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3 years ago

PLEASE PLEASE HELP!!!!!!

Mathematics

1 answer:

Nuetrik [128]3 years ago

6 0

Answer:

28cm^2

Step-by-step explanation:

The first thing we will do is split this shape into three different rectangles. You can see how I split it up by looking at the picture attached to this answer.

You can see that we are missing a measurement at the bottom (I labeled it "x"). In order to find x, we just need to subtract 3cm from 5cm.

Doing this, we find that x = 2cm.

Now you just find the area of the three boxes and add them together.

The area of the box on the top right = 3*2 which = 6cm^2.

The area of the box on the bottom right is the same. 3*2=6cm^2

The area of the box on the left = 8*2 which = 16cm^2.

6 + 6 + 16 = 28cm^2

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Someone help I don't know what the diameter or radius is

Elenna [48]

<h3>Answer:</h3>

52.38 inch² & 261.90 inch²

<h3>Step-by-step explanation:</h3>

Here we need to find the area of the sector . So according to formula we know the area of sector as ,

$\boxed {\sf Area_{(sector)}= \dfrac{\theta}{360}\times \pi r^2 }$

Here we can see that the central angle subtended by the arc is 60° and the radius of the circle is 10 inches . So the required area would be ,

=> Area = ∅/ 360° × π r²

=> Area = 60°/360° × 22/7 × (10in.)²

=> Area = 1/6 * 22/7 * 100 in²

=> Area = 52 .380 in²

<h3>★ Hence the area of the red sector is 52.38 inch².</h3>

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Now let's find out the area of blue sector .The angle subtended by the arc will be (360-60)°=300° .

=> Area = 300/360 × 22/7 × 100 in²

=> Area = 261. 90 in²

<h3>★ Hence the area of blue sector is 261.90 inch².</h3>

$\boxed{\red{\sf Area _{(red \ sector )} = 52.38 in^2 }}$

$\boxed{\blue{\sf Area _{(blue \ sector )} = 261.90 in^2 }}$

5 0

3 years ago

I NEED HELP ASAP!!!!!!!!

geniusboy [140]

Answer: b

Step-by-step explanation:

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3 years ago

Evaluate Combination (6,6)

andrew11 [14]

Answer:

$nCx = \frac{n!}{x! (n-x)!}$

On this case n =6 and x =6 we got:

$6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1$

Step-by-step explanation:

The utility for the combination formula is in order to find the number of ways to order a set of elements

For this case we want to find the following expression:

$6C6$

And the general formula for combination is given by:

$nCx = \frac{n!}{x! (n-x)!}$

On this case n =6 and x =6 we got:

$6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1$

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3 years ago

What is the factored form of the expression x^2 + 3x-4?

Leona [35]

Answer:

(x-4)(x-4)

Step-by-step explanation:

Because the factors of 16 that add up to -8 can be -4 and -4.
Let's plug it in...
16 - 32 + 16 = 0

It works!!!

ANswer is (x-4)(x-4)

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2 years ago

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3 years ago

PLEASE PLEASE HELP!!!!!!​

PLEASE PLEASE HELP!!!!!!