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3 years ago

Johnny filled a container with 30 centimeter cubes.

Mathematics

1 answer:

Soloha48 [4]3 years ago

4 0

Answer:

Step-by-step explanation:

there are 50 ml in all

But this is the wrong answer I don't have the rightanswer

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A track star in Arizona ran the 100 meter dash event is six track meets. Her average time for all six meets was 11.8 seconds. Sh

natima [27]

Answer:

A track star in Arizona running time in the last meet was 11.5 seconds.

Step-by-step explanation:

Given:

average time for all six meets = 11.8 seconds.

Time for 1st meet = 11.7 seconds.

Time for 2nd meet = 11.6 seconds.

Time for 3rd meet = 12 seconds.

Time for 4th meet = 12.1 seconds.

Time for 5th meet = 11.9 seconds.

We need to find the running time for her last meet.

Solution:

Let the running time for her last meet be 'x'.

So we can say that;

average time for all six meets is equal to sum of Time for 1st meet, Time for 2nd meet, Time for 3rd meet,Time for 4th meet, Time for 5th meet and time for her last meet and then divided by 6.

framing in equation form we get;

$\frac{11.7+11.6+12+12.1+11.9+x}{6}=11.8\\\\\frac{59.3+x}6 =11.8$

Now Multiplying both side by 6 we get;

$\frac{59.3+x}{6}\times 6= 11.8\times6\\\\59.3+x=70.8$

Now Subtracting both side by 59.3 we get;

$59.3+x-59.3=70.8-59.3\\\\x=11.5 \ s$

Hence A track star in Arizona running time in the last meet was 11.5 seconds.

7 0

3 years ago

Find the distance from point B to point C. Enter as a decimal rounded to the nearest tenth. BC = [?] mi

mina [271]

Answer: 0.0987987889 mi

4 0

3 years ago

Materials and labor for each pet groomed

ivolga24 [154]

Answer:

f(x) = 15x + 1,000

Step-by-step explanation:

y = mx + b

the 15 is the slope or rate and 1000 is the fixed value ( y intercept)

3 0

2 years ago

A single number is chosen from the digits 1 through 30. Find the probability that the number is an even number or a number divis

ladessa [460]

Answer:

There is a 66.67% probability that the number is an even number or a number divisible by 3.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

These are the following even numbers from 1 through 30: 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30

There are 15 even numbers.

These are the following numbers divisible by 3 from 1 through 30:

3,6,9,12,15,18,21,24,27,30

We only count the odd numbers here, since we have already counted the even ones.

There are 5 odd numbers divisible by 3.

So there are 20 numbers that are even numbers or divisible by 3. So there are 20 desired outcomes.

Total outcomes:

There are 30 numbers from 1 through 30. So the number of total outcomes is 30.

Find the probability that the number is an even number or a number divisible by 3.

$P = \frac{2}{3} = 0.6667$

There is a 66.67% probability that the number is an even number or a number divisible by 3.

7 0

3 years ago

Max has a science test on Thursday. On Monday he studied 2/9 of the material. On Tuesday he studied 1/4 of the remaining materia

wolverine [178]

Answer:

The answer to your question is:

Fraction he has review = 17/36

Fraction he have to study = 19/36

Step-by-step explanation:

Data

Monday studied = 2/9

Tuesday = 1/4

Fraction he has review = ?

Fraction he has left = ?

Process

As the denominator is 9, consider the whole is 9.

Then: Fraction left on Monday = 9/9 - 2/9

= 7 / 9

Fraction left on Tuesday = 7/9 - 1/4

= (28 - 9) / 36

= 19 / 36

Fraction he has review = 17/36

Fraction he have to study = 19/36

3 0

3 years ago