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Gemiola [76]
3 years ago
11

I need help pls!! no random answers pls very important!!​

Mathematics
2 answers:
hjlf3 years ago
6 0

Answer:

(-2, -4)

Step-by-step explanation:

When a point is rotated 180 degrees around the origin, the values turn into their opposites.

(2, 4) ⇒ (-2, -4)

aliina [53]3 years ago
4 0

Answer:

(-2,-4)

Step-by-step explanation:

You have it correct.  It would move from quadrant I to quadrant III and both values become negative.

(-2,-4)

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Solve these equations.<br> |x-7|=x-7
Cloud [144]

Answer:

x ≥ 7

Step-by-step explanation:

|x - 7| = x - 7

A. For each absolute, find the intervals

x - 7 ≥ 0     x - 7 < 0

     x ≥ 7           x < 7

If x ≥ 7, |x - 7| = x - 7 > 0.

If x < 7, |x - 7| = x - 7 < 0. No solution.

B. Solve for x < 7

Rewrite |x - 7| = x - 7 as

+(x - 7) = x - 7

      x - 7 = x - 7

-x + 14 = x

        14 = 2x

          x = 7

7 ≮7. No solution

C. Solve for x ≥ 7

Rewrite |x - 7| = x - 7 as

+(x - 7) = x - 7

      x - 7 = x - 7

True for all x.

D. Merge overlapping intervals

No solution or x ≥ 7

⇒ x ≥ 7

The diagram below shows that the graphs of y = |x - 7| (blue) and of y = x - 7 (dashed red) coincide only when x ≥ 7.

6 0
3 years ago
Solve x^4-10x^2+9=0 <br> please and thank you
Sloan [31]

Answer:

1,3

Step-by-step explanation:

=(x^2-1)(x^2-9)=0

x=1,x=3

5 0
3 years ago
5) 85% of 366.8 is what?<br> A) 431.5 B) 311.8<br> C) 128.1 D) 10146
Nataly_w [17]

Answer: The answer is B

B. 311.78

4 0
3 years ago
Read 2 more answers
A solution of salt and water contains 70 grams of water per 140 milliliters of the solution. if 1 mole of water weighs 16 grams,
Fynjy0 [20]
Be present in 35 milliliters of the solution. [round off your answer to two decimal places. if you answer is less than one, include the zero before the decimal point.]

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What is the relationship between lines d and b?
docker41 [41]

Answer:

the are perpendicular to each other (option B)

5 0
3 years ago
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