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melamori03 [73]
4 years ago
11

The diameter of a penny is 19.05 mm. and the thickness is 1.52 mm. What is the approximate volume of the roll of pennies, to the

nearest tenth?

Mathematics
1 answer:
TiliK225 [7]4 years ago
7 0
Rounded to the nearest tenth would give you 46.36... around that. V=PieR^2h. Double check with this formula.

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Use the​ slope-intercept form to graph the equation y=-8/3x+3
masya89 [10]

Answer:

See below :)

Step-by-step explanation:

The easiest way to graph this is to find the x-intercept and y-intercept,

y-intercept:

The y-intercept is extremely easy to find as it's just the "b" in "y = mx + b"

If there is no b, it's (0,0). If there is a b, its (0,b)

This is because the y-intercept is where the lines hits the y-axis so we know x must be 0. We can plug in x as 0 to find y:

y = m(0) + b

y = b

In this case, the y-intercept is (0,3) because the b in y = -8/3x + 3

x-intercept:

The x-intercept requires a little more work. It's the same as the y-intercept. The x-intercept is where the lines hits the x-axis so we know y must be 0. The x-intercept is (x,0)

We can use this to plug in y as 0:

0 = mx + b

mx = -b

Now we use this to find the the x-intercept:

0 = -8/3x + 3

8/3x = 3

Divide both sides by 8/3:

x = 3 * 3/8

x = 9/8

In this case, the x-intercept is (9/8,0)

Now we can use these points and connect a line to them and then the lines keeps going forever. Look at the picture I uploaded :)

6 0
3 years ago
Kyle wants to find the equation of the line that passes through the points (1, –7) and (–1, 1) .
Harrizon [31]

Answer:  Option 'c' is correct.

Step-by-step explanation:

Since we have given that

There are two points as follows:

(1,-7)\ and\ (-1,1)

As we know the formula for "Two point slope form":

m=\frac{y_2-y_1}{x_2-x_1}

Now, we put the values in the above equation ,

m=\frac{1+7}{-1-1}\\\\m=\frac{8}{-2}\\\\m=-4

Now, we use this form "y=mx+b "

So,

-7=-4(1)+b\\\\-7+4=b\\\\-3=b

Hence, Option 'c' is correct.

4 0
3 years ago
One hat and Two shirts costs $21. Two hats and one shirt $18. Megan has exactly enough money to buy one hat and one shirt. How m
xxTIMURxx [149]

Suppose Megan has enough money to buy 1 hat and 2 shirts for $21 and then another 2 hats and 1 shirt for $18.  In total, she has bought 3 hats and 3 shirts for $39.  But she has enough for only 1 hat and 1 shirt and so Megan has 39 ÷ 3 = $13.

8 0
3 years ago
IT'S TIMED NEED HELP ASAP!! Find the measure of angle C
Yakvenalex [24]

Answer: 250 degrees

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
2x-x+7 = x+3+4 is it no solution, one solution. or multiple solution if one of 2 please tell me what is x
ololo11 [35]

Answer:

x = x

Step-by-step explanation:

Basically, if you simplify the equation, you'll get x + 7 = x + 7 which means x = x which means you will have an infinite amount of solutions since x can be anything.

7 0
4 years ago
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