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4 years ago

23 red marbles is 40% of _ marbles

Mathematics

1 answer:

andre [41]4 years ago

6 0

Answer:

57.5 marbles rounding to 58 if you do not have partial marbles

Step-by-step explanation:

The number of marbles is equal to the percent of the marbles times the total number of marbles

23 = 40% total marbles

Change to decimal form

23 = .40 M

Divide by .40

23/.40 = .40M/.40

57.5 = M

This question is odd since you can't have part of a marble

I would round up and have 58 marbles

58 *.40 = 23.2 marbles

You might be interested in

1011+111 in binary form

Ann [662]

Answer:

10010

Step-by-step explanation:

$1011=1(2)^3+0(2)^2+1(2)^1+1(2)^0$

$111=1(2)^2+1(2)^1+1(2)^0$

So $1011+111$ gives us:

$1(2)^3+0(2)^2+1(2)^1+1(2)^0$

$+$

$1(2)^2+1(2)^1+1(2)^0$

-----------------------------------------------------

Combine like terms:

$1(2)^3+(0+1)(2)^2+(1+1)(2)^1+(1+1)(2)^0$

$1(2)^3+1(2)^2+(2)(2)^1+(2)(2)^0$

We aren't allowed to have a coefficient bigger than 1.

I'm going to replace $2^0$ with 1 and $2$ with $(2)^1$ :

$1(2)^3+1(2)^2+(2)^2+(2)^1(1)$

I want a $2^0$ number:

$1(2)^3+1(2)^2+1(2)^2+1(2)^1+0(2)^0$

Combine like terms:

$1(2)^3+2(2)^2+1(2)^1+0(2)^0$

$2(2)^2=2^3$ :

$1(2)^3+2^3+1(2)^1+0(2)^0$

Combine like terms:

$2(2)^3+1(2)^1+0(2)^0$

We can rewrite the first term by law of exponents:

$2^4+1(2)^1+0(2)^0$

$1(2)^4+1(2)^1+0(2)^0$

So the binary form is:

$10010$

Maybe you like this way more:

Keep in mind 1+1=10 and that 1+1+1=11:

Setup:

1 0 1 1

+ 1 1 1

------------------------------

(1) (1) (1)

1 0 1 1

+ 1 1 1

------------------------------

1 0 0 1 0

I had to do some carry over with my 1+1=10 and 1+1+1=11.

8 0

3 years ago

Hours worked / pay

Nadusha1986 [10]

It is c because 8x2=16 and 8x4=32 and so on

7 0

3 years ago

Mr. Chu's cherry tree grew 12 inches in

DanielleElmas [232]

Answer:

16 inches after one year

Step-by-step explanation:

in 3/4 a year tree grew 12 inches

divide by 3

multiply by 4

16 inches

7 0

3 years ago

students set up 6 rows of seats for a music concert. they put 6 seats in each row. what is the total number of seats? solve this

Mariulka [41]

Answer:

Step-by-step explanation:

becuase each row has 6 in them and there are 6 rows so 36 is the final answer

8 0

3 years ago

Read 2 more answers

A cruise ship is traveling south going approximately 22 mph when it hits the Gulf Stream flowing east at 4 mph. Which expression

alexira [117]

<h2>Hello!</h2>

The answer is:

The correct option is

a) $Resultant=\sqrt{22^{2} +4^{2} }$

Since a right triangle is formed, we can calculate the resultant force using the Pythagorean Theorem which states that:

$c=\sqrt{a^{2}+b^{2}}$

Where,

c, is the hypothenuse.

a, is one triangle leg.

b, is the other triangle leg.

So, we are given the information:

$a=22mph$

$b=4mph$

So, calculating the resultant force (hypothenuse), we have:

$Resultant=\sqrt{22^{2} +4^{2} }$

Hence, the expression that would find the result velocity is:

a) [tex]Resultant=\sqrt{22^{2} +4^{2} }[/tex]

Have a nice day!

4 0

3 years ago