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dezoksy [38]
3 years ago
9

There are 20 cars in Thomas's toy car collection. Four-Fifths of the cars are blue. How many blue cars does he have?

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

I think 15.

Step-by-step explanation:

20 ÷ 5=4 and 5 × 3=15.

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550 is the answer to the math problem
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3 years ago
work out the area of this quarter circle take p2b 3.14 to and read and other digits given by a calculator ​
ad-work [718]

Answer:

Step-by-step explanation:

area of a full circle is A = πr²

so a quarter of a circle area is A = πr²/4

A = 3.142(7²)/4

A = 38.4895 cm²               picture answer

Using π =  3.14 results in

A = 3.14(7²)/4

A = 38.465 cm²                  written question answer

For comparison purposes,

Carrying the precision of π into many more significant digits results in

A = 38.484510006474...cm²

4 0
3 years ago
Does bin width matter when it comes to histograms? Why or why not?
maw [93]

Answer:

Avoid histograms with small bin widths that group data into lots of bins. A histogram constructed with small bin widths will show the distribution as a “pancake.” so no it does not help us see the pattern in the data.

Step-by-step explanation:

4 0
3 years ago
Write the following equation in standard form: y + 4 = -3(x + 2)
Irina18 [472]

Answer:

-3x-y=10

Step-by-step explanation:

y+4=-3(x+2)

y+4=-3x-6

y=-3x-6-4

y=-3x-10

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5 0
3 years ago
A polygon has 9 sides. What is the sum of the measure of the exterior angles of the polygon?
Karolina [17]
The sum of the exterior angle of the polygon is not dependent on the number of sides. It will always take the value of one revolution or 360 degrees. Thus, for the question above, the sum of the measures of the exterior angles of a 9-sided polygon is 360 degrees. 
4 0
3 years ago
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