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3 years ago

Smsjwjwjdjsnejdususjsskneneje

Mathematics

1 answer:

Rasek [7]3 years ago

6 0

Hellooo!smsmsmsmsmmss

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I need help with two algebra problems please!

postnew [5]

Fisrst one is just add the functions

(f+g)(x)=f(x)+g(x)=
8x^2+16x+6+x^3-3x^2-9=
(f+g)(x)=x^3+5x^2+16x-3

multiply
ok

f(x)g(x)=(x^3-4x+2)(x^2+2)
just multiply and expand yourself because I don't have my graphing calculator with me right now

8 0

3 years ago

Which equation could be solved using this application of the quadratic formula? A. -2x2 â’ 8 = 10x â’ 3 B. 3x2 â’ 8x â’ 10 = 4 C

hodyreva [135]

The given question can be solve using quadratic formula.

The correct option is (c) $3x^2 +8x -10=-8$ .

Given:

The given equation is,

$x=\dfrac{-8\pm\sqrt{8^2-4(3)(-1)}} {2(3)}$ ---------------------------(1)

Write the general quadratic equation.

$ax^2 + bx +c=0$

Write the quadratic formula.

$x =\dfrac {-b \pm \sqrt{(b^2 - 4ac)} } {2a}$ ------------------------------- (2)

Compare equation (1) and (2).

$a=3\\b=8\\c=-2$

Substitute the value of $a$ , $b$ and $c$ in general quadratic.

$3x^2 +8x -2=0$

Subtract $8$ from each side of above equation.

$3x^2 +8x -2 -8=0-8\\3x^2 +8x -10=-8$

Thus, the correct option is (c) $3x^2 +8x -10=-8$ .

Learn more about quadratic equation here:

brainly.com/question/17177510

6 0

2 years ago

Ross found 5 ladybugs each is 0.8 centimeter long If he lays the ladybugs in a row what is the total length in milimeters

Serga [27]

Legnth total=number of ladybugs times legnth per ladybug

5 times 0.8=4centimeters

1 centimeter=10 milimeters
4 centimeters times 10=40 milimeters

40 milimeters

8 0

4 years ago

Read 2 more answers

How to be always imposter every game in Among Us

Eduardwww [97]

Answer:

not me :)

Step-by-step explanation:

because I didnt play among us yet !

6 0

3 years ago

Read 2 more answers