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3 years ago

The length of a rectangle is 5 times it’s width the perimeter is 84 feet. What is your the area

Mathematics

1 answer:

Dominik [7]3 years ago

8 0

Answer:

980 feet

Step-by-step explanation:

Because the length is 5 times the width, you can write it as 5x with x as the width. Then you can set it up as 5x + x = 84 for l + w = p, and solve for x. You'll find that x is 14, and 14 times 5 is 70, so you would multiply 70 by 14 to get 980.

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Add the two complex numbers 6 + 7i and 10 + 2i. Write your answer as a complex number in standard form, a + bi.

lina2011 [118]

1. The complex number 6 + 7i has

real part 6;
imaginary part 7.

2. The complex number 10 + 2i has

real part 10;
imaginary part 2.

3. When we add two complex numbers, we add real parts and imaginary parts separately:

(6+7i)+(10+2i)=(6+10)+(7+2)i=16+9i.

Answer: 16+9i

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3 years ago

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-1/3 + 7/4. in simplest form plzz

Goryan [66]

Greatest Common Factor: 12-1/3 = -4/12, 7/4 = 21/12-4/12 + 21/12 = 17/12
Answer in simplest form: 17/12

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2 years ago

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Which of the following best describes the graph of the polynomial function

eduard

Answer:

B. The graph has no zeros.

Step-by-step explanation:

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2 years ago

A manufacturer earns Rs4500 in the first month and Rs 6000 in second month. On plotting these points a manufacturer observes a l

UkoKoshka [18]

Answer:

$f(x) = 1500x +3000$

Step-by-step explanation:

Given

Represent the months with x and the earnings with y.

So:

$(x_1,y_1) = (1,4500)$

$(x_2,y_2) = (2,6000)$

Required

Determine the linear function

First, calculate slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{6000 - 4500}{2 - 1}$

$m = \frac{1500}{1}$

$m = 1500$

The equation is then calculated using:

$y = m(x - x_1) + y_1$

$y = 1500(x - 1) + 4500$

$y = 1500x - 1500 + 4500$

$y = 1500x +3000$

As a function, we have:

$f(x) = 1500x +3000$

7 0

2 years ago

PLEASE HELP ME!! I WILL MARK THE FIRST CORRECT ANSWER BEAINLIEST!!))

sergey [27]

Answer:

7598.80

Step-by-step explanation:

V=πr^2h

= 3.14 * 11^2 * 20

= 2420π or 7598.80

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1 year ago

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