3 years ago

Are the points B, F, and W coplanar?

Mathematics

2 answers:

tankabanditka [31]3 years ago

5 0

Show the graph I can’t answer without the graph

Alla [95]3 years ago

4 0

Where’s the picture of the angle?

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What is the range of this data?<br> {3, 3, 0, 8, 7, 10, 2, 6, 12, 0}

sveticcg [70]

You need to subtract the largest number and the smallest, so it would be 12-0, getting an answer of 12.

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3 years ago

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Write an equation for the polynomial function that has 2 and -3 + 5i as zero

AysviL [449]

Answer:

$p(x) = {x}^{3} + 4{x}^{2} + 22x- 68$

Step-by-step explanation:

We want to write an equation for the polynomial function with roots;

$x = 2$

and

$x = - 3 + 5i$

Note that complex roots come in pairs and in conjugates.

Therefore

$x = - 3 - 5i$

is also a root.

By the factor theorem:

(x-2), (x+3+5i), and (x+3-5i) are factors of the polynomial.

Let p(x) be the polynomial, then in factored form.

$p(x) = (x - 2)(x + 3 + 5i)(x + 3 - 5i)$

We expand now to get:

$p(x) = (x - 2)( {x}^{2} + 3x - 5ix + 3x + 9 - 15i + 5ix + 15i + 25)$

Simplify now

$p(x) = (x - 2)( {x}^{2} + 6x +34)$

We expand further;

$p(x) = x( {x}^{2} + 6x + 34) - 2( {x}^{2} + 6x + 34)$

$p(x) = {x}^{3} + 6 {x}^{2} + 34x - 2 {x}^{2} - 12x - 68$

$p(x) = {x}^{3} + 4{x}^{2} + 22x- 68$

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3 years ago

Yolanda and yoko ran in a 100-yd dash. when yolanda crossed the finish line, yoko was 10 yd behind her. the girls then repeaed t

aksik [14]

Yolanda won, she won by 1 yard
I hope this helps.
YOU'RE WELCOME :D

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3 years ago

The length on a rectangular field is (4y + 3x) m an the width is (2y - x) m. Write an expression to show the perimeter of the re

photoshop1234 [79]

$P=2(4y+3x)m+2(2y-x)m\\
P=8my+6mx+4my-2mx\\
P=4mx+12my$

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3 years ago

If Beth has 5 books and Tom has 3 how many do they have in all?

aalyn [17]

Answer:

8 books

Step-by-step explanation:

5+3=8

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3 years ago

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