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dlinn [17]
3 years ago
9

Find the missing value of x and y.

Mathematics
1 answer:
scoray [572]3 years ago
4 0

Step-by-step explanation:

tan 60 = 21 ÷ y

1.73 = 21 ÷ y

y = 21 ÷ 1.73

y = 12.14

tan 30 = x÷ 12

0.6 x 12 = x

x = 7.2

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(x² - 3x + 7) + (3x² + 5x - 9)
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4x² + 2x - 2
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The lynch family bought a house for $75,300.a few year later, they sold the house for $80,250.how much greater was the selling p
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hope this help you with your question~~~~

love


meowlover

4 0
3 years ago
What is the value for x when using algebra tiles to solve the equation x+1=-x+(-5)?
lesya [120]

x + 1 = -x + (-5)

2x + 1 = -5

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4 0
3 years ago
Read 2 more answers
- 10 -
Lynna [10]
The answer for this problem is b because I did the math
8 0
3 years ago
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10) through: (3.-1). slope = -1​
Naddika [18.5K]

Answer:

y = -x + 2

Step-by-step explanation:

The question is to find the equation of the line going through the points (3,-1) and has a slope of -1.

First, the equation of a line is given as:

Equation = y = mx + b

Where

m is the slope

b is the y-intercept (y-axis cutting point)

We know the slope, so the equation becomes:

y = mx + b

y = -1x + b

y = -x + b

Now the point given is in the form (x,y), so

x = 3

y = -1

We substitute and find b:

y = -x + b

-1 = -3 + b

-1 + 3 = b

b = 2

Final Equation:

y = -x + 2

6 0
3 years ago
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