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Svetlanka [38]
3 years ago
7

Can anybody help please?

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
8 0

Answer:

a) 6:40

b) 4:50

c) 11:30

Step-by-step explanation:

Btw it was easy though

natulia [17]3 years ago
6 0
Answer for 1: 6:20
Answer for 2: 4:50
Answer for 3: 11:30
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Klio2033 [76]

Answer:

-68/7

Step-by-step explanation:

slope1 of Car 1 that pass (-5,-8) (2,7)

= (y1-y2)/(x1-x2)=(2-(-5))/(7-(-8))=7/15

Slope2 of car 2 that pass (5,1) (10,y)

slope 1 and slope2 are perpendicular =>slope 2 =-15/7

make slope2 y=(-15/7)x+b

for it pass(5,1) => 1=(-15/7)5+b =>b=82/7 => y=(-15/7)x+82/7

put (10,y) in => y=(-15/7) 10+82/7=-68/7

3 0
2 years ago
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GenaCL600 [577]

Answer:

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Step-by-step explanation:

A dozen is 12 muffins. Therefore, you pay $3.00 for 12 muffins.

We know that you pay $3.00 for 12 muffins we need to find out how much EACH muffin cost. For that we need to divide $3.00 by 12 which is 0.25.

Now we need to know how much it will cost us for 16 muffins. We use our equation 16*0.25 which is 4. Elena said she will pay 4 so she is right.

Andre said he will buy 8 muffins so we use our equation again 8*0.25 which is 2. He said he will pay 2 so he is right.

5 0
2 years ago
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What is linear equation?

An equation between two variables that gives a straight line when plotted on a graph.

2x + 5xy - 3 = 0

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y = ( (3/x) - 2) / 5

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2 years ago
What angles are supplementary?
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