - 0.25) = b <===
5 0
2 years ago
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