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Bingel [31]
3 years ago
6

If y varies directly with x. and y=10 when x=5.6, find the value of y when X=3

Mathematics
1 answer:
Nady [450]3 years ago
3 0

Answer: 5.3571

Step-by-step explanation:

The formula used to calculate direct proportion is: y = kx

We will find the constant of proportionality when y=10 and x=5.6. This will be:

y = kx

10 = 5.6k

k = 10/5.6

k = 1.7857143

The value of y when X=3 will be:

y = kx

y = 1.7857143 × 3

y = 5.3571

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Given P(-7,3,-7) and Q(-4,-3,-9), find the midpoint of the segment PQ
Alona [7]

Answer:

The coordinates of the midpoint of the segment are (-5.5,0,-8)

Step-by-step explanation:

In this question, we are tasked with calculating the midpoint of the segment PQ.

To calculate this, we employ the use of a mathematical formula as follows;

The coordinate of the midpoint are = {(x1+x2)/2, (y1+y2)/2 , (z1+ z2)/2}

Thus we have;

{(-7-4)/2, (3-3)/2 , (-7-9)/2} = (-11/2, 0/2, -16/2)

= (-5.5,0,-8)

4 0
3 years ago
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Korede and Zahir were comparing their money amounts. Korede had $4.05, and Zahir had $5.04. Who had more money?
RSB [31]

Answer:

Zahir.

Step-by-step explanation:

Zahir has 98p more money than Korede.

5 0
3 years ago
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Please help please please
dezoksy [38]

Look at the picture.

Corresponding angles:

∠1 and ∠5

∠2 and ∠6

∠3 and ∠7

∠4 and ∠8

<h3>Therefore your answer is ∠1 and ∠5</h3>

4 0
3 years ago
Which is the distance between points (0,3) to (5,-9) on the coordinate plane?
pogonyaev
This would be:-

square root [ (5-0)^2 + (-9 -3)^2) ]

= square root (  25 + 144)

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= 13 Answer

4 0
4 years ago
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If CORRECT answerS then good review
SashulF [63]

Answer:

number 8 is D) 78.7 in.

and number 9 is C) 63°

hope these are the answers you are looking for

Step-by-step explanation:

4 0
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