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Reil [10]
3 years ago
10

What is the slope of a line that passes through the points (4, 2) and (8, 5) *

Mathematics
1 answer:
Illusion [34]3 years ago
8 0

Start with the slope formula.

Slope formula can be read as the second y minus the first

y over the second x minus the first x.

So for this problem, the second y minus the first y would be

5 - 2 and the second x minus the first x would be 8 - 4.

5 - 2 over 8 - 4 is 3/4.

So the slope of the line that passes through these points is 3/4.

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If water and oil are combined in a container, the resulting liquid is a(n)
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3 0
3 years ago
Here is a rectangle which has a width of x cm. x cm
miskamm [114]

Answer:

278.25 cm2

Step-by-step explanation:

If the width of the rectangle is x (cm), as the length is 8cm longer, so that the length of the rectangle is: x + 8 (cm).

In the attached image, we can see the length of each side. Total length of the sides are 90 cm.

=> (x + x + 8) + x + 8 + (x+8) + (x + x + 8) + x + 8 + (x +8) = 90

=> 8x + 48 = 90

=> 8x = 90 - 48 = 42

=> x =42/8 = 5.25 (cm)

=> The width of the rectangle is 5.25cm

=> The length of the rectangle is: 5.25 + 8 = 13.25 cm

=> The area of one rectangle is: Length x Width = 5.25 x 13.25 = 69.5625 cm2

As the 8-sided shape is made from 4 rectangles, so that:

Area of 8 sided shape = 4 x Area of the rectangle = 4 x 69.5625 = 278.25 cm2

6 0
3 years ago
Find each sum or difference -8/35+2/5=
Alexxandr [17]

Answer:

6/35

Step-by-step explanation:

change 2/5 to 14/35 so the denominators are even.

after that you get -8/35+14/35

then you get 6/35

8 0
2 years ago
Read 2 more answers
40
kkurt [141]

Answer : 70

Step-by-step explanation: because  40 +30 and the biggest number in the chart  is 7 just add a 0 and it becomes 70

3 0
2 years ago
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