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3 years ago

PLEASE HELP!!! I WILL RATE YOU 5 STARS IF CORRECT!!!!

Mathematics

2 answers:

katen-ka-za [31]3 years ago

8 0

Answer:

c=√2

Step-by-step explanation:

Use the Pythagorean theorem:

$a^{2} +b^{2} =c^{2}$

$1^{2} +1^{2} =c^{2}$
c=√2

Vlad1618 [11]3 years ago

6 0

I believe by using
$a ^{2} + b ^{2} = c ^{2} \: \: \: \: \: you \: will \: plug \: in \: 1 \: for \: a \: and \: b \: then \: find \: the \: square \: root \\$ you will plug in 1 for A and B then you will find the square root of the number you get after you square A and B and add them together. then you should have your answer

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Subject : Maths Level : High school Topic : Surds Points : 72

Mila [183]

Answer:

a = 5

Step-by-step explanation:

Simplify:

√5(√8 + √18) =
√5*8 + √5*18 =
√40 + √90 =
√4*10 + √9*10 =
2√10 + 3√10 =
(2 + 3)√10 =
5√10

The value of a:

a√10 = 5√10
a = 5

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3 years ago

I’ll give brainliest to whoever can do this

tino4ka555 [31]

i forgot hiw to do that

Step-by-step explanation:

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3 years ago

Please help... What is the exact volume of the sphere?

Stels [109]

Answer:

$\large\boxed{V=366.16\pi\ ft^3}$

Step-by-step explanation:

$\text{The formula of a volume of a sphere:}\\\\V=\dfrac{4}{3}\pi R^3\\\\\text{We have}\ R=6.5\ ft.\ \text{Substitute:}\\\\V=\dfrac{4}{3}\pi(6.5)^3=\dfrac{4}{3}\pi(274.625)=\dfrac{1098.5}{3}\pi\approx366.16\pi\ ft^3$

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3 years ago

If f(x) equals x/2+8 what is f(x) when x=10

Sphinxa [80]

Answer:

Step-by-step explanation:

Since we want to find f(x) when x equals 10, we can substitute 10 in for x

f(x)=x/2 +8

f(10)=10/2+8

Divide 10 by 2

f(10)=5+8

Add 5 and 8

f(10)=13

So, f(x) when x=10 is 13

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3 years ago

Read 2 more answers

How is a kite always a quadrilateral?

sleet_krkn [62]

Answer: A kite is always a quadrilateral because quadrilaterals have 4 sides

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3 years ago