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2 years ago

What values of a and b make the equation true?

Mathematics

1 answer:

mestny [16]2 years ago

6 0

Answer:

Step-by-step explanation:

$\sqrt{648} =\sqrt{2 * 2 * 2 * 3 * 3 * 3 * 3} \\\\=\sqrt{2^{3}*3^{4}}$

a = 3 & b =4

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The mean of three number is 15. if 2 of the numbers are 18 and 16 what is the third number

MrMuchimi

Answer:

Step-by-step explanation:

The mean is calculated as

mean = $\frac{sum}{count}$

let the third number be x , then

$\frac{18+16+x}{3}$ = 15 ( multiply both sides by 3 to clear the fraction )

34 + x = 45 ( subtract 34 from both sides )

x = 11 ← third number

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2 years ago

If the tip of the arrow moves to (0,2), what is the center of rotation?

LiRa [457]

The answer is A. (2,2)....

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2 years ago

Three students wrote equations on their dry erase boards.

tiny-mole [99]

Answer:

13/20 = 65%

Step-by-step explanation:

1/4 = 25%

7/10 = 70%

13/20 = 65%

Only the last one had the correct percentage.

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2 years ago

Ross chose a card at random from a deck of 52 cards. Ross replaced the card and then chose a second card. What is the probabilit

DaniilM [7]

Answer:

$\frac{1}{208}$

Step-by-step explanation:

We have been given that Ross chose a card at random from a deck of 52 cards. Ross replaced the card and then chose a second card.

Let us find probability of getting a club.

$\text{ Probability of getting a club}=\frac{13}{52} =\frac{1}{4}$

Now let us find probability of getting the ace of spades.

$\text{ Probability of getting ace of spades}=\frac{1}{52}$

Now let us multiply these to find probability of getting a club and ace of spades.

$\text{ Probability of getting a club and then ace of spades}=\frac{1}{4}*\frac{1}{52}=\frac{1}{208}$

Therefore, probability of getting a club and then the ace of spades $\frac{1}{208}$ .

8 0

2 years ago

A rhombus, which is a quadrilateral with 44 equal sides, is plotted on the coordinate plane. The coordinates of the vertices are

Arturiano [62]

The rhombus is shown in the diagram below

The length of one side of the rhombus is 5 units, hence all the other sides are also 5 units each.

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2 years ago