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3 years ago

Used cross multiplying to solve 4/9 = r-3/6

Mathematics

1 answer:

Lesechka [4]3 years ago

5 0

Answer:

the correct answer is r=0.94

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4X = 44<br> What is X?<br> sorry I bad at this

Contact [7]

Hello!

X = 11

to get this, divide both sides by 4

4X / 4 = X

44 / 4 = 11

X = 11

I hope this helps, and have a nice day!

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3 years ago

What is the difference between gcf (greatest common factor) and lcm (least common multiple)?

WARRIOR [948]

The GCF is based upon what integer divides evenly into two numbers; the LCM is based upon what integer two numbers share in a list of multiples. The GCF must be a prime number; the LCM must be a composite number.

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3 years ago

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Opposite reciprocal of 1/3

luda_lava [24]

Answer:

-1/3

Step-by-step explanation:

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3 years ago

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What is the sum of series is numbers 64&66 ?<br> Using the summation notation

iragen [17]

Answer:

64. 6138

66. 8.078125

Step-by-step explanation:

Let's take it one number at a time.

For number 64:

$6(2)^{1-1}=6$

$6(2)^{2-1}=12$

$6(2)^{3-1}=24$

$6(2)^{4-1}=48$

$6(2)^{5-1}=96$

$6(2)^{6-1}=192$

$6(2)^{7-1}=384$

$6(2)^{8-1}=768$

$6(2)^{9-1}=1536$

$6(2)^{10-1}=3072$

Sum = 6 + 12 + 24 + 48 + 96 + 192 + 384 + 768 + 1536 + 3072

Sum = 6138

For number 66:

$12(-\frac{1}{2})^{0}=12$

$12(-\frac{1}{2})^{1}=-6$

$12(-\frac{1}{2})^{2}=3$

$12(-\frac{1}{2})^{3}=-1.5$

$12(-\frac{1}{2})^{4}=0.75$

$12(-\frac{1}{2})^{5}=-0.375$

$12(-\frac{1}{2})^{6}=0.1875$

$12(-\frac{1}{2})^{7}=-0.0078125$

$12(-\frac{1}{2})^{8}=0.046875$

$12(-\frac{1}{2})^{9}=-0.0234375$

Sum = 12 + -6 + 3 + -1.5 + 0.75 + -0.375 + 0.1875 + -0.0078125 + 0.046875 + -0.0234375

or to make things simpler:

Sum = 12 - 6 + 3 - 1.5 + 0.75 - 0.375 + 0.1875 - 0.0078125 + 0.046875 - 0.0234375

Sum = 8.078125

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3 years ago

( Multiple choice) In the game of miniature golf, the ball bounces off the wall at the same angle it hit the wall. (This is the

Goshia [24]

The answer is A because if you do the 40 dagree and a coodinate plane it forms a triangle.

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Used cross multiplying to solve 4/9 = r-3/6​

Used cross multiplying to solve 4/9 = r-3/6