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gtnhenbr [62]
2 years ago
13

What is the measure of arc QSR?

Mathematics
2 answers:
Ludmilka [50]2 years ago
8 0

Answer:

i need a picture for this problem.

Step-by-step explanation:

earnstyle [38]2 years ago
4 0

Answer:

250°

Step-by-step explanation:

Got it right on edge

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Ann is adding water to a swimming pool at a constant rate. The table below shows the amount of water in the pool after different
N76 [4]

Answer:

(a)  As time increases, the amount of water in the pool increases.

     11 gallons per minute

(b)  65 gallons

Step-by-step explanation:

From inspection of the table, we can see that <u>as time increases, the amount of water in the pool increases</u>.

We are told that Ann adds water at a constant rate.  Therefore, this can be modeled as a linear function.  

The rate at which the water is increasing is the <em>rate of change</em> (which is also the <em>slope </em>of a linear function).

Choose 2 ordered pairs from the table:

\textsf{let}\:(x_1,y_1)=(8, 153)

\textsf{let}\:(x_2,y_2)=(12,197)

Input these into the slope formula:

\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{197-153}{12-8}=\dfrac{44}{4}=11

Therefore, the rate at which the water in the pool is increasing is:

<u>11 gallons per minute</u>

To find the amount of water that was already in the pool when Ann started adding water, we need to create a linear equation using the found slope and one of the ordered pairs with the point-slope formula:

y-y_1=m(x-x_1)

\implies y-153=11(x-8)

\implies y-153=11x-88

\implies y=11x-88+153

\implies y=11x+65

When Ann had added no water, x = 0.  Therefore,

y=11(0)+65

y=65

So there was <u>65 gallons</u> of water in the pool before Ann starting adding water.

3 0
2 years ago
Read 2 more answers
How do you translate this sentence into an inequality?
iren [92.7K]
5/8x\leq 15
8 0
3 years ago
Read 2 more answers
Can someone help me with the median....
Naddik [55]

Answer:

6

Step-by-step explanation:

its 6 because half way between 5 and 7 is 6

7 0
3 years ago
Which graph represents an even function?
xxMikexx [17]

Answer:

last graph

Step-by-step explanation:

Graphs of functions that are ODD, are symmetric about the origin.

Graphs of function that are EVEN, are symmetric about y-axis.

We need to figure out which one of the 4 are EVEN. So we take y-axis as the mirror and see both sides, LEFT and RIGHT and see i the points are symmetric or not.

Graph 1, 2, 3  ----  not symmetric about y-axis

Graph 4  -------  Definitely every point to left side of y-axis has a corresponding mirror point to the right of y-axis. So this is an EVEN FUNCTION.

6 0
3 years ago
Read 2 more answers
Elaines car showed that her gas tanks was 6/8 full her car can hold 12 gallons how many gallons were there when she look at the
Soloha48 [4]
You have to find an equivalent denominator.  The two fractions are 1/12 and 6/8. I'll show you some work.


6/8 ; 12/16 ; 18/24

1/12 ; 2/24

Now that we know the denominator is 24, we can simplify 18/24.

18/24 ; 9/12

Your answer should be 9/12. Hope this helps! :)
7 0
2 years ago
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