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2 years ago

He fourth-grade students at Curtis Estabrook make up 0.3 of all students at the school. What fraction is equivalent to 0.3?

Mathematics

1 answer:

BartSMP [9]2 years ago

4 0

Answer:

3/10

Step-by-step explanation:

fouth grade students at Estrabook make up 0.3 percents of the students at school

The fraction is therefore equivalent to

= 3/10

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The rate of sales for a corporation t weeks from now is given by S(t)=59t+5 millions of dollars per week. Find the average sales

8090 [49]

Answer:

The average sales per week for the first 16 weeks is $477 million dollars per week.

Step-by-step explanation:

Here, you have to find the average value of a continuous function over an interval.

Suppose you have a function $f(x)$ over an interval from a to b. The average of the function in this interval is given by:

$\frac{1}{b-a}\int\limits^b_a {f(x)} \, dx$

Solution:

In this problem, the function is given by:

$S(t) = 59t + 5$

The problem asks the average value for the first 16 weeks. It means that our interval goes from 0 to 16. So $a = 0, b = 16$ .

The average value is given by the following integral:

$A = \frac{1}{16}\int\limits^{16}_{0} {(59t + 5)} \, dt$

$A = \frac{59t^{2}}{32} + \frac{5t}{16}, 0 \leq t \leq 16$

$A =\frac{59*(16)^{2}}{32} + \frac{5*16}{16}$

$A = $477$

The average sales per week for the first 16 weeks is $477 million dollars per week.

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MariettaO [177]

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Sara buys 3 of the same type of dress, but in different colors. If she spends a total of $80.34, how much does each dress cost?

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2 years ago

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3x + 8 = -x + 20 What is x?

g100num [7]

First, lets take all the x values on one side.

3x + x + 8 = -x + x + 20
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Now, lets put the numbers on the other side.

4x + 8 - 8 = 20 - 8
4x = 12
x = 3

Hope this helps!
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3 years ago

Read 2 more answers

He fourth-grade students at Curtis Estabrook make up 0.3 of all students​ at the school. What fraction is equivalent to 0.3? ​

He fourth-grade students at Curtis Estabrook make up 0.3 of all students at the school. What fraction is equivalent to 0.3?