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3 years ago

PLSSS HELPPPPPPPP I NEEEED AN ANSWERRRRRR

Mathematics

2 answers:

Sedaia [141]3 years ago

7 0

Answer:

Step-by-step explanation

x+28=90 degree(being perpendicular)

x=90-28

x=62

Arlecino [84]3 years ago

4 0

Answer:

x=62

Step-by-step explanation:

The sum of x ,28, and 90 is 180 since it forms a straight line

x+28+90 = 180

Combine like terms

x+118 =180

Subtract 118 from each side

x+118-118 =180-118

x= 62

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What is the solution to the system of equations below?

disa [49]

The solution to the system of equation are x=2, y=0, z=6

<h3>System of equations</h3>

System of equations are equations that contains unknown variables.

Given the equations

3x+y+2z=8

8y+6z=36

12y+2z=12

From equation 2 and 3

8y+6z=36 * 1

12y+2z=12 * 3

______________

8y+6z=36

36y+6z= 36

Subtract

8y - 36y = 36 - 36

-28y =0

y = 0

Substitute y = 0 into equation 2

8(0)+6z=36

6z = 36

z = 6

From equation 1

3x+y+2z =8

3x + 0 + 2(6) = 8

3x = 8 - 12

3x = 6

x = 2

Hence the solution to the system of equation are x=2, y=0, z=6

Learn more on system of equation here: brainly.com/question/14323743

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2 years ago

Can u do this bro 100x7+8-678x56

Gelneren [198K]

PEMDAS 100 times 7 is 700 678 times 56 is 37968 700 +8 - 37968 -37260

7 0

3 years ago

Can someone help having trouble solving this question

Rzqust [24]

Answer:

if you pit the shape in a straight line it would be 180 degrees now take 180 take 130 and 100 and subtract those add that to the other 30 then take 180 divided by 60

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3 years ago

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Explain how to change 86% into an equivalent ratio written in simplest form

stepan [7]

Answer:

I can't explain here since I can't write numbers.

Step-by-step explanation:

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3 years ago

Given that y is directly proportional to x^2 and that y=2 when x=3 find the value of y when x=6

Sergio039 [100]

Answer:y=4/3

y is directly proportional to x^2 is written as

$y \alpha {x}^{2}$ introducing a constant,

y=kx^2

but from the question, when y=2 , x=3 . putting it in the formula to get the value of k

$2 = {3}^{2} \times k$

2=9k . dividing through by 9 to get the value of k

 $\frac{2}{9} = \frac{9k}{9}$ 

 $k = \frac{2}{9}$ 

putting it in the general expression

 $y = \frac{2}{9} x$ 

the value of y when x=6

 $y = \frac{2}{9} \times 6$ 

 $y = \frac{4}{3}$ 

therefore the value of y when x=6 is

4/3

3 0

3 years ago