3 years ago

If the answer is correct ill make give you brainliest answer!

Mathematics

1 answer:

liberstina [14]3 years ago

6 0

Answer:

Step-by-step explanation:

Not sure if it was the question they asked buttt....

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Solve the equation<br> 2x-4=20

Marianna [84]

Answer:

x=12

Step-by-step explanation:

2x-4=20

+4 +4

2x+24

2x ÷2

24÷2=12

Therefore, x=12

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4 years ago

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dlinn [17]

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Step-by-step explanation:

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A diagonal of a parallelogram forms 25° and 35° angles with sides of parallelogram. Find the angles of the parallelogram.

sergiy2304 [10]

so,

angle DAB = 25° + 35°

= 60°

now,

angle DAB + angle ADC. = 180°

or, 60° + ADC = 180°

or, ADC = 180° - 60°

Therefore, ADC = 120°

therefore, the angles of the PARALLELOGRAM are 60° and 120°.

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3 years ago

What are the real zeros of f(x) = x3 – 3x2 – 4x? A. 0, 1, 4 B. 1, -1, 4 C. -1, 0, 4 D. 1, 0, -4

Natalka [10]

Step-by-step explanation:

$f(x) = x^3 - 3x^2 - 4x$

factor it: (start by factoring out the x that is common to all 3 )

$= x\left(x^2-3x-4\right)$

next keep factoring the inside...

$= x\left(x^2+x-4x-4\right)\\=x \left[x\left(x+1\right)-4\left(x+1\right)\right]\\=\bold{x\left(x+1\right)\left(x-4\right)}$

So, the only way the function $f(x)$ can be $0$ is if:

either $x=0$ , or
$\left(x+1\right)=0$ , or

$\left(x-4\right)=0$

<h3>Answer:</h3>

<em>C.</em> $\{-1,0,4\}$

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3 years ago

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Nutka1998 [239]

Answer:

Downwards

Step-by-step explanation:

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2 years ago