MATHEMATICS HIGH SCHOOL

A swimming pool holds 900 cubic meters of water. If its length is 20 meters and its height is 3 meters, find its width

Answers

Answer 1
Answer: V=900m³

V=L*w*h

V=20*3*w
V=60*w

60*w=900

w=900/60
w=15m
Answer 2
Answer: Volume \ of \ a \ Cuboid: \n \n V=9000 m^3 \nthe \ length : \ l=20 \ m \n the \ height: \ h=3 m \n the \ width : \ w= ? \n \nV= l\cdot w \cdot h \n \n900 =20 \cdot w \cdot 3 \n \n900=60w \ \ / :60\n \n w=15 \ m \n\nAnswer : \ A \ swimming \ holds \ 15 \ meters\ the \ width .

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What is the value of k ?

Answers

120 hope this helps ;)

The sum of three consecutive integers is 267 what is the largest integer

Answers

Well 88 + 89 + 90 = 267. So the largest integer is 90.
If we cal lthe first number 'n' then we know that the numbers are n, n+1 and n+2 and we know the sum:
n+(n+1)+(n+2)=267
therefore:
3n+3=267
3n=264
n=88

The numbers are 88,89,90, the largest of which is 90.

To check: 88+89+90=267. Checks.

What is the answer to 2(5x+4)=8

Answers

Answer:

So first we have 10x = 0. We divide by 10 on both sides, so then we get x = 0. We still have 0 because 0/10 = 0.

So that means that the answer is

Write 10 in the first box 10 in the second

x=0

Answer:

? = 10

Step-by-step explanation:

2(5x+4)=8 - DISTRIBUTE

= 10x + 8 = 8

10x + 8 = 8

- 8

10x = 0

10x/10 = 0/10

x = 0

Johnny stated "All prime numbers are odd." Charlene responded, "I can demonstrate that your statement is false."Which explanation is sufficient to prove Johnny's statement is false?



Answer choices are
A)Many prime numbers have a difference of two, such as 5 and 7, 11 and 13, and 41 and 43.

B)The numbers 15, 35, 21, are all odd, but not prime numbers.

C)There could be a very large number that is even and prime.

D)The number 2 is a counterexample.

Answers

Only number 2 is prime and even number.

Option D is correct.

Prime and even number :

A prime number is a whole number greater than 1 whose only factors are 1 and itself.

  • A factor is a whole number that can be divided evenly into another number.
  • The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.
  • An even number is a number that can be divided into two equal groups.
  • An odd number is a number that cannot be divided into two equal groups.

From above definition of numbers, It is observed that 2 is prime and even number.

Thus, statement  "All prime numbers are odd " is false.

Learn more about the Number system here:

brainly.com/question/17200227

\text{Hello There!}

\bf\text{All prime numbers are ultimately odd besides 2 because it is a factor.}

\text{Therefore, he would be close, but incorrect at some extent.}

\bold{So\;D\;would\;be\;your\;answer.}

\huge\text{I hope this helped! (:}

\rule{250}{1.5}

Multiply (4 + i)(1 − 5i). 9 − 19i
−1 − 19i
4 − 5i2
4 − 19i − 5i2

Answers

(4 + i)(1 - 5i)

First, expand to get rid of parentheses.
4 - 20i + i + 5
Second, gather the like terms which contain the same variables. 
(4+5) + (-20i + i)
Third, add 4 + 5.
9 + (-20i + i)
Fourth, subtract -20i + i.
9 - 19i

Answer: 9 - 19i

Answer:

OTHER PERSON IS CORRECT ITS 9 - 19i

I would give an explanation but they said it!!

Xoxo

The length of a rectangle is 5cm longer than its width.If the perimeter of the rectangle is 66cm, find its length and width.

Answers

Answer:

width is 14, length is 19

Step-by-step explanation:

let w represent the width of the rectangle.

"The length of a rectangle is 5 cm longer than its width."

You can take from this that you must add 5 to the width to get the length.

so, you can now write that L=w+5 .


The formula for perimeter is 2w+2L.

You can plug the values in.

2w+2(w+5) is the expression you get.

use distributive property on the 2(w+5) to get 2w+ 2w+10 . Add same terms together and get 4w+10, which represents the perimeter.

"..The perimeter of the rectangle is 66 cm."

Set the simplified expression 4w+10 to 66 to get

4w+10=66

Subtract 10 from both sides and get

4w=56

divide by four for both sides and get w=14 .

We are not done yet!

To find the length, plug the width back into our formula L=w+5 and get L=14+5. The length is 19.
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