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3 years ago

What is the area of the rectangle above?

Mathematics

2 answers:

Crank3 years ago

7 0

Answer:

A = 33 units^2

Step-by-step explanation:

The area of a rectangle is given by

A = l*w where l is the length and w is the width

A = 11 * 3

A = 33 units^2

Keith_Richards [23]3 years ago

6 0

Answer:

D. 33 square units

Step-by-step explanation:

A=wl=3x11=33

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A scuba diver starts 8 feet below sea level. She then dives down another 13 feet. Which expression gives her total number of fee

scoray [572]

I see this as a basic equation.

If she starts at point x, 8 feet, then goes down another 13, she is adding to the number of feet she traveled down.

So your answer would be 8+13=21

If this isn't what you needed, because I am not sure what math you are taking, let me know if I can help you more!

3 0

3 years ago

Read 2 more answers

Find the perimeter of the figure to the nearest hundredth. Ps: it is not 30

frutty [35]

Answer:

Perimeter = 36.8 ft

Step-by-step explanation:

Step 1: Add the straight sides together

3+3+3+3+3+3 = 18 ft

Step 2: Find the perimeter of the semi-circles

The formula for the perimeter of semi-circle: 1/2 π × d

Diameter = 12 - 3 - 3 = 6, because the whole length is 12 minus the 6 ft of other stuff.

Now, 1/2π * 6 = 9.4 ft

But, there are two semi-circles so it will be 9.4 + 9.4 = 18.8 ft

Step 3: Add all of them

18 + 18.8 = 36.8 ft

8 0

3 years ago

The cost to repair Linda's car is $500, including parts and labor. The cost of parts is $140. If the cost of labor is $40 per ho

Yakvenalex [24]

It took 9 hours of labor. 500 - 140 = 360...... 360 / 40 = 9.
Answer: 9.

3 0

3 years ago

Raj’s bathtub is clogged and is draining at a rate of 1. 5 gallons of water per minute. The table shows that the amount of water

Morgarella [4.7K]

Answer:

Draining rate is at 1.5 gallons per minute

That would be y = 1.5g / x.

From the function or the equation, here is the answer.

The range would be all real numbers such that 0 ≤ y ≤ 40.

Step-by-step explanation:

7 0

2 years ago

Select all the correct answers.

Vlad1618 [11]

Answer:

The measure of reference angle is $30^{\circ}$ .
$\cos \theta=\frac{\sqrt{3}}{2}$

Step-by-step explanation:

Converting $\theta$ to degrees,

$\theta=\left(\frac{11\pi}{6} \right) \left(\frac{180}{\pi} \right)=330^{\circ}$

This means $\theta$ lies in Quadrant 4, and thus its reference angle is $360^{\circ}-330^{\circ}=\boxed{30^{\circ}}$

Since $\theta$ lies in the fourth quadrant, $\sin \theta$ and $\tan \theta$ are negative.

Since $\theta$ lies in the fourth quadrant, $\cos \theta$ is positive, and is equal to $\cos (30^{\circ})=\boxed{\frac{\sqrt{3}}{2}}$

3 0

1 year ago