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Inessa [10]
3 years ago
7

Alina makes $150 a day for working 8 hours. What expression do you use to find her hourly rate?

Mathematics
1 answer:
Sedaia [141]3 years ago
3 0

Answer:

150 divided by 8 which would give you 18.75

Step-by-step explanation:

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Identify the angles of rotational symmetry for the figure.
babunello [35]

Answer:

45 120 144 that the ones to pick

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3 years ago
A line with a negative slope is perpendicular to one of the lines shown. What is its slope? Use the graph shown below. The Slope
goblinko [34]

Answer:

  • The slope for the red line is decreasing and hence the slope must be negative. -1x or simply -x
  • The slope of the blue line is increasing and hence positive: 1/2x
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7 0
3 years ago
I have to turn this in by tonight
Artist 52 [7]

Answer:

x = -11

Step-by-step explanation:

Convert fraction into negative exponential form: (36^-^1)^x^-^4=(216^-^1)^x^+^1\\

Simplify using exponent power rule: (a^n)^m=a^n^m:36^-^x^+^4=216^-^x^-^1

Convert both sides of the equation into terms with same base:(6^2)^-^x^+^4=(6^3)^-^x^-^1

Simplify using exponent power rule:

(a^n)^m=a^n^m:6^-^2^x^+^8=6^-^3^x^-^3

Based on the given conditions, corresponding exponents are equal:

-2x=8=-3x-3

Rearrange unknown terms to the left side of the equation:

-2x+3x=-3-8

Combine like terms: x=-3-8

Calculate the sum or difference: x = -11

Thurs, x = -11

[RevyBreeze]

5 0
2 years ago
X - (-3) is the same as x + (-3).<br><br><br> True or False
AURORKA [14]

Answer:

False

Step-by-step explanation:

x - (-3) = x + 3

x + (-3) = x - 3

8 0
4 years ago
Read 2 more answers
Two cars are traveling north along a highway. The first drives at 40 mph, and the second, which leaves 3 hours later, travels at
belka [17]

Answer:

Step-by-step explanation:

We will make a table and fill it in according to the information provided. What this question is asking us to find, in the end, is how long did it take the cars to travel the same distance. In other words, how long, t, til car 1's distance = car 2's distance. The table looks like this:

              d     =      r     *     t

car1

car2

We can fill in the rates right away:

             d       =      r     *     t

car1                       40

car2                       60

Now it tells us that car 2 leaves 3 hours after car 1, so logically that means that car 1 has been driving 3 hours longer than car 2:

            d     =      r      *      t

car1                     40         t + 3

car2                     60           t

Because distance = rate * time, the distances fill in like this:

                   d      =      r      *      t

car1    40(t + 3)    =      40        t+3

car2          60t     =       60         t

Going back to the interpretation of the original question, I am looking to solve for t when the distance of car 1 = the distance of car 2. Therefore,

40(t+3) = 60t and

40t + 120 = 60t and

120 = 20t so

t = 6 hours.

8 0
4 years ago
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