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2 years ago

Someone please help me in this please.

Mathematics

1 answer:

yan [13]2 years ago

7 0

Answer:

for the number 13

Step-by-step explanation:

$x = \sqrt{9 { }^ {2} + 6 { }^{2} }$

by Pythagoras theorem

x= √81+36

x= √117

punch square root of 117 with a calculator, I don't have one now

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Need help please don't know this

vesna_86 [32]

Perimeter = 2w + 2l
2(8x+2) + 2(6x + 6)
Use distributive property
16x + 4 + 12x + 12
Combine like terms
28x + 16

Solution: 28x + 16

3 0

2 years ago

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Help me in number 8 plzz

Karo-lina-s [1.5K]

8a) The monthly rainfall is 3.6

8b) Deviation for May is 1
Deviation for June is 2.725
Deviation for July is 0.65

8c) Yes, the average annual rainfall was exceeded by 0.525

Please give me a rating if this helped

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B45%5D%7B55%3F%7D%20" id="TexFormula1" title=" \sqrt[45]{55?} " alt=" \sqrt[45]{55

m_a_m_a [10]

Answer:

6π cm³

Step-by-step explanation:

V = Ah ( A is the base area and h the height ), then

3πh = 18π ( divide both sides by 3π )

h = = 6

Then the height of the smaller cylinder = 6 - 3 = 3 cm

V = 3π × 3 = 9π cm³ ← volume of smaller can

Step-by-step explanation:

7 0

2 years ago

Alla and balla together drink 750ML of water. Of alla drinks 50% more than balla how much does Alla drink

Akimi4 [234]

Answer:

450 ml.

Step-by-step explanation:

Let x be the amount of water drank by Alla and y be the amount of water drank by Balla.

We have been given that Alla and Balla together drink 750 ML of water. We can represent this information as:

$x+y=750...(1)$

We are also told that Alla drinks 50% more than Balla. We can represent this information as:

$x=1.5y...(2)$

From equation (1) we will get,

$y=750-x$

Upon substituting this value in equation (2) we will get,

$x=1.5(750-x)$

Upon distributing 1.5 to right hand side of the equation we will get,

$x=1125-1.5x$

Upon adding 1.5x to both sides of equation we will get,

$x+1.5x=1125-1.5x+1.5x$

$2.5x=1125$

Let us divide both sides of our equation by 2.5.

$\frac{2.5x}{2.5}=\frac{1125}{2.5}$

$x=450$

Therefore, Alla drank 450 ml of water.

8 0

3 years ago

What is 4.9 x 10 -3 in standard form?

lidiya [134]

The answer is B! Good luck!

4 0

3 years ago

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