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3 years ago

If a pump takes 60 minutes to circulate 25 gallons of water, how many minutes does it take to circulate 2.5 gallons of water?

Mathematics

1 answer:

Marizza181 [45]3 years ago

8 0

It takes 6 minutes to circulate 2.5 gallons of water

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Hendrick wants to enlarge a photo that is 4 inches wide and 6 inches tall. The enlarged photo keeps the same ratio. How large is

lukranit [14]

The photo would be 18 inches tall.

4 0

3 years ago

How many full teaspoons should the child take of the prescribed 15mL of medication?

ra1l [238]

Answer:

The correct answer is three full teaspoons, assuming US measurements.

Step-by-step explanation:

15ml = 3.04326 teaspoons. To do this yourself, divide the volume value by 4.929

3 0

3 years ago

Verify cot x sec^4x=cotx +2tanx +tan^3x

Tanzania [10]

Answer:

See explanation

Step-by-step explanation:

We want to verify that:

$\cot(x) \: { \sec}^{4} x = \cot(x) + 2 \tan(x) + { \tan}^{3} x$

Verifying from left, we have

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { \tan}^{2} x )^{2}$

Expand the perfect square in the right:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { 2\tan}^{2} x + { \tan}^{4} x)$

We expand to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + \cot(x){ 2\tan}^{2} x +\cot(x) { \tan}^{4} x$

We simplify to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + 2 \frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{2} x}{{ \cos}^{2} x} +\frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{4} x}{{ \cos}^{4} x}$

Cancel common factors:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + 2 \frac{{ \sin}x}{{ \cos}x} +\frac{{ \sin}^{3} x}{{ \cos}^{3} x}$

This finally gives:

$\cot(x) \: { \sec}^{4} x = \cot(x) + 2 \tan(x) + { \tan}^{3} x$

3 0

3 years ago

A team won 7 of it’s 12 games. What fraction of its game did the team win?

valkas [14]

Answer:

7/12

Step-by-step explanation:

The team won 7 out of all 12 games played

4 0

3 years ago

Read 2 more answers

Import customs officials sometimes randomly select crates of cargo for close, but time-consuming, inspection. Suppose there are

Ostrovityanka [42]

The simple random sample is Cherryport, Dallhoise, Foxwood, and Sapphire.

What is the meaning of probability in math?

Probability is simply how likely something is to happen.
Whenever we're unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are.
The analysis of events governed by probability is called statistics.

Three Types of Probability

Classical: (equally probable outcomes) Let S=sample space (set of all possible distinct outcomes).
Relative Frequency Definition
Subjective Probability.

the list of random digits from left to right, starting at the beginning of the list.

74803 12009 45287 71753 98230 66419 84533 11793 04951 20597 11384

The simple random sample is Cherryport, Dallhoise, Foxwood, and Sapphire.

Learn more about probability

brainly.in/question/20798570

#SPJ4

4 0

1 year ago