Ask question

Ask question

All categories

2 years ago

7

A submarine dives 300ft every 2 min. And 6,750ft every 45min. Find the constant rate at which the submarine dives. Give your ans

wer in feet per minute and in feet per hour?

1 answer:

padilas [110]2 years ago

7 0

150 ft per minute and 9,000 feet per hour

You might be interested in

Roxy has received the following quiz scores so far this year: 75, 88, 90, 96, 98, 100 Which box plot represents this data?

blsea [12.9K]

75,88,90,96,98,100

minimum = 75
Q1 = 88.....this is where the box begins
Q2 (the median) = (90 + 96) / 2 = 186/2 = 93....this is the line in the box
Q3 = 98....this is where the box ends
maximum = 100

88_93______98
75_______| | |___100
|___|_______|

3 0

2 years ago

Read 2 more answers

Casey has a litter of 5 puppies and 3 of them are gray. At this rate, how many puppies would be gray in a litter of 30 puppies?

deff fn [24]

Answer:

18 gray puppies

Step-by-step explanation:

Think of this as finding equivalent fractions/ratios. 3/5 puppies are gray. what over 30 puppies would be gray? to find 3/5=?/30, you multiply the numerator and denominator by 6. 3 times 6 is 18.

6 0

2 years ago

PLLZZZZZZZ HEELLLPPPP

Mrrafil [7]

Answer:

f(9) = 72

Step-by-step explanation:

This is a piecewise function. You have to establish what part to plug in your x value based on the designations given in the function. In this case, x=9.

9>6, so we would follow the bottom designation! When writing the function, turn every "x" into a 9.

f(x) = 8x

f(9) = 8(9)

f(9) = 72

Hope this helps you out :)!

5 0

2 years ago

Read 2 more answers

Males have red blood cell counts with a mean of 4.719 and a standard deviation of .490, while females have red blood cell counts

iVinArrow [24]

Answer:

<em><u>The female has a higher count relative to the sample of females than the male relative to the sample of males.</u></em>

Explanation:

When you want to compare the means of two samples with different statistics you may use the z-score.

The z-score measures how far a value (data point) is from the mean, in terms of the standard deviation.

The z-score is calculated as:

$z-score=(x-\mu )}/\sigma$

Where:

$x=\text{value of the data}\\\\\mu =mean\\\\\sigma = \text{standard deviation}$

<u>1. Male with a count of 5.58 </u>

$z-score=(5.58-4.719)/0.490=1.757$

<u />

<u>2. Female with a count of 5.23</u>

$z-score=(5.23-4.349)/0.402=2.192$

Therefor, the z-score of the female is greater than the z-score of the male.

The greater z-score means that, relative to her group, the female has a higher count than the male.

7 0

2 years ago

Find the value of the expression 8x↑3 if: x=3

NeX [460]

Answer:

216

Step-by-step explanation:

8x³

Put x as 3 in the expression.

8(3)³

Solve the power.

8(27)

Multiply.

= 216

6 0

2 years ago