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Pavlova-9 [17]
3 years ago
7

The table shows the hours Gina worked during October and November. Select ALL correct statements.

Mathematics
1 answer:
Vladimir79 [104]3 years ago
3 0
124 would be the smartest choice
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If we look at our values for X and Y in the example problem, we see that we have -2 and 8. If X is -2, then 8 is 10 digits larger than -2. So, if X is 0, Y is 10.
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What is the equation for this graph’s lone of best fit. <br> this is due today pls help
Natasha2012 [34]

Answer:

I don't know if your question is multiple choice or not but here's a close estimate to what it should be.

y = \frac{3}{4} x  

Step-by-step explanation:

Obviously at a drop of 0 height there would be 0 rebound height so your y-intercept has to be 0.

As for the slope of the line I used the point at 2.5 and 3.

Here are the coordinates (2.5, 1.25) and (3, 1.625)

Find the average rate of change as you see below

1.625 - 1.25 = .375

3 - 2.5 = .5

.375 / .5 = .75 or 3x/4

The points aren't exactly on the line and the graph isn't 100% linear so obviously the equation is not 100% precise. The slope should very close to 0.75 or 3/4.

3 0
3 years ago
Please help, algebra is annoying
padilas [110]
The zeros are the x-intercepts, which are -2 and 4.

The axis of symmetry is x = 1

The vertex of the graph is (1,9)
7 0
3 years ago
The
stepan [7]

Answer:

Area = 129.5m^2

Perimeter = 48m

Step-by-step explanation:

Given

See attachment

Required

Determine the area and the perimeter of the garden

Calculating Area

First, we calculate the area\ of\ the\ rectangle

A_1 = L * B

Where:

L = 20-(3.5 +3.5)

B = 7

So:

A_1 = (20 - (3.5 + 3.5)) * 7

A_1 = (20 - 7) * 7

A_1 = 13 * 7

A_1 = 91

Next, we calculate the area of the two semi-circles.

Two semi-circles = One Circle

So:

A_2 = \pi r^2

Where

r = \frac{7}{2}

A_2 = \frac{22}{7} *  (\frac{7}{2})^2

A_2 = \frac{22}{7} *  \frac{49}{4}

A_2 = \frac{22}{1} *  \frac{7}{4}

A_2 = \frac{22*7}{4}

A_2 = \frac{154}{4}

A_2 = 38.5

Area of the garden is

Area = A_1 + A_2

Area = 91 + 38.5

Area = 129.5m^2

Calculating Perimeter

First, we calculate the perimeter of the rectangle

But in this case, we only consider the length because the widths have been covered by the semicircles

P_1 = 2 * L

Where:

L = 20-(3.5 +3.5)

So:

P_1 =2 * (20-(3.5 +3.5))

P_1 =2 * (20-7)

P_1 =2 * 13

P_1 =26

Next, we calculate the perimeter of the two semi-circles.

Two semi-circles = One Circle

So:

P_2 = 2\pi r

Where

r = \frac{7}{2}

P_2 = 2 * \frac{22}{7} * \frac{7}{2}

P_2 = \frac{2 * 22 * 7}{7 * 2}

P_2 = \frac{308}{14}

P_2 = 22

Perimeter of the garden is

Perimeter = P_1 + P_2

Perimeter = 26 + 22

Perimeter = 48m

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3 years ago
The price of a gallon of unleaded gas was $2.89 yesterday. Today, the price fell to $2.84. Find the percentage decrease. Round y
Rus_ich [418]

Answer:

2.89 rounded is 3 2.82 rounded is 2.80 which = 2.8 you minus 3-2.8 it = 0.2

Step-by-step explanation:

5 0
3 years ago
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