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2 years ago

It takes 10 people 15 hours to prepare the gym for the school dance. How many hours would it take 12 people to prepare the gym?

Mathematics

1 answer:

valentinak56 [21]2 years ago

4 0

Answer

18 hours

Step-by-step explanation:

if 10 people spend 15 hours

one person spend 15/10=1.5

so 1.5 × 12=18hours

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the fair committed wants to decorate each ride with 40 balloons there are 13 rides if balloonso come 24 package how many package

Jet001 [13]

14x30=520. So, 520 divided by 24 = 21.6 . So, that means that you will need 22 packages of balloons and you will have 8 left over

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3 years ago

Read 2 more answers

Consider the statement: For all integers n, if n3 is even then n is even. a. Explicitly write out what you are supposing and wha

Fittoniya [83]

Answer:

It is proved that if $n^3$ is even the n is even.

Step-by-step explanation:

Given n is any integer.

To show $n^3$ is even then n is even.

Proving by contrapositive suppose $n^3$ is odd. Then we need to show n is odd.

Then, letting k is a ny integer,

$n^3=2k+1\implies n=(2k+1)^{\frac{1}{3}}$

Now since (2k+1) is odd therefore n is odd.

Conversly let n is odd, then,

$n=2k+1\implies n^3=(2k+1)^3$

since 2k+1 is odd so $n^3$ is odd.

This proves, if n is even then $n^3$ is even.

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3 years ago

Stonehege es uno de los grandes monumentos prehistóricos se en Inglaterra todas las piedras exteriores están separadas a 15 m de

shutvik [7]

You might wanna put this in spanish.

3 0

3 years ago

Can someone help me?

siniylev [52]

In this question, x represents years. The y represents how much employees are paid. Since the slope is positive, it is rising on both the x- and y-axis. If you were to graph this equation, you would see that, when an additional year passes, $0.65 is added to the employee's hourly wage from the original $5.15 (which is the y-intercept)
So the answer is B. An additional year of service is associated with an additional $0.65 per hour.

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3 years ago

Please write an equation for both i need help bad!

Jobisdone [24]

Answer:

$\huge\boxed{1.\ y=-\frac{1}{2}x+1}$

$\huge\boxed{2. \ y=\frac{3}{2}x}$

Step-by-step explanation:

In order to find the equation for these graphs, we have to note what forms a line.

The slope: Which is just the rise of the line over the run - how much it increases in y over how much it increases in x.

The y-intercept: Where does the graph intersect the y-axis?

Fortunately, there's a type of formula commonly used that includes both of these - slope-intercept form. It is written in the form $y=mx+b$ , where m is the slope and b is the y-intercept.

For number 1:

We can see that the graph intersects the y-axis at 1. So the y-intercept is 1, aka b = 1.

We can also see that for every 1 decrease in y, x increases by 2. This is where the two dots come in useful. This means our change in y is -1 and our change in x is 2. Since slope is rise over run, we can divide it.

$-1 \div 2 = -\frac{1}{2}$