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Mathematics

1 answer:

Oxana [17]3 years ago

5 0

The total of a triangle must be 180 degrees, so since c = z, then z is 35 degrees, add that to the 65 degrees of angle x to get 100, so the angle must be an 80 degrees, so angle y is 80 degrees

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Nathan and his brother Zach love to play video games. Right now, Nathan's score is 11 less than 2 times Zach's score.-example, i

sashaice [31]

Zach's score, Z, and Nathan's score, N, are related by the formula

2Z-11=N.

This is further explained below.

<h3>What are algebraic expressions?</h3>

Generally, Assume Nathan has a score of N and Zach has a score of Z.

Zach's score is 11 points higher than Nathan's.

It implies,

N equals twice of Z minus 11.

We may format it as follows:

2Z - 11 = N

There are now four possible outcomes for these two brothers' scores:

Zach's score will be determined using algebraic formulas if Nathan's score is 81.

2Z - 11 = 81

2Z = 92

Z = 46

Zach's score will be 61 if Nathan receives a score of 111.

Zach's score will be 121 if Nathan's score is 231 or higher.

Zach's score will be 456 if Nathan's score is 901.

The formula 2Z - 11 = Z is a rule that connects Nathan's and Zach's scores.

Visit to learn more about algebraic expressions.

brainly.com/question/953809

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5 0

1 year ago

Which ordered pair is the solution to the system of equations?

denis23 [38]

X+y=-1
x-3y=11
------------- (subtract equation)
4y = -12
y = -12/4
y= -3
-------------- (substitute y)

x-3=-1
x=-1+3
x=2

Answer ----> A (2,-3)

-5x-3y=12
x-3y=-6

you want to multiply the top equation by -1 to swap the signs and make the x's positive like the bottom equation

5x+3y=-12
x-3y=-6

then you have to multiply every value in the bottom equation by 5 so you are able to subtract it from the top equation

5x+3y=-12
5x-15y=-30
---------------- (subtract)
18y=18
y=18/18
y=1
------------------ (substitute y)
x-3=-6
x=-6+3
x=-3

answer = (-3,1)

7 0

3 years ago

a soup recipe uses 6 cups of water, 4 cups of tomato sauce, and 5 cups of tomato puree. how many cups of tomato sauce are there

Free_Kalibri [48]

6 cups of water : 4 cups of tomato sauce
1 cup: 4/6 tomato sauce
There are 2/3 cups of tomato sauce for every cup of water.

5 0

3 years ago

Read 2 more answers

Write a linear equation for the table above. Use y=mx+b format

Usimov [2.4K]

Answer:

y=7x-3