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2 years ago

Which is the x-intercept for 4x-2y = 16? A) (4, 0) B (0, 4) C (0, 8) D (-8, 0)

Mathematics

2 answers:

Ilia_Sergeevich [38]2 years ago

7 0

Answer:

(4,0)

Step-by-step explanation:

-2y= -4x + 16

y = 2x - 8

Plug 0 in for y

0 = 2x - 8

2x = 8

x = 4

galben [10]2 years ago

4 0

Answer:

Just plug in each point for the x and y and find which point is valid

Step-by-step explanation:

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22 points !!! multiply. express your answer as a fraction simplest form. 8.33 x 144

dem82 [27]

Answer:

99 24/25

Step-by-step explanation:

8.33*√144=

8.33*12=99 24/25 or 100 with 8.33 bar

8 0

3 years ago

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HELP ME I DON'T UNDERSTAND IT :(

a_sh-v [17]

Answer:

Step-by-step explanation:

A is (-8,8) so you would divide each 8 by 4 because 8 divided by 1/4 so you will have (-2,2)

B is (-8,4) so divide the by 1/4 which would be (-2,1)

C is (4,-4) so divide that and and you get (1,-1)

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3 years ago

My bed is 3 inches by 2and 2/3 inches by 1/3<br> inch. What is the volume of my bed?

ki77a [65]

Step-by-step explanation:

$volume \: of \: bed \\ \\ = 3 \times 2 \frac{2}{3} \times \frac{1}{3} \\ \\ = 3 \times \frac{8}{3} \times \frac{1}{3} \\ \\ = \frac{8}{3} \\ \\ = 2 \frac{2}{3} \: {inch}^{3}$

7 0

3 years ago

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The polynomial of degree 5, P ( x ) has leading coefficient a=1, has roots of multiplicity 2 at x = 3 and x = 0 , and a root of

ser-zykov [4K]

Answer:

$p_{5} (t) = x^{5} - 5\cdot x^{4} + 3\cdot x^{3} +9\cdot x^{2}$ , for $r_{1} = 0$

Step-by-step explanation:

The general form of quintic-order polynomial is:

$p_{5}(t) = a\cdot x^{5} + b\cdot x^{4} + c\cdot x^{3} + d\cdot x^{2} + e \cdot x + f$

According to the statement of the problem, the polynomial has the following roots:

$p_{5} (t) = (x - r_{1})\cdot (x-3)^{2}\cdot x^{2} \cdot (x+1)$

Then, some algebraic handling is done to expand the polynomial:

$p_{5} (t) = (x - r_{1}) \cdot (x^{3}-6\cdot x^{2}+9\cdot x) \cdot (x+1)\\p_{5} (t) = (x - r_{1}) \cdot (x^{4}-5\cdot x^{3} + 3 \cdot x^{2} + 9 \cdot x)$

$p_{5} (t) = x^{5} - (5+r_{1})\cdot x^{4} + (3 + 5\cdot r_{1})\cdot x^{3} +(9-3\cdot r_{1})\cdot x^{2} - 9 \cdot r_{1}\cdot x$

If $r_{1} = 0$ , then:

$p_{5} (t) = x^{5} - 5\cdot x^{4} + 3\cdot x^{3} +9\cdot x^{2}$

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3 years ago

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sammy [17]

Answer:

Step-by-step explanation:

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