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Feliz [49]
3 years ago
6

How do I use 3 7 12 2= 51

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
I get you can try adding them
You might be interested in
Please answer this fast in two minutes now
Anuta_ua [19.1K]

Answer:

<h2>             18.3</h2>

Step-by-step explanation:

from cosines theorem:

t² = 11² + 14² - 2•11•14•cos87°

t² = 121 + 196 + 308•0.05236

t² = 333.12688

t = √333.12688

t = 18.2517... ≈ 18.3

7 0
3 years ago
A post it note has an area of A square inches. The width of the post it note is 4 inches.which equation represents X the length
SVEN [57.7K]

Answer:

Option C. X=A/4

Step-by-step explanation:

we know that

The area of the rectangular post it note is equal to

A=LW

where

L is the length

W is the width

In this problem we have

W=4\ in

L=X\ in

substitute

A=4X

solve for x

That means ----> isolate the variable x

Divide by 4 both sides

X=\frac{A}{4}

6 0
3 years ago
Which of the following ordered pairs
Tomtit [17]

Answer:

D. (0, 3)

Step-by-step explanation:

7 0
3 years ago
Steven has a rectangular rug with a perimater of 16 feet the width of the rug is 5 feet what is the lenght if the rug
ziro4ka [17]
If the width is 5 feet you have to do 16 - 5 which equals 11 meaning 11 is your answer (the Length)

hope this helps
:)

5 0
3 years ago
Degree 3 polynomial with zeros -7, 3i, and -3i
d1i1m1o1n [39]

A polynomial having degree 3 with zeros -7, 3i, and -3i is:
x³+ 7x² - 9x - 63

The correct answer is an option (A)

In this question, we need to find the polynomial whose degree is 3 polynomial and zeros are -7, 3i, and -3i

The zeros of the required polynomial = -7, 3i, and -3i

This means, the roots of the polynomial = (x + 7), (x - 3i) and (x + 3i)

We know that in complex numbers, i = √-1

So, 3i = 3√-1

          = √-9

i.e., the roots of the polynomial are (x + 7), (x - √-9) and (x + √-9)

And the polynomial would be,

(x + 7)(x - √-9)(x + √-9)

= (x + 7)(x² - (√-9)²)

= (x + 7)(x² - (-9))

= (x + 7)(x² + 9)

=  x³+ 7x² - 9x - 63

Therefore, a polynomial having degree 3 with zeros -7, 3i, and -3i is:
x³+ 7x² - 9x - 63

The correct answer is an option (A)

Learn more about the polynomial here:

brainly.com/question/14344049

#SPJ1

4 0
1 year ago
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