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3 years ago

The length of a rectangular courtyard can be represented by (4x +3) and the width by (3x– 7). What is

Mathematics

1 answer:

love history [14]3 years ago

4 0

The area is 12x^2-19x-21

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Consider the following function,

Dmitriy789 [7]

Answer:

Step-by-step explanation:

6 0

2 years ago

A cone and a cylinder have the same height and their bases are congruent circles

Anettt [7]

Answer:

$30cm^3$

Step-by-step explanation:

the volume of a cylinder is given by:

$v_{cylinder}=\pi r^2 h$

and the volume of a cone is given by:

$v_{cone}=\frac{\pi r^2 h}{3}$

since both have the same height and radius, we can solve each equation for $r^2h$ (because this quantity is the same in both figures) and then match the expressions we find:

from the cylinder's volume formula:

$r^2h=\frac{v_{cylinder}}{\pi}$

and from the cone's volume formula:

$r^2h=\frac{3 v_{cone}}{\pi}$

matching the two previous expressions:

$\frac{v_{cylinder}}{\pi} =\frac{3v_{cone}}{\pi}$

we solve for the volume of a cone $v_{cone}$ :

$v_{cone}=\frac{\pi v_{cylinder}}{3\pi} \\\\v_{cone}=\frac{v_{cylinder}}{3}$

substituting the value of the cylinder's volume $v_{cylinder}=90cm^3$

$v_{cone}=\frac{90cm^3}{3} \\\\v_{cone}=30cm^3$

5 0

3 years ago

Read 2 more answers

Reggie cuts 2 feet from a 9-foot length of rope. Then he cuts 14 inches from the rope. How many inches of rope are left?

babunello [35]

Answer:

He is left with 5 feet and 10 inches.

4 0

2 years ago

22/11,594 I need a step by step answer

Yuliya22 [10]

Answer:

1.89753

Step-by-step explanation:

22/11,594

Multiply the numerator and denominator by 1000 to remove decimal

$\frac{22}{11.594} * 1000 = \frac{22000}{11594}$

Using long division

Learn more about Long Division here: brainly.com/question/12085148

6 0

2 years ago

Please help me I promise to mark briainlest!!!!!!

Doss [256]

Answer:

2.C

3.B

4.B

5.D

Step-by-step explanation:

2. the y intercept in this equation is the c value, which is 1 so the answer is c

3. The vertex of this function would be (9, -5) and the axis of symmetry is the first value so its 9, B

4. Not that hard, tip is to just distribute in all the answers and see which one gives you the original equation, it is B

5. You solve the original equation by completing the square, if you don't know how to do that look it up. Answer is D

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2 years ago