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3 years ago

Louise skip counts by 4 on a number line to find 5 x 4. How many jumps should she draw on the number line?

Mathematics

1 answer:

PIT_PIT [208]3 years ago

6 0

It is 5 since u need to jump 5 times 4,8,12,16,20=5 times 4

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Find the other endpoint of the line segment with the given endpoint and midpoint.

BARSIC [14]

Answer:

Step-by-step explanation:

16, -11

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3 years ago

HELP ME PLEASE. explain step by step

andrew11 [14]

Use the order of operations!
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4 years ago

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This figure is made up of a quadrilateral and a semicircle.

Arturiano [62]

Answer:

The correct option is B. The area of the figure is 40.4 units².

Step-by-step explanation:

The line AB divides the figure in two parts one is a rectangle and another is semicircle.

The distance formula is

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The length of AB is

$AB=\sqrt{(2+3)^2+(4-2)^2}=\sqrt{25+4}=\sqrt{29}$

The length of AD is

$AD=\sqrt{(-1+3)^2+(-3-2)^2}=\sqrt{4+25}=\sqrt{29}$

Since AB=AD, therefore ABCD is a square. The area of the of square is

$A_1=a\times a=\sqrt{29}\times \sqrt{29} =29$

The area of square is 29 units².

The area of a semicircle is

$A_2=\frac{\pi}{2}r^2$

Since AB is the diameter of the semicircle, therefore the radius of the semicircle is

$r=\frac{d}{2}=\frac{\sqrt{29}}{2}$

The area of the semicircle is

$A_2=\frac{3.14}{2}(\frac{\sqrt{29}}{2})^2=40.3825$

The area of the figure is

$A=A_1+A_2=29+11.2825=40.3825\approx 40.4$

Therefore the area of the figure is 40.4 units². Option B is correct.

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3 years ago

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2 years ago

a TV has a listed price of 813.95 before tax if the sales tax rate is 6.5% find a total cost of the tv with the sales tax includ

shusha [124]

The tax is 6.5% OF the listed price. "OF" in math means multiply.

First convert the percentage to a decimal

6.5% = .065

Then multiply .065*813.95 = 52.90675. This is the tax.

Simply add the tax onto the cost

813.95 + 52.90675 = $866.86 (rounded)

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3 years ago

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