3 years ago

2 Sqrt5 + 3 sqrt8 equals ?

Mathematics

1 answer:

fomenos3 years ago

3 0

2 * Sqrt 5 = 4.4
Sqrt 5 = 2.2
3* Sqrt 8 = 8.4
Sqrt 8 = 2.8
8.4 + 4.4 = 12.8

You might be interested in

The _______ is the distance around a circle.

AnnyKZ [126]

The circumference is the correct.

It can be found using the formula,

$circumference = 2 \pi \: r$

3 0

3 years ago

Read 2 more answers

2 questions in one.<br> Help?..

daser333 [38]

Answer:

2. 3

3. 4^45

Step-by-step explanation:

${ ({5}^{4} ) }^{m} = {5}^{12} \\ = > {5}^{4m} = {5}^{12} \\ = > 4m = 12 \\ = > m = \frac{12}{4} \\ = > m = 3 \\ \\ number \: of \: books \: at \: library \\ = {({4}^{9})}^{5} \times {4}^{0} \\ = {4}^{45} \times 1 \\ = {4}^{45}$

4 0

3 years ago

Read 2 more answers

The cost of a t-shirt is 8.50. David has $50 with him. How many t-shirt can he buy?

anzhelika [568]

50÷8.5 = 5.88 but since we can’t have .88 of a person the answer would be five T-shirts

3 0

2 years ago

An equivalent expression for n x a using only addition

Rina8888 [55]

<u /><u /><u /> $n\times a\quad =\quad (a+a+a+a+a+.....+a)$

6 0

3 years ago

Read 2 more answers

Which of the following is the radical expression of a5/7

ioda

Answer:

The seventh root of a^5

Step-by-step explanation:

$a^{5/7}$

is equal to

$\sqrt[7]{a^5}$

because

$b^{1/m} = \sqrt[m]{b}$

hope this makes sense and helps

6 0

3 years ago