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tester [92]
3 years ago
14

Hi! Need help rly quick ☺️, will mark brainilest!!

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

Subtract -4x on both sides to get to -2y=-4x-8, then you should divide -2 into both sides to get to the slope of y=2x+4 since two negatives would equal to a positive when dividing and multiplying.  Because the slope is positive, it is safe to assume that the first two options A and B are the best options due to their slopes being positive and going up.  The y-intercept is 4 which makes the answer A because on 0 it is on the positive side.

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Find the percent of change from
Mashcka [7]

Answer:

option 4

Step-by-step explanation:

Percent change is calculated as

\frac{change}{original} × 100%

change = 15 - 10 = 5 , then

percent change = \frac{5}{10} × 100% = 5 × 10% = 50%

8 0
2 years ago
Mrs. Williams is knitting a blanket for her newborn granddaughter. The blanket is 2.25 meters long and 1.8 meters wide. What is
LuckyWell [14K]
To find the area, you will need to times the length with the width. 

So,

2.25*1.8=4.05 meters 

1m=100cm

4.05m=405cm

Hope this helps.
5 0
2 years ago
Anyone know what -2 1/2 ÷ 6 is?
Roman55 [17]

Answer:

-1/6

Step-by-step explanation:

-21/2÷6

-2 x 1/2 x1/6

-2x1/12

-1/6

please mark brainliest

5 0
2 years ago
Bob and sarah need to paint a fence. bob can paint the fence in 4 hours and sarah can paint the fence in 2.5 hours. if they work
zysi [14]
If Bob can paint the fence in 4 hours, then in 1 hour he gets 1/4 of the fence painted.  If Sarah can paint the fence in 2.5 hours, then she gets 2/5 of the fence painted in one hour (1/2.5 = 2/5).  We add those amounts together and set them equal to 1/x, x being the the total time it will take them to paint the whole fence.  1/4 + 2/5 = 1/x.  Find a common denominator first, then add the left side together.  5/20 + 8/20 = 1/x.  13/20 = 1/x.  Cross-multiply to get 13x = 20 and x = 1.54 hours, just a bit over an hour and a half.
7 0
3 years ago
Convert 0.7135 to minutes and seconds
Tasya [4]
0.7135 minutes = 42.81 seconds
0.7135 seconds = 0.0118916667 seconds

Is this the sort of thing that you were asking for...?
5 0
3 years ago
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