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Sphinxa [80]
3 years ago
14

Help me please, Find a, b, and c.

Mathematics
2 answers:
Maksim231197 [3]3 years ago
5 0

Answer:It’s C

Step-by-step explanation:

Mama L [17]3 years ago
3 0

Answer:

a = 6*\sqrt{3}

b = 12

c = 6\sqrt{2}

Step-by-step explanation:

Since the triangles are right triangles with 60 and 45 degree angles, their side lengths follow special triangles.

A 45-45-90 right triangle has side lengths 1-1-\sqrt{2}.

A 30-60-90 right triangle has side lengths 1 - \sqrt{3} -2.

Starting with the top triangle which has a 60 degree angle, its side length 6 corresponds to a side length of 1 in the special triangle. It is 6 times bigger so its remaining sides will be 6 times bigger too.

Side a corresponds to side length \sqrt{3}. Therefore, a = 6*\sqrt{3}.

Side b corresponds to side length 2, b = 2*6 = 12.

The bottom triangle has a 45 degree angle, its side length b= 12 corresponds to \sqrt{2}. This means \sqrt{2} was multiplied by 12 = \sqrt{2} * \sqrt{72}. This means that side c is \sqrt{72}=6\sqrt{2}.

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A library checked out 52 books. 24 are fiction books what is the ratio for fiction to non fiction books. Please show how it is d
yarga [219]

Answer:

6 : 7

Step-by-step explanation:

Total books = 52

Fiction books = 24

Non-Fiction = Total - fiction

= 52 - 24

= 28

Therefore, the ratio from fiction to nonfiction would be

fiction : nonfiction

= 24 : 28

Simplify

= 12 : 14

= 6 : 7




7 0
3 years ago
Can someone help? I need it ASAP
BaLLatris [955]

Answer:

\sqrt{9} and \sqrt{16}

3 and 4

Step-by-step explanation:

lies between \sqrt{9} and \sqrt{16}

= 3≤ \sqrt{10} ≤4

6 0
3 years ago
Which expression below gives the average rate of change of the function g(x)= -x^2 -4x on the interval 6 ≤ x ≤ 8?
DiKsa [7]
The average rate of change of a function, g(x), over an interval [a, b] is given by 

Average\ rate\ of\ change= \frac{g(b)-g(a)}{b-a}

Thus, the average rate of change of g(x)=-x^2-4x over the interval 6\leq x\leq8 is given by:

Average\ rate\ of\ change= \frac{[-(8)^2-4(8)]-[-(6)^2-4(6)]}{8-6} \\  \\ = \frac{(-64-32)-(-36-24)}{2} = \frac{-96-(-60)}{2} = \frac{-96+60}{2} = \frac{-36}{2}  \\  \\ -18
6 0
3 years ago
Y is directly proportional to x squared. if y=12 when x=2 find x when y=48
Alexxx [7]

Answer:

x = 4

Step-by-step explanation:

y = kx²

NOTE: k is constant for proportionality

putting values for x and y

if x is 2

and y is 12

12 = k(2)²

12 = k4

12 = 4k

divide both sides by coefficient of k

12÷4 = 4k ÷ 4

k=3

substitute 3 for k

therefore when

y is 48

and k is constant 3

then x will be:

48=3x²

divide both sides by coefficient of x²

48 divide by 3 = 3x² divide by 3

16=x²

take the square root of both sides

√16 = √x²

x = 4

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3 years ago
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0 is 500mg and the numbers above are larger.
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3 years ago
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