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timama [110]
3 years ago
11

GUYS PLEASE ANSWER! I'M DESPERATE! WILL MARK BRAINLIEST

Mathematics
2 answers:
uysha [10]3 years ago
8 0
A. Graph B because the slope is at a constant rate
B. Graph A because since it is slowly opened the rise of the slope starts of small then rises more
C. Graph C since it’s opened a lot the beginning and closed at the end so the rise would start high then go lower as time goes by
baherus [9]3 years ago
3 0

Answer:

A) The graph that best represents the amount of water in the barrel filled by the green hose is graph B. I know this because the green hose is filling the barrel at a constant rate, and graph B shows a constant rate of change, as it's a perfectly straight line increasing.

B) The graph the best represents the amount of water in the barrel filled by the black hose is graph A. This is because the information states that the black hose filled the water at a slow rate at first, since it was slowly being opened, and graph A clearly depicts the rate slowly increasing.

C) The graph that best represents the amount of water in the barrel filled by the blue hose is graph C. I know this because the information states that the blue hose is filling up the barrel normally, but is then slowly closed towards  the end. Graph C clearly shows the rate increasing then slowing down.

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Please help ASAP, dhdbhehd
Fynjy0 [20]

Answer:

42°

Step-by-step explanation:

all triangles have 180 degrees, you are given 48. the symbol above 48 tells you it is 90 degrees. ther fore you can use 180- 90 - 48= 42

6 0
3 years ago
Find the reflex angle 150 degrees ?​
34kurt

A reflex angle is equal to the sum of 180 degreesand any of the primaryangles (acute, right andobtuse angles). Therefore, Reflex angle = 180° + Acute angle.

First, make sure that it is the reflex angle you’re being asked to measure! Lots of children mistakenly, but very carefully measure the wrong angle. Usually, the angle you’re being asked to measure will have a little circle drawn around the point to show you which side needs measuring

2. Make a small mark on your paper to show where 180° is. If you want to, you could even draw a faint line to show the 180° line.

3.You now need to measure the remainder. Using the outside scale on your protractor, measure the angle from the 180° line you have drawn to the second line you have been given (in this case y to x).

4. Add together 180° to the second measurement and this will be your reflex angle.

5. If you want to check your answer, measure the inside angle and check that the two measurements added together equal 360°.

6 0
2 years ago
A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance tra
alina1380 [7]

Answer:

1.734

Step-by-step explanation:

Given that:

A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles).

The fitted regression is Time = −7.126 + .0214 Distance

Based on a sample size n = 20

And an Estimated standard error of the slope = 0.0053

the critical value for a right-tailed test to see if the slope is positive, using ∝ = 0.05 can be computed as follows:

Let's determine the degree of freedom df = n - 1

the degree of freedom df = 20 - 2

the degree of freedom df =  18

At the level of significance ∝ = 0.05 and degree of freedom df =  18

For a right tailed test t, the critical value from the t table is :

t_{0.05, 18} = 1.734

5 0
3 years ago
HELP! will mark BRAINILEST !
Sedbober [7]
I like A as the best one

420 = 100*price - (fixed costs)
220 = 60*price - (fixed costs)

If we subtract one from the other one, we get 200 = 40*price, price = 5
that said, fixed costs are 500 - 420 = 80

Now if we move -220 to the right in Answer A, we'll get:

y = 5x -300 + 220 = 5x - 80

So it looks like A describes the model best
6 0
3 years ago
Write the equation in function form (solved for y alone) 2y - 8x = 6.
kkurt [141]

Answer:

Move all terms that don't contain  y  to the right side and solve.

y  =  3  +  4 x

5 0
2 years ago
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