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Zielflug [23.3K]

2 years ago

10

PLEASE HELP PLEASEEEEE I AM GIVING 30 POINTS IF YOU ARE RIGHT

2 answers:

steposvetlana [31]2 years ago

7 0

Answer:

option 3

Step-by-step explanation:

vovangra [49]2 years ago

5 0

Answer:

the third one

Step-by-step explanation:

HOPE THIS HELPS!!!!

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URGENT ANSWER FAST PLEASE

xeze [42]

410.3ft^3. is correct

volume of the sphere with 3ft radius :
$\frac{4 \times \pi \times 3 \times 3 \times 3}{3} = 113$

volume of the sphere with 5ft radius:
$\frac{4 \times \pi \times 5 \times 5 \times 5}{3} = \frac{1570}{3} = 523.3$

difference
$523.3 - 113 = 410.3$

good luck

7 0

3 years ago

Compare 900 cm 9000 mm

dmitriy555 [2]

9000mm is equivalent to 900cm

3 0

3 years ago

A stock price closed at the same price, 541.45, on the first day and last day of a

Irina-Kira [14]

This is the answer yeah I not sure but I saw it somewhere

8 0

3 years ago

the area of asquare field is 2.25 hectares.find its perimeter in metres if hectare is qual to 10000square metres

Sergio [31]

Answer:

Perimeter of the square field is 600 meters.

Step-by-step explanation:

Given:

Area of a square field = 2.25 hectares

1 hectare = 10000 m²

∴2.25 hectares = $2.25\times10000 = 22500$ m²

Now, let each side length of the square field be $a$ meters.

∴ Area = $a^{2}$

⇒ $22500 = a^{2}$

⇒ $a=\sqrt{22500}=150$ m

Now, perimeter of a square is given as, $P = 4a$ .

Here, $a=150$ m.

∴ $P=4\times150=600$ m

Hence, the perimeter of the square field is 600 meters.

8 0

3 years ago

Please its very urgent :( Name five whole numbers that can be expressed as the difference of two perfect squares. Show the math!

Tatiana [17]

Answer:

9, 17, 3, 1600, 11

Step-by-step explanation:

Difference of two perfect squares:

$a^2-b^2=(a-b)(a+b)$

It seems that you want some

$x=a^2-b^2, x \in \mathbb{Z}_{\ge 0}$

Note: there's no official symbol for the set of whole numbers, I've already seem $\mathbb{W}, \mathbb{Z}^+$ , as well.

$5^2-4^2=25-16=9$

There are infinitely many numbers that can satisfy the condition given.

The only condition is that $a\geq b$ , once we are considering whole numbers and not integers.

$x_{1}=5^2-4^2=25-16=9$

$x_{2}=9^2-8^2=81-64=17$

$x_{3}=2^2-1^2=4-1=3$

$x_{4}=50^2-30^2=2500-900=1600$

$x_{5}=6^2-5^2=36-25=11$

3 0

2 years ago