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lana66690 [7]
3 years ago
5

Solve the equation. X2=-180

Mathematics
1 answer:
devlian [24]3 years ago
7 0

Answer:

-90

Step-by-step explanation:

x2 = -180

x = -180/2

x= -90

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adoni [48]
Lower Quartile-21
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3 years ago
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Given the following table, find the equation that matches it.​
bagirrra123 [75]

Answer:

The equation that matches the table is y = -5x + 7 ⇒ C

Step-by-step explanation:

The form of the linear equation is y = m x + b, where

  • m is the slope of the line
  • b is the y-intercept (value y at x = 0)

The rule of the slope is m =  \frac{y2-y1}{x2-x1} , where

  • (x1, y1) and (x2, y2) are two points on the line

From the given table

→ Choose any two points from the table

∵ Points (0, 7) and (1, 2) are in the table

∴ x1 = 0 and y1 = 7

∴ x2 = 1 and y2 = 2

→ Substitute them in the rule of the slope above

∵ m = \frac{2-7}{1-0}=\frac{-5}{1}

∴ m = -5

→ Substitute it in the form of the equation above

∵ y = -5x + b

∵ b is the value of y at x = 0

∵ At x = 0, y = 7

∴ b = 7

∴ y = -5x + 7

∴ The equation that matches the table is y = -5x + 7

7 0
2 years ago
The equations f(x)=-2x+3
hjlf

Answer:13

Step-by-step explanation:

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3 years ago
How much will you pay the cashier for a candy bar that originally costs 79 cents and is now marked 15% off? Sales tax is 5.5%
Assoli18 [71]
79 cents marked down 15% 
so
79 x (1 - 0.15) 
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plus <span>Sales tax is 5.5%

67 x (1.055) = 71 cents

answer
71 cents</span>
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3 years ago
6x10 to the power of zero
Bezzdna [24]
Hello There!

6 x 10^{0} = 6.

Hope This Helps You!
Good Luck :)
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2 years ago
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