2 years ago

How can you prove the triangles congruent below given the following

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

8 0

Answer:

i think is sas......i hope im not wrong

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3 years ago

Is (1, 3) a solution to the system of inequalities below?

Oxana [17]

<h3>Substitute and Check:</h3>

$y > 2x + 1 \\ 3 > 2(1) + 1 \\ 3 > 3 \\ false$

<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>

$y < - 3x \\ 3 < - 3(1) \\3 < - 3 \\ also \: false$

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2 years ago

If a solid cube has a density of 6.3 grams per millimeter and a volume of 30 millimeters, how much is it's mass?

agasfer [191]

density= mass/volume

mass= densiy x volume

mass= 6.3 g/mm^3 x 30mm^3= 189 g

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3 years ago

Michelle’s house is 22 miles due north of Jan’s house and 30 degrees northeast of Richard’s house. Richard’s house is due east o

tensa zangetsu [6.8K]

Answer:

Michelle’s house is 44 miles to Richard’s house.

Step-by-step explanation:

The distance can be found out by using the trigonometric ratio of sine theta

Sine theta= Perpendicular/ Hypotenuse

We know the values of hypotenuse and theta

Sine 30 = 22/ Hypotenuse

Hypotenuse= 22/ sine 30

Hypotenuse= 22/0.5

Hypotenuse = 44

The hypotenuse marks the distance between Michelle’s house to Richard’s house. Due east means counter clockwise rotation from east.

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3 years ago

If x + 2y = 8 and x is twice the value of y, what is x – y?

mezya [45]

Answer:

Step-by-step explanation:

x=4 and y=2

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3 years ago