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denis23 [38]
2 years ago
5

Please help and thanks

Mathematics
1 answer:
MAXImum [283]2 years ago
4 0

Answer:

50

Step-by-step explanation:

its a straight line so all the angles have to add up to 180

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Write an expression equivalent to 6x+3y-4x+2
ch4aika [34]

Answer:

10x+3y+2

Step-by-step explanation:

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2 years ago
3. Find the balance of a savings account at the end of 15 years if the interest
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Answer:

The balance of the savings account in 15 years will be $1,750.24.

8 0
3 years ago
Solve the system of linear equations by substitution.
Anastasy [175]

Answer: The solution is the ordered pair (1/2,  -3/4) so x = 1/2 and y = -3/4 pair up together. The two lines, when graphed, cross at this location.

note: 1/2 = 0.5 and -3/4 = -0.75; so the intersection point can be written as (0.5, -0.75)

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

Explanation:

The second equation has y isolated. We can replace the y in the first equation with the expression 1/2x - 1

3x + 2y = 0

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3x + 2( 1/2x - 1) = 0 ... y is replaced with 1/2x-1

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4x - 2 = 0

4x = 2

x = 2/4

x = 1/2

Use this x value to find the y value it pairs with

y = (1/2)*x - 1

y = (1/2)*(1/2) - 1 ... replace x with 1/2

y = 1/4 - 1

y = 1/4 - 4/4

y = (1-4)/4

y = -3/4

8 0
3 years ago
Which of the following steps should be completed first when simplifying ?
valkas [14]
Answer: combine like terms
3 0
3 years ago
Read 2 more answers
The running trail in the local park is 2.826 miles long. If the park board were planning to extend the trail by 1.46 miles, what
eimsori [14]
Extend means to increase, add length to it, ADD.
       2.826
+    1.46
--------------
       4.286

5 0
3 years ago
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