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3 years ago

a) work out the value of 4^3-5^2 b) work out the value of 6^2+3^3

Mathematics

2 answers:

Dmitriy789 [7]3 years ago

5 0

The answer of the given questions

a) 39 and b) 63

Step-by-step explanation:

Here are the solutions of given questions

a) $4^{3} -5^{2}$

=64-25

=39

b) $6^{2} +3^{3}$

= 36+27

= 63

ahrayia [7]3 years ago

3 0

Answer:

(a) 39

(b) 63

Step-by-step explanation:

(a) 4^3-5^2

In this kind of equation, ensure that the square on each of the figures is well treated

Deal with the square first before dealing with the given equation

Here it's goes

4^3 means cube of 4 which means 64

5^2 means square of 5 which is 25

Back to the question

4^3-5^2

64-25

=39

Therefore the final answer is 39

(b)6^2+3^3

Which means 6^2 square of 6 and it equals to 36

3^3 means cube of 3 which equals to 27

Back to the question

6^2+3^3

36+27

=63

Therefore the final answer is 63

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Masteriza [31]

Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

A circle with center (-2,-4) and radius 5 represents all the points whose distance from the point (-2,-4) is 5.

Standard form of a circle is

$(x-h)^2+(y-k)^2=r^2$

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$(x-(-2))^2+(y-(-4))^2=(5)^2$

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Now, put x=2.

$(2+2)^2+(y+2)^2=25$

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$(y+2)^2=9$

Taking square root on both sides.

$y+2=\pm\sqrt{9}$

$y+2=\pm3$

$y+2=-3\text{ or }y+2=3$

$y=-5\text{ or }y=1$

So, the y-coordinates of the points are -5 and 1.

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Step-by-step explanation:

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2 years ago

a) work out the value of 4^3-5^2 b) work out the value of 6^2+3^3​

a) work out the value of 4^3-5^2 b) work out the value of 6^2+3^3