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Assoli18 [71]
4 years ago
12

Need Help!!!!

Mathematics
1 answer:
drek231 [11]4 years ago
3 0

Answer:

a.

Step-by-step explanation:

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x). the line y = -x is the point (-y, -x).

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An athlete eats 65 g of protein per day while training. How much protein will she eat during 15 days of training?
Paraphin [41]
I think it’s 975 I’m sorry if I’m wrong but I just multiplied 65 with 15 days since she eats 65 during 15 days
5 0
3 years ago
Help is needed here…
RUDIKE [14]

Answer: 2(−5x^2 +9)(5x^2 +9)

Step-by-step explanation:

Given: 162-50x^4

Factor out 2:  2(81-25x^4)

Rewrite:  2(9^2-(5x^2)^2)

Use difference of squares:  2(9-5x^2)(9+5x^2)

Reorder (if you need to) 2(-5x^2+9)(5x^2+9)

3 0
3 years ago
Read 2 more answers
Share 126 in the ratio 2:5
maks197457 [2]

Answer:

first share 2x=36

Second share=5x=90

Step-by-step explanation:

Ratio 2:5

Share=126

Let first share=2x

Second share=5x

So 2x+5x=126

7x=126

X=126/7

X=18

So first share 2x=36

Second share=5x=90

4 0
3 years ago
How to evaluate higher powers of i
Arisa [49]

Answer:

i^0 = 1

i^1 = i

i^2 = -1

i^3 = -i

i^4 = 1

i^5 = i

i^6 = -1

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i^8 = 1

i^9 = i

Step-by-step explanation:

Anything raised to 0 is 1

Anything raised to 1 is itself

I just always knew i^2 = -1

I put this rest into the calculator honestly

But if you look at the stuff from i^2, you'll notice there's a pattern (-1, -i, 1, i) and it repeats. I bet if you raise i to the 10th, 11th, 12th, and 13th power, it is going to repeat the same pattern. I hope this helps in any way.

4 0
3 years ago
What is 21 divided by 8806
horrorfan [7]

Answer: .0023847376

Step-by-step explanation:

6 0
3 years ago
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