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1 year ago

Find the area of the rectangle in the picture

Mathematics

1 answer:

Volgvan1 year ago

7 0

Answer:

2x^2-18

Step-by-step explanation:

2x to the power of 2 minus 18

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2 years ago

Find the missing length triangle <br> a=4,b=?,c=11

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2 years ago

Read 2 more answers

Josef's closet is 5 feet wide and 3 feet deep. What is the area of his closet floor?

choli [55]

Answer:

15f^2

Step-by-step explanation:

multiply lenghtxwidth

always make sure to square your answer when doing area

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2 years ago

Determine the angle at the centre of a circle with radius 12.0 cm for an arc length of of 21.0 cm.

nata0808 [166]

Answer:

$\theta=\dfrac{7}{4}\ \text{radian}$

Step-by-step explanation:

We have,

Radius of the circle is 12 cm

Arc length, l = 21 cm

It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

$l=r\times \theta$

$\theta$ is central angle

$\theta=\dfrac{l}{r}\\\\\theta=\dfrac{21}{12}\\\\\theta=\dfrac{7}{4}\ \text{radian}$

So, the angle at the centre of the circle is $\dfrac{7}{4}\ \text{radian}$ .

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2 years ago

Which of the following equations is true?

Korolek [52]

Answer:

Step-by-step explanation:

10×1=10

0+10=10

Hence they're equal

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2 years ago