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3 years ago

Select all statements that apply to each type of quadrilateral.

Mathematics

1 answer:

Degger [83]3 years ago

4 0

Answer:Bisect the angles, bisect each other, are congruent, or perpendicular

Step-by-step explanation:

The diagonals of a square...

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Is (4,2) a solution to the system y-x=2 and -3x -2y= -8

mash [69]

To figure out the answer here, all you have to do is plug the given point into your equations and see if the result is true:

(4, 2) .... aka (x, y)

2 - 4 = 2
-2 = 2 ... this one is FALSE, as -2 doesn't equal 2, so already you can tell that the point won't be a solution, but still, check the second equation.

-3(4) - 2(2) = -8
-12 - 4 = -8
-16 = -8 .... this one is also false. (4, 2) is not a solution for this system of equations.

3 0

4 years ago

Given the center (-11,-3) and r = 4, write an equation for the circle in standard form

grandymaker [24]

this is it :

${(x - 11)}^{2} + {(y - 3)}^{2} = 16$

7 0

4 years ago

A 16\dfrac1216 2 1 ? 16, start fraction, 1, divided by, 2, end fraction kilometer stretch of road needs repairs. Workers can rep

alexdok [17]

Answer: It will take $7\dfrac{1}{3}$ weeks to repair this stretch of road.

Step-by-step explanation:

Since we have given that

Part of road needs repair = $16\dfrac{1}{2}=\dfrac{33}{2}$

Part of road worker can repair per week = $2\dfrac{1}{4}=\dfrac{9}{4}$

We need to find the number of weeks that it will take to repair this stretch of road.

So, Number of weeks is given by

$\dfrac{33}{2}\div \dfrac{9}{4}\\\\=\dfrac{33}{2}\times \dfrac{4}{9}\\\\=\dfrac{66}{9}\\\\=\dfrac{22}{3}\\\\=7\dfrac{1}{3}$

Hence, it will take $7\dfrac{1}{3}$ weeks to repair this stretch of road.

5 0

3 years ago

Read 2 more answers

Calculate the area shaded.<br> To three decimal places

Georgia [21]

Answer:

$\approx 116 \: {cm}^{2}$

Step-by-step explanation:

Radius of the internal circle $r_1=2.3 \: cm$

Radius of the external circle $r_2=6.5 \: cm$

Area of the shaded region = Area of external circle - Area of internal circle.

$= \pi r_{2}^{2} - \pi r_{1}^{2} \\ \\ = \pi \{ r_{2}^{2} - r_{1}^{2} \} \\ \\ = \pi \{ (6.5)^{2} - (2.3)^{2} \}\\ \\ = 3.14\{ (6.5 + 2.3) (6.5 - 2.3) \}\\ \\ = 3.14\{8.8 \times 4.2 \}\\ \\ = 116.0544 \\ \\ \approx 116 \: {cm}^{2}$

5 0

2 years ago

A package of 3 notebooks cost $5.46. At that rate, how much money would a package of 5 notebooks cost?

castortr0y [4]

5.46 ÷ 3 = 1.82
1.82 x 5 = 9.1
The answer is "9.10"

4 0

4 years ago