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3 years ago

5

The water level in the aquarium shark tank is always greater than 25 feet if the water level decreased by 6 feet during cleaning

what was the water level before the cleaners took out any water

1 answer:

stepan [7]3 years ago

4 0

25 - 6 = 19 so 19 ft. it was 19 ft before he cleaned out the tank.

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Animals hair grows at a rate of 1 •10^-5 miles per hour.How many miles will animals Jaír grow after 500 hours?Express answer sci

babunello [35]

Answer:

0.005

Step-by-step explanation:

10^-5 =0.00001

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3 years ago

Salvatore attends class every 4 weeks, chess club every 2 weeks, and fencing lessons every 3 weeks. If he attended all three thi

Amiraneli [1.4K]

Answer:

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Step-by-step explanation:

Listing the weeks he will attend each item

Class 4,8,12,16

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3 years ago

Read 2 more answers

An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.

katrin [286]

Answer:

$20,475\ ways$

Step-by-step explanation:

we know that

<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

$n=28\\r=4$

substitute

$C(28,4)=\frac{28!}{4!(28-4)!}\\\\C(28,4)=\frac{28!}{4!(24)!}$

simplify

$C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}$

$C(28,4)=\frac{(28)(27)(26)(25)}{(4)(3)(2)(1)}$

$C(28,4)=20,475\ ways$

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3 years ago

Need the steps and ASAP

Mars2501 [29]

What’s the question theirs nothing

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3 years ago

A page was missing from a 72 - page book. When Josh added up the remaining page numbers, the sum was 2521. Which page was missin

morpeh [17]

The numbers 1 to 72 add up to (1+72) x 72/2 = 73 x 36 = 2628
If we take away what Josh got we have 2628 - 2521 = 107
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107 / 2 = 53.5 so the missing page had 53 on one side and 54 on the other side.
The remaining pages would have been numbered 1, 2, 3, ..., 51, 52, 55, 56, ... 71, 72

8 0

3 years ago