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atroni [7]
2 years ago
13

A car salesperson sells 5 out of 40 cars on the lot in a day. What is the ratio of cars he sold to the number on the lot in simp

lified form?
Mathematics
1 answer:
irina [24]2 years ago
8 0
5/40 = 1/8 so your taking it and dividing by 5
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Element X decays radioactively with a half life of 13 minutes. If there are 530 grams of Element X, how long, to the nearest ten
Leona [35]

Answer:

t \approx 50.4\,min

Step-by-step explanation:

The time constant of the element X is:

\tau = \frac{13\,min}{\ln 2}

\tau = 18.755\,min

The decay function has the following form:

\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }

t = -\tau \cdot \ln \frac{m}{m_{o}}

t = -(13\,min)\cdot \ln \left(\frac{11\,g}{530\,g} \right)

t \approx 50.4\,min

6 0
3 years ago
8. Which statement can be represented by the equation shown?<br> 9x-2=8x
Thepotemich [5.8K]

Answer:

A or the 1st one

Step-by-step explanation:

Angelo is making 9 dollars per hour but, loses 2 dollars due to the bus fee. So in math form that would be:

9x - 2

And the second part is Tom makes 8 dollars per hour but doesn't have to pay for bus fee. In math form that would be;

8x

So put that together that would be

9x - 2 = 8x

3 0
2 years ago
Evaluate the expression 12 - x when x = 4. Show your work.
ArbitrLikvidat [17]

Answer: 8

Step-by-step explanation: 12 minus 4 equals 8

6 0
2 years ago
Read 2 more answers
Which one is smaller, 2 6/25 or 2 1/8
max2010maxim [7]

Answer:

2 1/8

Step-by-step explanation:

both have 2 as a whole number

now make fraction into decimal

6/25 is 0.24 and and 1/8 is 0.125

therefore 2 1/8 is smaller

8 0
3 years ago
Read 2 more answers
Two of the angles in a triangle measure 57º and 25°. What must be the measure of the
ira [324]

The measure of the third angle in the triangle is 104 degrees

<h3>How to determine the measure of the third angles?</h3>

Let the three angles in the triangle be x, y and z.

Such that:

x = 51

y = 25

The sum of angles in a triangle is 180 degrees.

So, we have:

x + y  + z = 180

Substitute known values

51 + 25 + z = 180

Evaluate the sum

76 + z = 180

Subtract 76 from both sides

z = 104

Hence, the measure of the third angle is 104 degrees

Read more about triangles at:

brainly.com/question/21735282

#SPJ1

5 0
1 year ago
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