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umka21 [38]
2 years ago
12

How do you find the value of x

Mathematics
2 answers:
inysia [295]2 years ago
5 0
45+45+x =180
(Because all triangles have a sum of 180)
90+x=180
Subtract 90 from both sides
X=90

CHECK
45+45+90= 180
zlopas [31]2 years ago
3 0

Answer:

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

Step-by-step explanation:

isnt the x a 90 degree angle?

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When solving this system of linear equations with the elimination method, you can multiply the bottom equation by 3.
tekilochka [14]

Answer: The correct option is A.

Explanation:

The system of equations is,

3x+6y=38

5x-2y=-30

When solving this system of linear equations with the elimination method, we can multiply the bottom equation by 3.

3(5x-2y)=3(-30)

This step works because according to the multiplication property of equality,

If,

a=b         ... (1)

Multiplied both side by m then,

ma=mb    ..... (2)

Then (1) and (2) are equivalent equations.

So, by multiplication property of equality, the second equation can be multiply by 3.

Therefore, he correct option is A.

3 0
3 years ago
Read 2 more answers
Please Help Me i beg
UNO [17]

Answer:

B is P(x)=(x-3)^2 +2

C is P(x)=(x-1)^2 -5

Step-by-step explanation:

i think i am right

5 0
2 years ago
Which graph best represents a function with a range of all real numbers less than or<br> equal to 7
Tamiku [17]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Please help NO LINKS
inn [45]

Answer:

(5,-6)

Step-by-step explanation:

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5 0
2 years ago
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Can someone please explain to me how to solve this?
lyudmila [28]
I hope this helps you



x= -2


h (-2)= 3. (-2)+1


h (-2)=-6+1


h (-2)= -5
4 0
3 years ago
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