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4 years ago

34 - (6.78+2.54)= how do you solve this

Mathematics

2 answers:

Iteru [2.4K]4 years ago

8 0

Add 6.78 and2.54 and then subtract it and get yo

faust18 [17]4 years ago

4 0

First add the numbers inside the parenthesis.
You are left with 34-9.32
Then subtract 9.32 from 34 and you get 24.68

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Joanne has a cylindrical, above ground pool. the depth (height) of the pool is 1/2 of its radius, and the volume is 1570 cubic f

scoundrel [369]

Answer:

$\sqrt[3]{3140^2\pi}\approx 146.41\ ft^2$

Step-by-step explanation:

The volume of the cylinder is

$V_{cylinder}=\pi r^2\cdot H,$

where r is the base radius and H is the height.

Since $H=\dfrac{1}{2}r$ and V=1570 cubic feet, then

$1570=\pi r^2\cdot \dfrac{r}{2},\\ \\1570=\dfrac{\pi r^3}{2},\\ \\r^3=\dfrac{3140}{\pi},\\ \\r=\sqrt[3]{\dfrac{3140}{\pi}}\ ft.$

The area of its bottom floor is

$A_{floor}=\pi r^2=\pi\cdot \left(\sqrt[3]{\dfrac{3140}{\pi}}\right)^2= \sqrt[3]{3140^2\pi}\approx 146.41\ ft^2.$

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3 years ago

How could i find the value of this expression?

Sladkaya [172]

Answer:

you plug in the numbers

Step-by-step explanation:

Please mark brainliest!!

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3 years ago

Read 2 more answers

Use the remainder theorem to find the remainder of 2x^4 + x^2 - 10x -1 divided by x +2.

I am Lyosha [343]

Answer:

The remainder is 55

Step-by-step explanation:

Let

$p(x)= 2 {x}^{4} + {x}^{2} - 10x - 1$

According to the remainder theorem, if p(x) is divided by x+a, the remainder is p (-a).

The given divisor is x+2, therefore the remainder is given by:

$p( - 2)$

We substitute x=-2 to get:

$p( - 2)= 2 {( - 2)}^{4} + {( - 2)}^{2} - 10( - 2) - 1$

We simplify to obtain:

$p( - 2)= 2 \times 16 + 4 + 20- 1$

We multiply to get:

$p( - 2)=3 2 + 4 + 20- 1 = 55$

Therefore the remainder is 55

4 0

3 years ago

18÷3961528 <br>porfavor me dicen como hacerla

Step2247 [10]

(3*3*2)/(2*2*2*307*1613) (factores primos)
(3*3)/(2*2*307*1613) (simplificar)
9/1980764 (fracción más simple)
0.0000045437 (decimal)

¡Espero que esto ayude!

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3 years ago

I GIVE THANKS AND 5 STARS!!

12345 [234]

At least 21....I hope you pass what ever you are doing!

8 0

3 years ago