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3 years ago

Please help me solve this

Mathematics

1 answer:

lapo4ka [179]3 years ago

6 0

Answer:

Sorry

Step-by-step explanation:

Can u add a better picture

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in a set of 9 balls, 5 are blue. the balls are placed into a bag. mark is trying to get a ball that is not blue. he picks one ba

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So what you will have to do is 45 alla you have to do is multiple

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3 years ago

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Sati [7]

Answer:

Step-by-step explanation:

8 0

1 year ago

Look at jasmine’s picture frame.what is its perimeter

DIA [1.3K]

7 + 7 + 5 + 5 (two sides are 7 and two sides are 5) = 24

5 0

3 years ago

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An arc with length 5 pi over 4 inches is formed by a 15 degree central angle what is the radius of the circle

Natalka [10]

Answer:

Radius of the circle is 15 inches.

Step-by-step explanation:

Relation between length of arc, radius and the angle subtended by the arc on center is:

$\theta = \dfrac{l}{r} ..... (1)$

where $\theta$ is the central angle in radians subtended by arc

$l$ is the length of arc

$r$ is the radius of arc

We are Given the following details:

$l = \dfrac{5\pi}{4}\ inch$

$\theta = 15^\circ$

We know that $\pi \ radians = 180 ^\circ$

Converting $\theta$ to radians:

$\theta =\dfrac{\pi}{180} \times 15$ radians

Putting the values of $\theta$ and $l$ to find the value of $r$

$\dfrac{\pi}{180} \times 15 = \dfrac{5\pi}{4r}\\\Rightarrow r = \dfrac{45}{3} \\\Rightarrow r = 15 \ inches$

Hence, Radius of the circle is 15 inches.

6 0

3 years ago

Evaluate the expression when a = 2. a^2+7a+7

Galina-37 [17]

Answer:

Step-by-step explanation:

a² + 7a + 7

a = 2

Plug in the value of 2 for every occurance of a.

(2)² + 7(2) + 7

First, solve the exponent.

4 + 7(2) + 7

Now, multiply.

4 + 14 + 7.

Add.

This is your answer.

Hope this helps!

7 0

3 years ago