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2 years ago

The diameter of a wheel on a car is 16 inches. What is the circumference of the wheel? Use 3.14 for pi.

Mathematics

1 answer:

Umnica [9.8K]2 years ago

3 0

Answer:

The circumference of the wheel is 50.24 inches

Step-by-step explanation:

What I did was divide the diameter by two (Because you need to radi to get the diameter) to be sure of the answer. I then, multiplied the diameter by 3.14 to get 50.24in.

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24x____=8x3/10. What goes in the space

skad [1K]

24x___ = 2.4
24/2.4 = 0.1
24x0.1 = 8x3/10
2.4 = 2.4

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3 years ago

The equation y = 8x + 12, where x is the number of hours and y is the total cost, represents what the surf instructor charges fo

Lelu [443]

We know from the slope intercept form that y=mx+b so the y intercept is 12 while every hour the cost goes up by 8

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2 years ago

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Round to the nearest tenth.

laila [671]

Answer:

8.2 units

Step-by-step explanation:

Given that the only information for our triangle are 2 sides and 1 angle, we must use the Law of Cosines to find side BC

Recall the Law of Cosines

$a^2=b^2+c^2-2bc\cdot cos(A)$

Identify angles and sides

$m\angle A=23^\circ\\a=BC=?\\b=AC=14\\c=AB=6$

Solve for side "a"

$a^2=b^2+c^2-2bc\cdot cos(A)\\\\a^2=14^2+6^2-2(14)(6)\cdot cos(23^\circ)\\\\a^2=196+36-168cos(23^\circ)\\\\a^2=222-168cos(23^\circ)\\\\a=\sqrt{222-168cos(23^\circ)}\\ \\a\approx8.2$

Therefore, the length of line segment BC is about 8.2 units

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2 years ago

Ken painted 14 meters of fencing in 1 hour. How many centimeters of fencing can he paint in 45 minutes?

Andrew [12]

Answer:

Step-by-step explanation:

3 0

2 years ago

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Can you use any two of the given data points in a scatter plot to write an equation for a trend line? Explain.

poizon [28]

Answer:

Use graph paper to create a scatter plot. Draw the x- and y- axes, ensure they intersect and label the origin. Ensure that the x- and y- axes also have correct titles. Next, plot each data point within the graph. Any trends between the plotted data sets should now be evident.

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2 years ago