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3 years ago

14

Belinda wants to buy 5 pictures to hang in her family room . If each picture costs $30.90 how much will it cost her to buy 5? Ju

stify your answer by using distributive property

1 answer:

kow [346]3 years ago

6 0

Ur answr would be 154.50 because if u do 30.90 5 times or times 30.90 by 5 its 154.50

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use benchmarks to determine the costomaryand metric units you would use to measure the height of your house. explain your answer

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3 years ago

Which of the following expressions represents the distance between-1/4 and 3/4

Shalnov [3]

Answer:

|-1/4 - 3/4|

Step-by-step explanation:

To get the distance, take the absolute value of the second point minus the first point

| 3/4 - - 1/4|

|3/4 + 1/4|

We can also take the absolute value of the first point minus the second point

|-1/4 - 3/4|

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2 years ago

I really need help on this problem. I don’t get it

Sveta_85 [38]

The domain is {-9,-4,3,9}
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3 years ago

Maria works in a factory that produces new cars. She is having trouble with one of the machines. In order to work properly, the

Dovator [93]

Answer:

Maria did her job properly. Both gears are perpendicular.

Step-by-step explanation:

Recall that given vectors a and b, they are perpendicular if and only if $a\cdot b$ =0. If $a=(a_1,a_2),b=(b_1,b_2)$ . Then $a\cdot b = a_1b1_+a_2b_2$ .

IN our case a=(5,-1,2) and b) (1,-3,-4). So,

$a\cdot b = 5\cdot 1 + (-1)\cdot(-3) + 2\cdot(-4) = 5+3-8 =0$

So both gears are perpendicular.

3 0

3 years ago

A door frame is 7 feet high. In order to accommodate a larger door, the frame

Artemon [7]

First you need to get 3% of 7 so
7x0.03= 0.21
then you need to add that 3% onto 7
7+0.21=7.21
therefore the door frame is now 7.21 feet high

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2 years ago