2 years ago

Can anybody solve this for me

Mathematics

1 answer:

Helga [31]2 years ago

5 0

Step-by-step explanation:

Square root of 25 can be +5 or -5

Square root of 16 can be +4 or -4.

As -5 can be square root of 25 and +4 can be a root of 16 , -5 < +4 . That's why square root of 25 could be less than square root of 16.

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In a big garden 60% of the trees are coconut trees,25%of the number of coconut trees are mango trees and 20% of the number ofof

AVprozaik [17]

the number of trees in the garden = x
coconut trees = 0.6x
mango trees = 0.6x * 0.25 = 0.15x
apple trees = 0.15x * 0.2 = 0.03x

0.03x = 1500
x = 1500/0.03
x = 50 000 ← the number of trees in the garden.

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3 years ago

The area of a circle is 43.25cm2. Find the length of the radius rounded to 2 DP.

Monica [59]

Answer:

3.71 cm

Step-by-step explanation:

Hi there!

Area of a circle equation: $A=\pi r^2$ where r is the radius

Plug in the area 43.25 cm²

$43.25=\pi r^2$

Divide both sides by π to isolate r²

$\frac{43.25}{\pi} =\frac{\pi r^2}{\pi} \\\frac{43.25}{\pi}=r^2$

Take the square root of both sides to isolate r

$\sqrt{\frac{43.25}{\pi}} =r\\3.71=r$

Therefore, the length of the radius rounded to 2 decimal points is 3.71 cm.

I hope this helps!

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2 years ago

If a function f(x)=x^3 has the domain {-3,0,2,4} what is it's range

torisob [31]

27, 0, 8, 64
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2 years ago

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natali 33 [55]

Answer:

No acceleration, 4 m/s

Step-by-step explanation:

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3 years ago

In 2010, Isaiah paid $6,910 in federal income tax. In 2011, he paid $8,292. What is the percent of increase in the amount paid?

Romashka-Z-Leto [24]

I need help on this same one lol

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2 years ago

Can anybody solve this for me​

Can anybody solve this for me