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IrinaK [193]
3 years ago
8

What is the area rounded to the nearest square centimeter

Mathematics
2 answers:
77julia77 [94]3 years ago
6 0
138cm is my answer that I came up with
xz_007 [3.2K]3 years ago
3 0
This is a kite. We can split it into 2 equal triangles.

Length = 42.7 + 22.5 = 65.2cm
Height = 16.3 cm

Area of triangle = 1/2 x base x height

2 Area of triangles = 2( 1/2 x 65.2 x 16.3) =  1063 cm² (nearest cm)

Answer: 1063 cm² (Answer B)
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a spinner is divided into eight equal parts numbered 1 to 8. if the spinner is spun once, what is the probability that it stops
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Since the total number of available selections is divided by two, the probability is 50%.  If we look at the total set of numbers, we find that even numbers are multiples of 2.  2, 4, 6, 8 (which makes up half of the numbers on the spinner).

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3 years ago
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Consider the following function. f(x) = 16 − x2/3 Find f(−64) and f(64). f(−64) = f(64) = Find all values c in (−64, 64) such th
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Answer:

This does not contradict Rolle's Theorem, since f '(0) = 0, and 0 is in the interval (−64, 64).

Step-by-step explanation:

The given function is

f(x)=16-\frac{x^2}{3}

To find f(-64), we substitute x=-64 into the function.

f(-64)=16-\frac{(-64)^2}{3}

f(-64)=16-\frac{4096}{3}

f(-64)=-\frac{4048}{3}

To find f(64), we substitute x=64 into the function.

f(64)=16-\frac{(64)^2}{3}

f(64)=16-\frac{4096}{3}

f(64)=-\frac{4048}{3}

To find f'(c), we must first find f'(x).

f'(x)=-\frac{2x}{3}

This implies that;

f'(c)=-\frac{2c}{3}

f'(c)=0

\Rightarrow -\frac{2c}{3}=0

\Rightarrow -\frac{2c}{3}\times -\frac{3}{2}=0\times -\frac{3}{2}

c=0

For this function to satisfy the Rolle's Theorem;

It must be continuous on [-64,64].

It must be differentiable  on (-64,64).

and

f(-64)=f(64).

All the hypotheses are met, hence this does not contradict Rolle's Theorem, since f '(0) = 0, and 0 is in the interval (−64, 64) is the correct choice.

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Answer:

Step-by-step explanation:do you have the answers to choose from?

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Destiny designs necklaces.
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Answer:

Step-by-step explanation:

Well, the ratio of yellow beads to blue beads is 4:5. The best way I think is to guess and check multiplying the ratio by integers. You need between 15 and 20.

4 : 5 ( = 9 too little )

8 : 10 ( = 18 just right)

12 : 15 ( = 27 too much)

So per necklace, 8 yellow beads and 10 blue beads would be needed. 

I hope this helps :-)

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What is three and three sevenths plus two and a half?
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Answer: 5.928 and so on

Step-by-step explanation:

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