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3 years ago

(BRAINLIEST)PLEASE HELP ASAP!!

Mathematics

1 answer:

zepelin [54]3 years ago

4 0

Answer:

(0, <u>3</u>), (2, <u>-1</u>), (-6, <u>15</u>)

Step-by-step explanation:

I recommend you use desmos scientific calculator for these problems.

So first you'll wan't to plug in the expression:

y=-2x+3

Then you''l want to put x= then the domains.

x=0, 2 or -6. (it doesn't matter as long as you put them in one at a time.)

youll then get each answer as you plug the numbers in.

x=0 y=3

x=2 y=-1

x=-6 y=15

Sorry if it wasn't clear to understand I'm doing my work at the same time as helping others.

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What is the smallest whole number larger than the perimeter of any triangle with a side of length 5 and a side of length 19?

vivado [14]

Answer:

Step-by-step explanation:

The maximum third side length of a triangle with two sides 5 and 19 is 5+19-1=23. Therefore, the maximum perimeter of a triangle with the two side lengths given is 5+19+23=47.

The smallest whole number larger than this is 48.

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3 years ago

Solve for y: 32 5yi = 16x - 40i

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If you would like to solve 32 + 5yi = 16x - 40i for y, you can do this using the following steps:

<span>32 + 5yi = 16x - 40i
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3 years ago

The longest side of the triangle section is 4 feet shorter than twice the shortest side. The third side is 3 feet longer than th

Katarina [22]

<h3>Answers:</h3><h3>The shortest side is 15 ft</h3><h3>The middle side is 18 ft</h3><h3>The longest side is 26 ft</h3>

===========================================

Define the three sides to be a,b,c such that a < b < c

So c is the longest side, and 'a' is the shortest with b in the middle.

"longest side is 4 ft shorter than twice the shortest side" means that c = 2a-4

"third side is 3 ft longer than the shortest side" so b = a+3

Both b and c are in terms of 'a', allowing us to do substitutions like so

a+b+c = perimeter

a+b+c = 59

a+(a+3)+c = 59 .... first substitution, plug in b = a+3

a+(a+3)+(2a-4) = 59 ... second substitution, plug in c = 2a-4

4a-1 = 59 .... combine like terms

4a = 59+1 ... add 1 to both sides

4a = 60

a = 60/4 ... divide both sides by 4

a = 15

The shortest side is 15 ft

b = a+3 = 15+3 = 18

The middle side is 18 ft

c = 2a-4 = 2*15-4 = 26

The longest side is 26 ft

---------------------

Check:

The three sides should add up to a perimeter of 59 ft

a+b+c = 15+18+26 = 59

so the answer is confirmed

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