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3 years ago

11

Which Biconditional is not a good definition

1 answer:

vlabodo [156]3 years ago

5 0

<em>Hi There!!</em>

<em>I think your answer is </em><em>B. An angle is obtuse if and only if it measures is greater than zero...</em>

<em>Hope This Helps!!</em>

<em> </em> $Brazts$ <em />

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Find the value of c so that the polynomial p(x) is divisible by (x-3). p(x) =-x^3+cx^2-4x+3. c=?

Vilka [71]

Answer:

$\boxed{\textsf {The value of c is $\sf \dfrac{-14}{3}$. }}$

Step-by-step explanation:

A polynomial is given to us . We need to find the value of c so that it is divisible by (x-3 ) .The given polynomial to us is ,

$\sf \implies p(x)=- x^3+cx^2-4x+3$

And the factor is ,

$\sf \implies g(x) = x + 3$

Now , according to factor theorem , p(x) will be divisible by g(x) if p(-3) = 0

$\sf \implies p(x)= - x^3+cx^2-4x+3 \\\\\implies\sf p(-3) = 0 \\\\\sf\implies -(-3)^3+c(-3)^2-4(-3)+3 = 0 \\\\\sf\implies 27 + 9c +12+3=0 \\\\\sf\implies 9c +42=0 \\\\\sf\implies 9c = (-42) \\\\\sf\implies c = \dfrac{-42}{9}\\\\\sf\implies \boxed{\pink{\sf c = \dfrac{-14}{3}}}$

<h3><u>Hence </u><u>the </u><u>value </u><u>of </u><u>c </u><u>is </u><u>(</u><u>-</u><u>1</u><u>4</u><u>)</u><u>/</u><u>3</u><u> </u><u>.</u></h3>

4 0

3 years ago

A pair of jeans cost $32 last year this year they cost $38 what was the percent increase? PLEASE ANSWER NEED HELP!

garik1379 [7]

Answer:

18.75%

Step-by-step explanation:

percent increase = $\frac{increase}{original cost}$ × 100%

Increase in cost = $38 - $32 = $6

percent increase = $\frac{6}{32}$ × 100% = $\frac{6(100)}{32}$ = 18.75%

5 0

3 years ago

What is -5/8 / 9/10 ?<br><br> A. -25/36<br><br> B. -9/16<br><br> C. -45/80<br><br> D. -1/36

Ivenika [448]

Hi there, -5*10/9*8=-50/72, -50/72 simplified is -25/36. Therefore, the answer is A. -25/36

4 0

3 years ago

Estimate the equation 12+ 19.61

Mandarinka [93]

<em>QUESTION:</em>

<em>QUESTION:estimate the equation 12+19.61.</em>

<em>QUESTION:estimate the equation 12+19.61.Answer:</em>

<em>QUESTION:estimate the equation 12+19.61.Answer:12+19.61 =31.61.</em>

4 0

3 years ago

Read 2 more answers

What is 5 devided by 1/8th

RSB [31]

The answer would be 40

5 divided by 1/8

5/1 divided by 1/8
5/1 divided by 8/1
then you would multiply
5 times 8
=40/1 or 40

7 0

3 years ago

Read 2 more answers