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UkoKoshka [18]
3 years ago
13

Triangle ABC is shown below.

Mathematics
1 answer:
inna [77]3 years ago
3 0

Answer:

the answer is 14 C

Step-by-step explanation:

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30 Points! please help!
SVEN [57.7K]

Answer:

18) 4 * 10 ^ -10

19) t ^ 9

Step-by-step explanation:

18. When multiplying in scientific notation, just multiply the regular numbers together and add the exponents for the tens.

So it'll be 40 * 10^-11

However, the beginning number should have the decimal right after the 4, not any place after (for example, it's 3.056, not 30.56 or 3056.)

To fix this, move the decimal place forward one space from 40. to 4.0, and add 1 to the -11 power.

So the answer is now 4 * 10^-10

19. When dividing exponents, if the base number is the same, you can divide. (Basically, you can not divide x^2 and y^3 because x and y aren't the same)

Since in this case it's t, you can divide.

Dividing exponents is simple: just subtract them.

14 - 5 = 9

so the answer is t ^ 9

3 0
3 years ago
Please show work thank you
Ne4ueva [31]

Answer: 70 mph

Step-by-step explanation:

8 0
3 years ago
1.3 repeating as a fraction
strojnjashka [21]
1 3/9 but if reduce to lowest term than 1 1/3
4 0
3 years ago
Read 2 more answers
If (2,3) is reflected over the y axis what is the new coordinates
Andrei [34K]

Answer:

(-2,3)

Step-by-step explanation:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed). Notice that B is 5 horizontal units to the right of the y-axis, and B' is 5 horizontal units to the left of the y-axis. the y-axis is the point (-x,y).

3 0
3 years ago
Twenty-five percent of what number is 80?
tankabanditka [31]
The answer is 20
Hope this helps
3 0
3 years ago
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