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Tatiana [17]
3 years ago
10

What is an expression that represents $.15 per minute

Mathematics
1 answer:
Levart [38]3 years ago
4 0

x= number of minutes

.15x

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Find Slope and Y-intercept
Ksenya-84 [330]

Answer:

slope = -5/1

y-intercept = (0, -34)

Step-by-step explanation:

slope m = change in y ÷ change in x

= (-9 - -4) ÷ (-5 - -6)

= -5 ÷ 1

= -5/1

y = mx + b  ⇒  y = -5x + b

substitute one of the points

-4 = (-5 x -6) + b

-4 = 30 + b

b = -34

Therefore, y-intercept = (0, -34)

4 0
2 years ago
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Solve using Elimination<br><br> 3x+y=-9<br> y=5x+7
valentinak56 [21]

Answer

x=-2 and y=-3

Step-by-step explanation:

Step: Solvey=5x+7for y:

Step: Substitute5x+7 for y in 3x+y=−9:

3x+y=−9

3x+5x+7=−9

8x+7=−9(Simplify both sides of the equation)

8x+7+−7=−9+−7(Add -7 to both sides)

8x=−16

8x/8=−16/8

(Divide both sides by 8)

x=−2

Step: Substitute−2 for x in y=5x+7:

y=5x+7

y=(5)(−2)+7

y=−3(Simplify both sides of the equation)

7 0
2 years ago
Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only) A right triangl
andriy [413]
For this case we have the following trigonometric relationship:
 cos (y) = 8/13
 Clearing the value of and we have:
 y = Acos (8/13)
 Calculating the angle we have:
 y = 52.02012756 degrees
 Rounding off we have:
 y = 52.02 degrees
 Answer:
 
the measure of angle and is:
 
y = 52.02 degrees
4 0
3 years ago
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1. Jerry has a photo that is 7 inches wide and 5 inches high. He wants to enlarge it so that the new photo has a
Alexandra [31]

Answer:

9 Inches

Step-by-step explanation:

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3 years ago
HELP I DONT UNDER STAND INTERGERS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
MAXImum [283]

Answer:An integer (from the Latin integer meaning "whole") is colloquially defined as a number that can be written without a fractional component. For example, 21, 4, 0, and −2048 are integers, while 9.75, 512, and √2 are not. ... ℤ is a subset of the set of all rational numbers ℚ, which in turn is a subset of the real numbers ℝ.

Step-by-step explanation:

An integer (from the Latin integer meaning "whole") is colloquially defined as a number that can be written without a fractional component. For example, 21, 4, 0, and −2048 are integers, while 9.75, 512, and √2 are not. ... ℤ is a subset of the set of all rational numbers ℚ, which in turn is a subset of the real numbers ℝ.

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3 years ago
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