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OlgaM077 [116]
3 years ago
5

Please Help On These 3 Questions . I will reward brainliest!

Mathematics
2 answers:
Oliga [24]3 years ago
7 0
There can be 1,2, or 3 variables .
there is always an x variable.
Luden [163]3 years ago
4 0
In my opinion, id say A and B
You might be interested in
6/7 divided by 2/3 = ???
Nana76 [90]

Answer:

1 2/7

Step-by-step explanation:

Hi! so this is very easy to solve. Let me guide you through it!

6/7 divided by 2/3

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

6/7 X 3/2

For fraction multiplication, multiply the numerators and then multiply the denominators to get

6      x 3       18

__    ___  =  ____  

7       x2          24

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 18 and 14 using

GCF(18,14) = 2

18     ÷ 2           9

___     ___   =   ___

14      ÷ 2             7

The fraction

9/7

is the same as

9÷7

Convert to a mixed number using

long division for 9 ÷ 7 = 1R2, so

9/7=1 2/7

so there fore =

6/7÷2/3=1 2/7

(sorrry this took long i was solving it!)

4 0
2 years ago
What is the value of x? ​
ra1l [238]

Step-by-step explanation:

Continuation of the answer

4x=180 degrees

X=180/4=45 degrees.

6 0
2 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%28%20%7B%20-%20x%7D%5E%7B%20-%201%7D%29%20%5E%7B0%7D%20%20%7D%7B4%20%7By%7D%5E%7
Kipish [7]

Answer:

1/4y

Step-by-step explanation:

(-x^-1)^0/(4y^-1*y^2)

anything to the power of 0 gives you 1,

1/(4y^-1*y^2)

-1+2=1

1/4y^1=1/4y

8 0
3 years ago
Is it 7^12 not so sure ._.
Alekssandra [29.7K]
You are correct, it is.
6 0
2 years ago
two passenger train traveling in opposite directions meet and pass each other. Each train is 1/18 miles long and is traveling at
xz_007 [3.2K]

9514 1404 393

Answer:

  5 seconds

Step-by-step explanation:

Suppose the front parts of the trains meet at point A. Since both are the same length and traveling the same speed, each will pass point A in time ...

  time = distance/speed

  time = (1/18 mi)/(40 mi/h) = (1/720 h) × (3600 s)/(1 h) = 5 s

That is, the rear part of each train will be at point A 5 seconds after the front part.

The rear parts will pass each other 5 seconds after the front parts meet.

6 0
2 years ago
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