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NemiM [27]
3 years ago
11

What is 648 divided by 4 in long division?

Mathematics
1 answer:
Rainbow [258]3 years ago
7 0

The answer is 162

I hope this help

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What is 12/6 multiple 2/3
Arada [10]

Answer:

\frac{4}{3}

Step-by-step explanation:

Simplify your first fraction.

\frac{12}{6} =2

Solve by multiplying your numerators against each other and your denominators against each other.

\frac{2}{1} *\frac{2}{3} =\frac{4}{3}

6 0
3 years ago
Read 2 more answers
Write the exact value of the area of a square with a side length of √30 square units? *
liberstina [14]

Answer:

A=30u^2

Step-by-step explanation:

Information that we know about the square:

side length: l=\sqrt{30u^2} which can asol be expressed as: l=\sqrt{30}u

we can use this information to calculate the area by the formula for the area of a square:

A=l^2

we subtitute the side length:

A=(\sqrt{30}u )^2

the square root and the squared exponent cancel each other out (because they are opposite operations) and since this is an area it must have squared units:

A=30u^2

The exact value of the area of the square is 30u^2

6 0
3 years ago
Simplify $\frac{1+\sqrt{2}}{2+\sqrt{3}}$. Your solution can be converted to the form $A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})$, where
Zina [86]

Answer:

A+B+C+D = 13

Step-by-step explanation:

The given expression is:

\dfrac{1+\sqrt{2}}{2+\sqrt{3}}

We have to simply it and express it in the form of:

A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})

Multiply and divide the given expression with 2-\sqrt 3:

\dfrac{1+\sqrt{2}}{2+\sqrt{3}} \times \dfrac{2-\sqrt 3}{2-\sqrt 3}\\\Rightarrow \dfrac{(1+\sqrt{2}) \times (2-\sqrt 3)}{(2+\sqrt{3})\times (2-\sqrt 3)}\\\Rightarrow \dfrac{2+2\sqrt2-\sqrt3-\sqrt6}{2^2-(\sqrt{3})^2}\\\Rightarrow \dfrac{2+2\sqrt2-\sqrt3-\sqrt6}{4-3}\\\Rightarrow \dfrac{2(1+\sqrt2)-(\sqrt3+\sqrt6)}{1}\\\Rightarrow 2(1+\sqrt2)-(\sqrt3+\sqrt6)

It is the simplified form of given expression.

<u>Formula used: </u>

<u></u>(a+b)(a-b) = a^{2} -b^{2}<u></u>

<u></u>

<u>Comparing the simplified expression with </u>A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})<u></u>

2(1+\sqrt2)-(\sqrt3+\sqrt6)=A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})\\\Rightarrow A =2, B=2, C=3\ and\ D=6

So, value of

A+B+C+D = 2+2+3+6 = 13

8 0
4 years ago
Meg invested $16,000 in a savings account. If the annual interest rate is 6%, how much will be in the account in 5 years for qua
nexus9112 [7]

Answer:

In 5 years the account will be $ 21,549.68.

Step-by-step explanation:

Given that Meg invested $ 16,000 in a savings account, if the annual interest rate is 6%, to determine how much will be in the account in 5 years for quarterly compounding, the following calculation must be performed:

16,000 x (1 + 0.06 / 4) ^ 5x4 = X

16,000 x 1,015 ^ 20 = X

16,000 x 1.34685500 = X

21,549.68 = X

Therefore, in 5 years the account will be $ 21,549.68.

8 0
3 years ago
I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would
Diano4ka-milaya [45]
Answer- 971.76 yd^3 (btw I used pi not 3.14)
Explanation:
Solve for the volume of the cone
V=pi*r^2*h/3
V=pi*10^2*22/3
V= 2408.55
Next solve for the volume of the sphere
V=4/3*pi*r^3
V=4/3*pi*7^3
V=1436.76
The last step it to subtract the volume of the sphere from the volume of the cone
2408.55-1436.76=971.76
6 0
3 years ago
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