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dmitriy555 [2]
2 years ago
15

The temperature of a subatance decreased by 24 per minute for 3 minutes

Mathematics
1 answer:
vazorg [7]2 years ago
6 0

Answer:

I'm not sure what you're asking. if their is supposed to be a picture try reposting, or if you forgot to type it leave a comment and I will try to help you the best I can.

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Jessica spent 2/5 of her money going to the movies. Then she babysat her brother and earned fifteen more dollars. If she ended u
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Step-by-step explanation:

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6 0
3 years ago
8) through: (-3, -2), perp. to y = x – 1<br> A) y=-5x – 1 B) y=-4x – 5<br> C) y=-x – 5 D) y=-5x – 4
nexus9112 [7]

<u>Answer:</u>

The equation through (-3, -2) and perpendicular to y = x – 1 is y = -x -5 and option c is correct.

<u>Solution:</u>

Given, line equation is y = x – 1 ⇒ x – y – 1 = 0. And a point is (-3, -2)

We have to find the line equation which is perpendicular to above given line and passing through the given point.

Now, let us find the slope of the given line equation.

\text { Slope }=\frac{-x \text { coefficient }}{y \text { coefficient }}=\frac{-1}{-1}=1

We know that, <em>product of slopes of perpendicular lines is -1. </em>

So, 1 \times slope of perpendicular line =  -1

slope of perpendicular line = -1

Now let us write point slope form for our required line.

\mathrm{y}-\mathrm{y}_{1}=\mathrm{m}\left(\mathrm{x}-\mathrm{x}_{1}\right)

y – (-2) = -1(x – (-3))

y + 2 = -1(x + 3)

y + 2 = -x – 3

x + y + 2 + 3 = 0

x + y + 5 = 0

y = -x -5

Hence the equation through (-3, -2) and perpendicular to y = x – 1 is y = -x -5 and option c is correct.

8 0
3 years ago
Zuma was earning $9.40 per hour when she got a 6% increase in pay. What was her rate of pay after the increase
Mnenie [13.5K]
$9.96 To do the math take your starting value and multiply 9.40 by 1.06 (1 in the 1's place because you are just adding 6%) (0.6 in the hundredths place due to the 6/100% or 06/100%)
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PLEASE HELP ASAP 50 POINTS! What correctly identifies the property shown?
mash [69]

Answer:

Commutative property

Step-by-step explanation:

Hope that helps!


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3 years ago
What does the multiplication principle tell you?
Leya [2.2K]

Answer:

The correct answer would be E I believe

Step-by-step explanation:

7 0
2 years ago
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