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Lostsunrise [7]
3 years ago
11

the tables show the typical number of minutes spent exercising each week for a group of fourth-grade students and a group of sev

enth-grade students
Mathematics
1 answer:
Ann [662]3 years ago
7 0
What table? please provide a picture and I'll try and answer.
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A medical clinic is reducing the number of incoming patients by giving vaccines before flu season. During week 5 of flu season,
8_murik_8 [283]

Answer:

f(x) = -6x +120

Step-by-step explanation:

Let's call y the number of patients treated each week

Let's call x the week number.

If the reduction in the number of patients each week is linear then the equation that models this situation will have the following form:

y = mx + b

Where m is the slope of the equation and b is the intercept with the x-axis.

If we know two points on the line then we can find the values of m and b.

We know that During week 5 of flu season, the clinic saw 90 patients, then we have the point:

(5, 90)

We know that In week 10 of flu season, the clinic saw 60 patients, then we have the point:

(10, 60).

Then we can find m and b using the followings formulas:

m=\frac{y_2-y_1}{x_2-x_1}   and b=y_1-mx_1

In this case: (x_1, y_1) = (5, 90) and (x_2, y_2) = (10, 60)

Then:

m=\frac{60-90}{10-5}

m=-6

And

b=90-(-6)(5)

b=120

Finally the function that shows the number of patients seen each week at the clinic is:

f(x) = -6x +120

7 0
3 years ago
Read 2 more answers
I need help for number 53
Monica [59]
You are correct. The answer is D 5:3
4 0
3 years ago
Read 2 more answers
12
adoni [48]

Answer:

i don't know sorry

Step-by-step explanation:

3 0
2 years ago
PLEASE HELP FAST<br><br> answers:<br><br> a.) 4 <br><br> b.) 10 <br><br> c.) 6 <br><br> d.) 1
VLD [36.1K]

Answer:

4

Step-by-step explanation:

There are 5 points. So there are 4 segments. The segments are the line between two points.

6 0
3 years ago
What is the vertex of the quadratic equation below? y=x^2-8x+1 Explanation?
scoray [572]

To find the vertex, you need to find the axis of symmetry first.

In order to find the axis of symmetry we have to do -b/2a.

In our case, the b is -8 and the a is 1.

Plug it in.

-(-8)/2(1)

8/2 = 4

Our axis of symmetry is 4.

Now, we plug it into the equation to find the rest of the vertex.

y = 4^2 - 8(4) + 1

y = 16 - 32 + 1

y = -16 + 1

y = -15

Put it together.

Our vertex is (4,-15).

3 0
3 years ago
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