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3 years ago

Choose the equation below that represents the line that passes through the point (7, −2) and has a slope of −3.

2 answers:

7 0

Point slope form
y-y1=m(x-x1)
slope=m
given point=(x1,y1)

slope=-3
point is (7,-2)

y-(-2)=-3(x-7)
y+2=-3(x-7)

3rd option

mylen [45]3 years ago

5 0

Answer:

Its y - 7 = -3(x + 2)

Step-by-step explanation:

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The scatter plot shows a correlation between the years and the rainfall in centimeters in Tennessee.

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Step-by-step explanation:

The <u>actual values</u> are shown on the given graph as <u>blue points</u>.

The <u>line of regression</u> is shown on the given graph as the <u>red line</u>.

From inspection of the graph, in the year 2000 the actual rainfall was 43 cm, shown by point (2000, 43). It appears that the regression line is at y = 50 when x is the year 2000.

⇒ Difference = 50 - 43 = 7 cm

<u>In 2000, the actual rainfall was </u><u>7</u><u> centimeters below what the model predicts</u>.

From inspection of the graph, in the year 2003 the actual rainfall was 44 cm, shown by point (2003, 40). It appears that the regression line is at y = 40 when x is the year 2003.

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<u>In 2003, the actual rainfall was </u><u>4</u><u> centimeters above what the model predicts.</u>

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2 years ago

you buy rice at 0.71 a pound one batch of fried rice requires 10 lb of rice how much does a rice for one batch cost

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3 years ago

Volume of sphere Marcus is using small stone spheres

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<h2>Volume of Sphere</h2>

1. What is the radius of the stone sphere?

- To know what is the radius divide is by 2.

$\large \tt 6 \div 2 = 3$

Therefore, the radius of the stone sphere is 3in

2. What is the volume of the stone sphere?

- Using the formula in finding the Volume of Sphere $\tt V = \frac{4}{3}\pi r^3$ to get the answer. Where the volume of the sphere is $\tt\frac{4}{3}\:\:\:\:\pi$ multiplied by the cube of the radius.

$\tt V = \frac{4}{3}\pi r^3$
$\tt V = \frac{4}{3}\times 3.14\times 3in^3$
$\tt V = \frac{4}{3}\times 3.14\times 27in$
$\tt V = \frac{4}{3}\times 84.78in$
$\tt V = \frac{339.12in}{3}$
$\tt V = 113.04in^3$

Therefore, the volume of the stone sphere is 113.04in³

3. Another stone sphere for the garden has a diameter of 10 inches. What is the volume of the stone sphere? Use 3.14 for <em>π</em>, and round to the nearest hundredth.

- Using the formula in finding the Volume of Sphere $\tt V = \frac{4}{3}\pi r^3$ to get the answer. Where the volume of the sphere is $\tt\frac{4}{3}\:\:\:\:\pi$ multiplied by the cube of the radius.

$\tt V = \frac{4}{3}\pi r^3$
$\tt V = \frac{4}{3}\times 3.14\times 5in^3$
$\tt V = \frac{4}{3}\times 3.14\times 125in$
$\tt V = \frac{4}{3}\times 392.5in$
$\tt V = \frac{1570in}{3}$
$\tt V = 523.33in^3$

<h3>Explanation</h3>

Therefore, the volume of the stone sphere is 523.33in³

<h3>#CarryOnLearning</h3>

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2 years ago

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