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3 years ago

Can someone please help me with this!!!

Mathematics

2 answers:

Furkat [3]3 years ago

7 0

SAS

I believe is the answer.

trasher [3.6K]3 years ago

7 0

I want to say HL. Because the HL congruence thereom, includes the right triangle congruence.

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A runner runs a distance of 450 metres in a time of 50 seconds. What is his average speed?

vekshin1

Answer:

0.279 miles / 0.449 km

Step-by-step explanation:

convert the meters into miles/kilometers to get your answer

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2 years ago

What is the distance between points A and B shown in the graph below

Bas_tet [7]

Answer:

$D = 7\sqrt 2$

Step-by-step explanation:

Given

$A = (-3,-4)$

$B = (4,3)$

Required

The distance between them

This is calculated as:

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

So, we have:

$D = \sqrt{(3-(-4))^2+(4-(-3))^2}$

$D = \sqrt{7^2+7^2}$

$D = \sqrt{2(7^2)}$

$D = 7\sqrt 2$

3 0

3 years ago

What is the simplified expression for 4 to the power of negative 3 multiplied by 3 to the power of 4 multiplied by 4 to the powe

blondinia [14]

Writing out: 4 to the power of negative 3 multiplied by 3 to the power of 4 multiplied by 4 to the power of 2 whole over 3 to the power of 5 multiplied by 4 to the power of negative 2

(4^(-3) * 3^4 * 4*2) / (3^5 * 4^(-2))

= (4^(-3+2) * 3^4) * 3^(-5) * 4^2

= 4^(1) * 3^(-1)

= 4/3

b. 4 over 3

8 0

3 years ago

A rectangle on a coordinate plane has vertices Q(-1, 1), R(6,1), S(6,-8), and T(-1,-8). What are the dimensions of the rectangle

xeze [42]

Answer:

The length is 9.

The width is 7.

Step-by-step explanation:

A rectangle has two dimensions.

The width, which is the distance between the points who have the same value of y.

The length, which is the distance between the points who have the same value of x.

Distance between 2 points:

Points (a,b) and (c,d).

$D = \sqrt{(c-a)^{2} + (d-b)^{2}}$

Same value of x:

(-1,1), (-1-8) or (6,1), (6,-8)

The distance for both of them is the same, can calculate for only one.

$L = \sqrt{(6-6)^{2} + (-8 - 1)^{2}} = \sqrt{81} = 9$

The length is 9.

Same value of y:

(-1,1), (6,1) or (6,-8), (-1,-8)

$W = \sqrt{(6 - (-1))^{2} + (1 - 1)^{2}} = \sqrt{49} = 7$

The width is 7.

6 0

3 years ago

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50+5w+20m what is the coefficient variable and constant in this expression

Rainbow [258]

Coefficients are ,5,20 variables are w,m and constant is 50

3 0

3 years ago

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