Find the measure of the missing angle. 21° a

Mathematics

1 answer:

Citrus2011 [14]2 years ago

5 0

Answer:

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Step-by-step explanation:

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Megan ate 3/4 of a cookie. wrote and equivalent fraction for the amount of cookie Megan didn't eat

Inessa [10]

1 cookie=number/number where number stays constant so
1 cookie=1/1,2/2,3/3,4/4,5/5, etc

so if 3/4 of cookie eaten
the bottom number tells how many in the whole or 1 so
whole=4/4
4/4-3/4=1/4
1/4=not eaten
equivilent, multiply top and bottom number by same number
1/4 times 2/2=2/8
1/4 times 4/4=4/16

3 0

2 years ago

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Find the diameter of a circle with an area of 226.98

andrey2020 [161]

Remember the formula of the area of a circle is:
$V = \pi * r^{2}$
SO given that
V = 226.98
and $\pi = 3.14$
Plug in a chug
226.98 = 3.14 * $r^{2}$
$r^{2}= 72.287$
r = 8.50

Remember that d = 2 * r
d = 2 * 8.5 = 17

3 0

3 years ago

The depth of water near a boat dock is collected by a buoy. The data shows that the water level reached 11 feet during high tide

Scorpion4ik [409]

9514 1404 393

Answer:

9.17 ft

Step-by-step explanation:

Put x=12 in the equation and evaluate. (The sine argument is in degrees.)

y = 1.5·sin(25.72(12 +1.5)) +9.5 = 1.5·sin(347.22) +9.5

y = -0.33 +9.5 = 9.17

The water will be 9.17 feet deep at noon.

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2 years ago

If the length of diagonal of a square is 4√2 cm, find it's length, perimeter and area.

Sonbull [250]

Answer:

As Per Provided Information

Length of diagonal of square is 4√2 cm

We have been asked to find the length , perimeter and area of square .

First let's calculate the side of square .

Using Formulae

$\boxed{\bf \:Diagonal_{(Square)} \: = side \sqrt{2}}$

On substituting the value in above formula we obtain

$\qquad\longrightarrow\sf \:4 \sqrt{2} = side \sqrt{2} \\ \\ \\ \qquad\longrightarrow\sf \:4 \cancel{\sqrt{2}} = side \cancel{ \sqrt{2}} \\ \\ \\ \qquad\longrightarrow\sf \:side \: = 4 \: cm$