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Whitepunk [10]
3 years ago
12

After how many weeks will they have the same amount of money ? (picture attached)

Mathematics
1 answer:
tester [92]3 years ago
6 0

Answer:

4 weeks

Step-by-step explanation:

Julie starts out $100 behind Amanda, but earns $25 per week more than Amanda. That means she will catch up after 100/25 = 4 weeks.

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Two groups of students were asked how far they lived from their school. The table below shows the distances in miles:
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The mean distance for a group is the sum of individual numbers over the number of data. The mean distance of Group A is (1+1.5+3+3.2+2.8+1.5+1.8+2.5+2.2)/9=2.17 The mean distance of Group B is (<span>2+2.5+3.2+3+1.8+2.4+3+1.5+1.8)/9=2.36. Therefore, the mean is greater for group B than group A, but not doubling.</span>
3 0
3 years ago
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Write in surd form<br><img src="https://tex.z-dn.net/?f=%20%7B13%7D%5E%7B%5Cfrac%7B5%7D%7B2%7D%20%7D%20" id="TexFormula1" title=
Airida [17]

Answer:

sqrt(13^2)

Step-by-step explanation:

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6 0
2 years ago
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Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples coul
GrogVix [38]

Answer:

As many as 7 apples or as few as 4 apples could be green.

Step-by-step explanation:

Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples could be green?​

x = total number of red apples

y = total number of green apples

Fewer than 4 of the apples are red.

x<4

That means that 3 or less of the apples are red

So, 7 - 3 = 4

That means that 4 or more apples are green.

7≥y≥4

That means that as many as 7 apples or as few as 4 apples could be green.

7 0
3 years ago
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning.
VARVARA [1.3K]

Answer:

h = a + b * t, this equation gives you the height of the candle after t hours, where:

h = height of the candle

t = hours of burning

a = the y intercept

b = the slope

Step-by-step explanation:

In your problem says that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. This means that the independent variable is t (hours of burning) and the dependent variable is h (height of the candle).

A linear function has the following form:

   y = f(x) = a + bx

a is the constant term or the y intercept. It is the value of the dependent variable when x = 0.

b is the coefficient of the independent variable. It is also known as the slope and gives the rate of change of the dependent variable.

NOTE:

In order to find numerical values you need at least two points in order to find the slope (t1,h1), (t2,h2), with this equation:

b = \frac{h_{2} - h_{1}}{t_{2} - t_{1}\\ } \\

Next you find a when x = 0, y = a, where y is one of the points that you want to evaluate.

With these values you put them in this equation h = a + b * t and that's it! You will find the height of the candle after t hours.

5 0
3 years ago
$2000 at 6% simple interest for 3 years. A. 360 B. 3600 C. 600 D. 650
Tju [1.3M]

Answer: B.3600

Step-by-step explanation:

3 0
3 years ago
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