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3 years ago

Nnnkkkkktttttttttttttttttttttttttttttttttt

Mathematics

2 answers:

Bogdan [553]3 years ago

6 0

Answer:

What?????/

Step-by-step explanation:

solong [7]3 years ago

4 0

Answer:

jdjfbdhdjdjdmdjdnddjdjnddn

Step-by-step explanation:

nfjdjdjdjdjdmdjdndjdjdndnd

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Solve 2 a 2 − 5 a − 25 = 0 by factoring. Enter your answers below a = or a =

kaheart [24]

Answer:

a=5, a=-2.5

Step-by-step explanation:

Given:

$2 a^2 - 5 a - 25 = 0$

Solution:

$a_{1,\:2}=\frac{-\left(-5\right)\pm \sqrt{\left(-5\right)^2-4\cdot \:2\left(-25\right)}}{2\cdot \:2}$

$a_{1,\:2}=\frac{-\left(-5\right)\pm \:15}{2\cdot \:2}$

$a_1=\frac{-\left(-5\right)+15}{2\cdot \:2},\:a_2=\frac{-\left(-5\right)-15}{2\cdot \:2}$

$a=5,\:a=-2.5$

~Lenvy~

4 0

2 years ago

Integral of sin^4 (6x) dx

DENIUS [597]

Hello,

$\boxed{sin^4\ x= \frac{3}{8}- \frac{cos\ 2x}{2}+\frac{sin\ 4x}{8} }\\

Let's assume t=6x \ dt=6\ dx\\

 \int\limits {sin^4\ 6x} \, dx = \frac{1}{6} *\int\limits {sin^4\ t} \, dt \\

= \dfrac{1}{6} *( \frac{3t}{8} - \frac{sin\ 2t}{4} +\frac{sin\ 4t}{32})+C\\

= \dfrac{3x}{8} - \frac{sin\ 12x}{24} +\frac{sin\ 24x}{192} +C
$

7 0

3 years ago

Read 2 more answers

Liz types 180 words in three minutes. At that rate how many minutes does it take her to type 1260 words

mash [69]

Answer:

21 minutes

Step-by-step explanation:

you first have to find how many words she writes in one minute. you do this by dividing 180/3=60. after that divide 1260 by 60 = 21 minutes.

4 0

3 years ago

Every rhombus is a square? true it false.

murzikaleks [220]

Answer:

false

Step-by-step explanation:

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3 years ago

Consider the equation

ale4655 [162]

Answer:

slope of line parallel to given line=slope of given line

=9/2

slope of line perpendicular to given line=‐1/slope of given line

= -2/9

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3 years ago