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insens350 [35]
3 years ago
9

!!!Quick!!! Barbara can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes? (In Meters)

Mathematics
1 answer:
suter [353]3 years ago
5 0

Answer:

400 meters

Step-by-step explanation:

First, divide 3,200 by 24 to find the rate, which is 133.3 (repeated).

Now, multiply 133.3 by 3, which is your answer! 133.3*3=399.9. 399.9 is extremely close to 400, so we can just round it to that.

Hope this helps you out and have a wonderful day (✿◡w◡)

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There are 24 students in a class. if 16 are boys, what fraction of the students are boys?
pshichka [43]

Answer:

2/3 is the fraction of students who are boys.

Step-by-step explanation:

First of all, a fraction consists of two parts: The denominator and the numerator. The denominator is the whole, while the number is a part of the whole (and sometimes above).

1. Since in your question, there are 24 students in total in the class, the denominator will be 24.

2. You said that 16 of them are boys, so 16 is the numerator.

3. In a fraction, it will be 16/24.

4. 16/24 can be simplified into 2/3 since both 16 and 24 can be divided by 8.

So our final answer is 2/3.

3 0
2 years ago
Which of the following hace a value equal to |37|? Select all that apply
daser333 [38]
B, D, and E
The absolute value of -37 is 37.
The absolute value of 37 is also 37.
When you distribute the negative in the parenthesis the -37 becomes positive.
3 0
3 years ago
The expression (x^22) (x^7)^3 is equivalent to x^p what is the value of p?
kolbaska11 [484]
The expression (x^22) (x^7)^3 is equivalent to x^p what is the value of p
8 0
3 years ago
Read 2 more answers
The compressive strength of concrete is normally distributed with mu = 2500 psi and sigma = 50 psi. A random sample of n = 8 spe
ipn [44]

Answer:

The standard error of the sample mean is _17.677_ psi.

Step-by-step explanation:

<u>Explanation</u>:-

A random sample of n = 8 specimens is collected.

Given sample size is n = 8

Given mean of the population 'μ' = 2500 psi

standard deviation 'σ' = 50 psi

Let x⁻ is the mean of the observed sample

Standard error of the sample mean = \frac{S.D}{\sqrt{n} }      ...(i)

Given Population of standard error (S.D) 'σ' = 50 psi

Now substitute all values in (i)

S.E = \frac{50}{\sqrt{8} } =17.677

<u>Conclusion</u>:-

The standard error of the sample mean is _17.677psi.

7 0
3 years ago
Sheila has 11 1/2 pounds of potato salad. She wants to divide the potato salad into containers, each of which holds 1 3/4 pounds
Mice21 [21]

Hello!

<h2>Answer:</h2>

\boxed{ \bf Sheila~will~need~about~7~containers.}

__________________________________________________

<h2>Explanation:</h2>

First, we will need to convert the mixed fractions to improper fractions.

Numerators: (2 · 11) + 1 = 23

                      (4 · 1) + 3 = 7

Denominators: stay the same.

11 \frac{1}{2} ⇒ \frac{23}{2}

1 \frac{3}{4}  ⇒ \frac{7}{4}

Next, we must divide these two fractions:

\frac{23}{2} ÷ \frac{7}{4}

We must flip the divisor into a reciprocal:

\frac{23}{2} ÷ \frac{4}{7}

Change the division sign to multiplication and multiply:

\frac{23}{2} × \frac{4}{7} = \frac{92}{14}

To find out how many containers will be needed, simply convert this fraction to a decimal by dividing the numerator by the denominator.

92 ÷ 14 = 7 (Rounded)

5 0
3 years ago
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