2 years ago

Solve for x:A 10°B 18°C 20°D 22.5°

Mathematics

1 answer:

enot [183]2 years ago

6 0

Answer:

all right triangles are 90 degrees and in total there is 9x so you divide 90 by 9 to get x=10 A

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2.1x10 to the -3 power x 2x10 to the second power

ad-work [718]

Answer:

$4.2*10^{-1}$

Step-by-step explanation:

We want to simplify:

$2.1*10^{-3}\times 2*10^2$

We rewrite to get:

$2.1*2*10^2*10^{-3}\times10^2$

We now apply the laws of indices

$4.2*10^{-3+2}$

We simplify to get $4.2*10^{-1}$

We leave our final answer is scientific form.

The final answer is therefore:

$4.2*10^{-1}$

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2 years ago

Luz has attended classes everyday since she was in kindergarten. She said she has been in school for about 1000 days. What numbe

klemol [59]

2.74 so your answer would be 3.

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2 years ago

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MariettaO [177]

Answer:

solution 1: 3

solution 2: 9

Step-by-step explanation:

1) solution 1 + solution 2 = 12;

2) solution 1 * solution 2 = 27;

3) only 3 and 9 meet these two requirements.

note. this equation can be resolved using another way.

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2 years ago

2|3xy-4|+x if x= -2 and y = 4

andre [41]

I got 60 for the answer. When you plug the number in you use parentheses.

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I've checked everywhere and I cant figure out what this is.<br>it's not 9.4, I tried.

GarryVolchara [31]

8.5? Give that a try!:)
What I did was I took a piece of paper, and listen those numbers from least to greatest, then I scratched off one number per side, till I got to the middle. From there, I added 8 and 9, the divided by 2. There, I got 8.5

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2 years ago

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