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viva [34]
3 years ago
10

What is the solution to the following system?​

Mathematics
1 answer:
katrin2010 [14]3 years ago
7 0

Answer: C. x=0, y=2, z=5

Step-by-step explanation:

you can just plug in the numbers and see which ones work

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Need help asap !!!!!
Romashka [77]

Answer:

The answer is x = 5.

Step-by-step explanation:

Given:

Δ ABC is an Isosceles triangle with AB = CA

   m∠ ABC = ( 6x + 4 )°

   m∠ BAC = 73°

   m∠ BCA = ( 8y - 7 )°

To Find:

x = ?

Solution:

Properties of an Isosceles Triangle.

  1. Base angles or two angles are equal.
  2. Any two sides are equal.

Here , Δ ABC is an Isosceles triangle with AB = CA

∴  m∠ BAC = m∠ BCA

73= 8y-7\\8y=73+7\\8y=80\\y=\frac{80}{10} \\y=10

∴      m∠ BCA = ( 8y - 7 )°

                       = 8 × 10 - 7

       m∠ BCA  = 73  Which is same as ∠ CAB

Property of a Triangle is Sum of the measures of the angle of a triangle is 180°.

\angle ACB + \angle CAB + \angle CBA = 180

Substituting the values we get,

73 + 73 + (6x+4) = 180\\6x+4=180-146\\6x=34-4\\6x=30\\x=\frac{30}{6} \\x=5\\

The answer is x = 5.

7 0
3 years ago
In a video game, Bob can score 3 points (x) or 4 points (y) by hitting targets. To win the game he must score at least 20 points
MariettaO [177]
Well,

we know that we need to accumulate points from x and y to reach 20 points.

since x provide 3 and y provide 4 points, the formula would be :

3x + 4y = 20 

or it can be written as : 
y = (3x/4)+5

hope this helps
6 0
3 years ago
Read 2 more answers
(0- (-3))×(-1+5)÷(2- (-2))<br><br><br><br>due today pls answer ​
Stella [2.4K]

Answer:

2 days late

Step-by-step explanation:

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Describe the end behavior of f(x) = - 2 ^ (x + 3) - 1
PilotLPTM [1.2K]

Answer: the answer is an equation

Step-by-step explanation:

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3 years ago
(-2,-4) ;m =3 in point slope form please
zalisa [80]

\huge\boxed{y+4=3(x+2)}

Point-slope form is y-y_1=m(x-x_1), where m is the slope and (x_1,y_1) is a point on the line.

Substitute in the values. y-(-4)=3(x-(-2))

Simplify the negative subtraction to addition. \boxed{y+4=3(x+2)}

8 0
3 years ago
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