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3 years ago

PLS HELP!!{The Picture Is In The Attachment}

Mathematics

1 answer:

mash [69]3 years ago

6 0

Answer:

B is 45 A is 135

Step-by-step explanation:

45 + 135 = 180

45 x 3 = 135

135 is three times as large as 45

135 and 45 are supplementary angles

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Which is the best estimate for the average rate of change for the quadratic function graph on the interval 0 ≤ x ≤ 4?

tatuchka [14]

Answer:

The best estimate for the average rate of change is $-2$

Step-by-step explanation:

we know that

the average rate of change using the graph is equal to

$\frac{f(b)-f(a)}{b-a}$

In this problem we have

$f(a)=f(0)=0$

$f(b)=f(4)=-8$

$a=0$

$b=4$

Substitute

$\frac{-8-0}{4-0}=-2$

4 0

3 years ago

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A bus travels at a constant speed. The following table shows the distance the bus travels (in kilometers) over a period of time

Olegator [25]

Answer:

315 km

Step-by-step explanation:

If the bus travels at constant speed, then the slope of the distance versus time graph can be calculated by using any two points from this table.

Let's use the points (0.5, 42) and (4.5, 378):

as we move from the first point to the second, t increases by 4 and y increases by 336. Thus, the slope of this graph is

m = rise / run = 336 km / 4 hr = 84 km/hr

then distance traveled = speed times time, or

distance traveled = (84 km/hr)t, where t is the elapsed time.

In 6 hours the bus would travel

( 84 km/hr )(6 hr) = 504 km, or approx. 315 mi

8 0

3 years ago

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What is the value of x?<br> Enter your answer in the box.<br><br> x =

larisa [96]

24^2 + 7^2 = 25^2 x = 25

5 0

3 years ago

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PLEASE EXPLAIN!

stepladder [879]

Answer:

Step-by-step explanation:

5(2)(3)-2(2)+13+7(2)-6(2)(3)-4(2)+(2)(3)

30-4+13+14-36-8+6

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The area of the region in the first quadrant between the graph of y = k*sin(x) and x-axis (where k > 0 ) on the closed interv

astraxan [27]

Note that $0\le k\sin x\le k$ in the given closed interval, so the area is exactly given by the definite integral

$\displaystyle\int_0^\pi k\sin x\,\mathrm dx$

(no absolute values needed!)

Integrating gives

$-k\cos x\bigg|_{x=0}^{x=\pi}=-k(\cos\pi-\cos0)=-k(-1-1)=2k$

8 0

3 years ago

*PLS HELP!!*{The Picture Is In The Attachment}​

PLS HELP!!{The Picture Is In The Attachment}