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3 years ago

Simplify the expression 3x(4x^4 - 5x)

Mathematics

1 answer:

Soloha48 [4]3 years ago

7 0

3x (4x^4-5x)
add all of the numbers with a x to get
12x^4
and 12x^4=
20736x

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In the right triangle shown, A= 30° and AB = 8.

zloy xaker [14]

Answer:

$BC=4\ units$

Step-by-step explanation:

The picture of the question in the attached figure

we know that

$sin(30^o)=\frac{BC}{AB}$ ----> by SOH (opposite side divided by the hypotenuse)

we have

$AB=8\ units\\\\sin(30^o)=\frac{1}{2}$

solve for BC

$BC=sin(30^o)(AB)$

substitute the values

$BC=(\frac{1}{2})(8)$

$BC=4\ units$

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2 years ago

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emmasim [6.3K]

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3 years ago

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2 years ago

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OLga [1]

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2 years ago

What is the reciprocal of 3 1/5

Talja [164]

Answer:

5/16

Step-by-step explanation:

We need to change the mixed number to an improper fraction to find the reciprocal

3 1/5 = (5*3+1)/5 = 16/5

The reciprocal of 16/5 is found by flipping the fraction

5/16

4 0

2 years ago

Read 2 more answers