2 years ago

Round your answers to the nearest hundredth

Mathematics

1 answer:

ivolga24 [154]2 years ago

8 0

Answer:1.)100

2.)200

3.400

Step-by-step explanation:

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Prove that the following four points will form a rectangle when connected in order

Lemur [1.5K]

Answer:

Step-by-step explanation:

If the diagonals of the rectangle are congruent,

AC = BD

By using formula to calculate the distance between two points,

Distance between two points = $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Distance between A(0, -3) and C(2, 8),

AC = $\sqrt{(8+3)^2+(2-0)^2}$

= $\sqrt{125}$

= $5\sqrt{5}$

Similarly, distance between two points B(-4, 0) and D(6, 5),

BD = $\sqrt{(5-0)^2+(6+4)^2}$

= $\sqrt{125}$

= $5\sqrt{5}$

Therefore, both the diagonals are congruent.

Hence, given quadrilateral ABCD is a rectangle.

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3 years ago

Scientists discovered a large star 113,000 light years from Earth. A light

Oxana [17]

Answer: 6.6444 × 10^16

7 0

3 years ago

What is the fraction and decimal

vfiekz [6]

The fraction is 1/15 and the decimal is 1.15

5 0

3 years ago

Solve with using elimination <br>3х + 5y = 54<br>6х +4y = 72

pickupchik [31]

Answer:

Step-by-step explanation:

(3х + 5y = 54)-2 times by -2

6х +4y = 72

-6х + -10y = -108 now combine the equations

6х + 4y = 72

-6y = -36 now divide

y = 6

Plug 6 in 6х +4 * 6 = 72

x=8

6 0

2 years ago

What is the soultion to the linear system y=2x and y=x+4

uranmaximum [27]

Answer:

x = 4; y = 8

Step-by-step explanation:

y=2x

y=x+4

2x = x + 4

x = 4

y = 2x = 2(4)

y = 8

Solution: x = 4; y = 8

5 0

2 years ago