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Ganezh [65]
3 years ago
5

Find the value of r ,so that the line passing through the points 6,2 and 10,r given and has a slope of 2

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0

Answer:

10

Step-by-step explanation:

Slope (m) of two points is expressed as :

m = (y2 - y1) / (x2 - x1)

Given m = 2

the equation becomes;

2 = (r - 2) / (10 - 6)

2 = (r - 2) / 4

cross multiplying becomes ;

2 * 4 = r -  2

8 = r - 2

r = 10

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Corey bought 2 1/2<br> liters of paint for 60dollars <br> What was the cost per liter of paint?
sergij07 [2.7K]

Answer:

24 dollars per liter

Step-by-step explanation:

Take the number of dollars and divide by the number of liters

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6 0
3 years ago
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You attend a wedding and are second in line to get a slice of wedding cake. there are 3 slices of vanilla cake, 12 slices of cho
Dima020 [189]

Answer:

1/14

Step-by-step explanation:

Let A represent the event First person getting red velvet cake
Let B represent the event Second person getting red velvet cake

P(A) = Total number of Red Velvet Cakes ÷ Total Number of Cakes =

6/21 = 2/7

If the first person gets a red velvet cake, then there are 5 red velvet cakes and 20 total cakes

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7 0
1 year ago
Line m is intersected by line t , as shown in the diagram below. Based on the diagram, which of the following equations must be
Anna11 [10]

the answer is quite simple on this one. angles 1 and 3 are equal, and angles 2 and 4 are equal.

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3 0
3 years ago
Can someone help me with this please and thank you
oksano4ka [1.4K]
Sure! Do you want me to walk you through it or just give you the answer?
7 0
3 years ago
Can someone tell me the surface area and volume for these? I need the steps and formula as well. Please help me.
nordsb [41]

1st pic

Triangle prism

a triangular end with a base of 27 mm and a height of 23 mm.

the length of each side is 56 mm and the width of each side is 27 mm

SA=bh+(s1+s2+s3)H

SA=(27)(23)+(27+27+27)(56)

SA= 621 + 4536

SA=5157 mm^2

 

V = ½ blh

V = ½ (27)(23)(56)

<span>V = 17388 mm^3</span>


2nd pic
Cone
SA = πr(r + √(h^2 + r^2) (r = 4, h = 7)
SA = 4π (4 + √(7^2 + 4^2))
SA = 4π (4 + √(49 + 16))
SA = 4π (4 + √65 )
SA = 16π + 4√65 

V = 1/3 πr^2h (r = 4, h = 7)
V = 1/3 π (4^2)(7)
V = 112/3 π
V = 37 1/3 π 

3rd pic
sphere:

SA = 4 <span>π r^2 as you know r = 14/2 = 7
SA = 4</span>π(7^2) = 4π(49) = 196<span>π m^2

V = 4/3</span><span>πr^3
V = 4/3</span><span>π(7^3)
V = 4/3</span><span>π(343)
V = 1372/3 </span><span>π
V =  457 1/3 </span><span>π m^3
</span><span>

</span>
5 0
3 years ago
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