2 years ago

How to find x and y in Triangle congruence

Mathematics

1 answer:

Snezhnost [94]2 years ago

6 0

Answer:

watch the video

Step-by-step explanation:

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Solve this system algebraically.

seraphim [82]

From y-2x+3=0 we have y=2x-3
So we can replace y by 2x-3 in the equation: 9x+2y=5
And we have 9x+2(2x-3)=5
Or 9x+4x-6=5
and 13x=5+6
Or x=11/13, then y=2x-3= 2. 11/13-3=22/13-3= -17/13

So we have the answer <span>{(11/13, -17/13)}</span>

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2 years ago

If a car averages 21.8 miles per gallon, how many miles will it travel on 16 gallons of gas?

asambeis [7]

Answer: 348.8 miles on 16 gallons of gas

Step-by-step explanation:

Make the following proportion:

$\frac{21.8 miles}{1 gallon}$ = $\frac{x miles}{16 gallons}$

Since the car consumes gas at the same rate and only the amount of gas is changed, these two fractions must be equivalent. If the rate at which the car consumes gas changes, it would be different.

Use basic algebraic skills and you should get 348.8 miles.

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1 year ago

Suppose you removed the zero from each decimal below. Which decimal's value would be changed?

expeople1 [14]

Answer:

Step-by-step explanation: if you remove the 0 then you get 3.27

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2 years ago

Lateral area of a prism

olchik [2.2K]

<span> The surface area of a right prism can be calculated using the following formula: SA 5 2B 1 hP, where B is the area of the base, h is the height of the prism, and P is the perimeter of the base. The lateral area of a figure is the area of the non-base faces only.</span>

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2 years ago

A piece of art is in the shape of an equilateral triangle with sides of 25in. Find the area of the piece of art. Round your answ

mojhsa [17]

A= $\sqrt{3}/4$ * side length^2
A=270.663
The answer is B.

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2 years ago

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