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makvit [3.9K]
4 years ago
7

Sherry needs to sell T-shirts as a fundraiser for a charity. She starts with 40 T-shirts and begins selling at a constant rate o

f 5 T-shirts each day. Use the Segment tool to plot a graph representing the number of T-shirts Sherry has left to sell from the time she begins selling until the T-shirts are gone. Please give me the points on the graph thank youuu
Mathematics
2 answers:
SOVA2 [1]4 years ago
6 0
Your equation would be y = 5x + 40 because you already made 0 and are selling 5 each day

So some points you may use are (0, 40), (1, 45), (5, 65), (10, 90)

Hope this helps!
Rufina [12.5K]4 years ago
5 0

Answer:

The points would be:  (0, 40); (1, 35); (2, 30); (3, 25); (4, 20); (5, 15); (6, 10); (7, 5); (8, 0).

Explanation:

Sherry begins with 40 shirts before she sells any.  This gives us the point (0, 40), where the x-coordinate is the number of days and the y-coordinate is the number of shirts.

After 1 day, she has sold 5 shirts; this would give her 40-5 = 35 shirts left, giving us the point (1, 35).  

After 2 days, she has sold 5(2) = 10 shirts; this would give her 40-10 = 30 shirts left, giving us the point (2, 30).

After 3 days, she has sold 5(3) = 15 shirts; this would give her 40-15 = 25 shirts left, giving us the point (3, 25).

After 4 days, she has sold 5(4) = 20 shirts; this would give her 40-20 = 20 shirts left, giving us the point (4, 20).

After 5 days, she has sold 5(5) = 25 shirts; this would give her 40-25 = 15 shirts left, giving us the point (5, 15).

After 6 days, she has sold 5(6) = 30 shirts; this would give her 40-30 = 10 shirts left, giving us the point (6, 10).

After 7 days, she has sold 5(7) = 35 shirts; this would give her 40-35 = 5 shirts left, giving us the point (7, 5).

After 8 days, she has sold 5(8) = 40 shirts; this would give her 40-40 = 0 shirts left, giving us the point (8, 0).

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A low ratio results in a dry mix which is difficult to compact, with a risk of developing voids in the final concrete.
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It would have been appropriate to post this question in the Engineering section (if one is available).
6 0
4 years ago
Read 2 more answers
the Johnsons want to cover their backyard with new grass their backyard is rectangular with a length of 3x - 2 feet and a width
Andre45 [30]
<h2>Hello!</h2>

The answer is:

The area that the want to cover with new grass will be:

Area_{grass}=8x^{2} -12x-22

<h2>Why?</h2>

If we want to calculate what is the ara of the region of the backyard that they want to cover with new grass, we need to calculate the area of the backyard, calculate the area of the swimming pool and its patio, and the last step is to subtract the area of the swimming pool and its patio to the total area of the backyard.

So, to calculate the areas, we need to use the following formula:

Area=Length*Width

Also, we need to remember how the distributive property works, since we are going to need it.

We have that:

(a+b)(c+d)=ac+ad+bc+bd

We are given the following information:

For the backyard we have:

Length=3x-2\\Width=3x+1

For the swimming pool and its patio:

Since there it's not mentioned, let be the first expression the length, and the second one, the width.

Length=x+4\\Width=x+5

Then, calculating we have:

Backyard:

Area_{backyard}=(3x-2)*(3x+1)=9x^{2}+3x-6x-2=9x^{2}-3x-2

Swimming pool and patio:

Area_{swimmingpool}=(x+4)*(x+5)=x^{2}+5x+4x+20=x^{2}+9x+20

Now, calculating the area that they want to cover with new grass, we have:

Area_{grass}=Area_{backyard}-Area_{swimmingPool}\\\\Area_{grass}=(9x^{2}-3x-2)-(x^{2}+9x+20)\\\\Area_{grass}=9x^{2} -x^{2} -3x-9x-2-20\\\\Area_{grass}=8x^{2} -12x-22

Hence, we have that the area that the want to cover with new grass will be:

Area_{grass}=8x^{2} -12x-22

Have a nice day!

3 0
3 years ago
5.
Tasya [4]

Answer:

<STR = 38degrees

Step-by-step explanation:

Find the diagram attached

Complete Question:

In Rhombus QRST, diagonals RT and QS are drawn. If m<TSR = 104°, then which of the following is the measure of <SRT?

Sicne triangle STR is isosceles, hence the base angles are equal. Let the base angles be y

y+y+104 = 180

2y = 180-104

2y = 76

y = 38degrees

Since <STR = y, hence the measure of <STR = 38degrees

8 0
3 years ago
Maths<br><br> Anyone help me !?
Aliun [14]

Answer:

x = 36°

Step-by-step explanation:

interior angle of regular pentagon: 180 x (5-2) /5 = 540 / 5 = 108

∠C = 108

CD = CB     ∠CDB = ∠CBD = (180 - ∠C) /2

x = (180 - 108) / 2 = 36°

8 0
3 years ago
Read 2 more answers
17. The length of a rectangle is 12 in, and the perimeter is 56 in. Find the width of the rectangle.
Ivahew [28]

Answer:

Step-by-step explanation:

P = 2(L + W)

P = 56

L = 12

now sub...we are looking for w

56 = 2(12 + W)

56 = 24 + 2W

56 - 24 = 2W

32 = 2W

32/2 = W

16 = W <==== the width is 16 inches

check...

P = 2(L + W)

56 = 2(12 + 16)

56 = 2(28)

56 = 56 (correct)

4 0
3 years ago
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