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kherson [118]
3 years ago
12

What is the y-intercept of the line described by the equation below? y = -5x + 7

Mathematics
2 answers:
Citrus2011 [14]3 years ago
8 0

Answer:

(0,7)

Step-by-step explanation:

Eddi Din [679]3 years ago
5 0
Positive 7 is the y-intercept of the equation
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Please answer this question quickly!
mixer [17]

40 \times 15 = 600 \div 3 = 200m \: and \: the \: formula \: is \: to \: divide \: and \: multipliction
6 0
3 years ago
The measure of an angle is 28 degrees less than its supplement. find the supplement
barxatty [35]

Supplementary angles measure 180°. Make an equation:

x+(x+28) = 180

Subtract 28 to leave the variable in the parentheses alone:

x+(x+28-28) =180-28 \\ x+x = 152

Add the 2 x's together:

x+x = 2x

Your new equation is:

2x=152

Divide both sides by 2 to leave the variable alone

\frac{2x}{2} = \frac{152}{2}  \\ \\ x = 76

The supplement measures 76°

8 0
4 years ago
Which of these is a simplified form of the equation 8y + 4 = 6 + 2y + 1y?
Gelneren [198K]

Answer:

5y=2

Step-by-step explanation:

8y + 4 = 6 + 2y + 1y

Combine like terms

8y+4 = 6+3y

Subtract 3y from each side

8y-3y+4 = 6+3y-3y

5y +4 = 6

subtract 4 from each side

5y+4-4 = 6-2

5y=2

6 0
3 years ago
Read 2 more answers
Use the discriminant to determine the number of real solutions to the equation,<br> 10n^2 = 10 - 8n
galben [10]

Answer:

2 real solutions

Step-by-step explanation:

Get all the terms to one side

10n^2 = 10 - 8n

10n^2 +8n -10 =0

ax^2 +bx+c =0

The discriminant is

b^2 -4ac

8^2 - 4(10)(-10)

64 +400

464

If the discriminant is greater than 0 we have 2 real solutions

6 0
3 years ago
The variable z is inversely proportional to x. When x is 16, z has the value 0.9375.
Setler [38]

Since z is inversely proportional to x, when x increases by a factor of 26/16, z will be multiplied by the inverse of that factor: 16/26

z=\dfrac{16}{26}\cdot 0.9375=0.5\overline{769230}=\dfrac{15}{26}

6 0
3 years ago
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