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ehidna [41]
2 years ago
5

What could be the value X ??? PLEASE HELP !!!!!!!!!!!! I WILL MARK BRIANLIEST

Mathematics
2 answers:
Diano4ka-milaya [45]2 years ago
7 0

Answer:

51

Step-by-step explanation:

I mean it should add up to 180 so

180 = 63+66+x

x=51

asambeis [7]2 years ago
4 0

Answer:

51

Step-by-step explanation:

Since there are two angles already filled in, we should know that a straight line equals 180°, meaning that we can add the two angles we already have (which makes 129) and subtract it by 180

180

- 129

____

51

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Help me on dis please
goldfiish [28.3K]

Answer:

3 * 10^-3

Step-by-step explanation:

It is to the negative third power because the decimal needs to move in front of the 3.

7 0
3 years ago
Read 2 more answers
10. If 9! is 362880, find 10!.
allochka39001 [22]

Answer:

  3628800

Step-by-step explanation:

10! = 10 × 9! = 10 × 362880

  = 3628800

_____

A number is multiplied by 10 by shifting the decimal point one place to the right. Here, that means appending a place-holder zero to the number.

4 0
3 years ago
Can u guys pls help me on this question and pls explain how u got the answer
lora16 [44]

Answer:

17.4 cm²

Step-by-step explanation:

base = 3x2.6x0.5 = 3.9 cm²

3 sides = 3(3)(3)(0.5) = 13.5 cm²

13.5 + 3.9 = 17.4 cm²

7 0
3 years ago
For some reason it is not 72
asambeis [7]

Answer:

Maybe the Answer is 504

Step-by-step explanation:

Because 8x7 = 56x9 = 504

7 0
2 years ago
Luis rides his bicycle 34 mile in 5 minutes, or 112 hour, along the bike trail. Assuming he rides at a constant rate, what is hi
artcher [175]

Answer:

408\frac{miles}{hour}

Step-by-step explanation:

we know that

To find the speed divide the total distance by the time

so

\frac{34}{(1/12)}=34*12=408\frac{miles}{hour}

3 0
3 years ago
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