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3 years ago

How many feet of boards should I buy if I need 24 boards that are 47 1/2 inches long

Mathematics

1 answer:

aleksklad [387]3 years ago

8 0

Can u give a picture

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Select the number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170

Andreyy89

The number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170 is; Associative Property

<h3>What is the Number Property that was used?</h3>

The associative property is a math rule that says that the way in which factors are grouped in a multiplication problem does not change the product.

Now, this associative property is used here because we see that;

2(5 • 17) = (2 • 5) 17

In both left and right hand sides we see that despite the change in order, the result remains the same.

Read more about Number Property at; brainly.com/question/24792133

#SPJ1

4 0

2 years ago

Value of this problem?

Rudik [331]

$\frac{4^3\times4^{-1}\times5^{-2}}{4^4\times5^{-3}\times5^0}=\frac{4^{3-1}\times5^{-2}}{4^4\times5^{-3+0}}\\=\frac{4^{2}\times5^{-2}}{4^4\times5^{-3}}=4^{2-4}\times5^{-2-(-3)}\\=4^{-2}\times5^{1}=\frac{5}{4^2}\\=\frac{5}{16}$

5 0

3 years ago

What is the slope of the line that contains the points (-8, 7) and (-4, -5)? A. -3 B. 1 3 C. 3 D. - 1 3

Scilla [17]

Answer: A.

Step-by-step explanation:

4 0

2 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

lana [24]

Answer:

1/21

Step-by-step explanation:

Cards: 2,3,4,5,6,7,8 7 cards

1st card :5

P(5) = number of 5's / total

= 1/7

Then we keep the card

Cards: 2,3,4,6,7,8 only 6 cards left

card less than 4: 2,3

P (card less than 4) = number of cards less than 4/ total cards

= 2/6 = 1/3

P (5, no replacement, card less than 4) = P(5) * P( less than 4)

= 1/7 * 1/3

=1/21

4 0

3 years ago

Read 2 more answers

There are 6 marbles in a bag. are blue and 2 are red. What is the probability of

kow [346]

3 is to 2 is the probability of drawing 4 marbles that are all blue.

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3 years ago