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vesna_86 [32]
3 years ago
9

Is 1/19 a rational number?

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0

Answer:

Yes.

Step-by-step explanation:

It is a fraction.

m_a_m_a [10]3 years ago
4 0
It is a rational number
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What is the factored form of the function f(x)=x^3+8x^2+5x−50?
Inga [223]

Answer:

the factors of  f(x)=x^3+8x^2+5x-50 are (x-2)(x+5)(x+5)

Step-by-step explanation:

We need to factorise the function f(x)=x^3+8x^2+5x-50

If a number is a factor of this function than it must be completely divisible by last co-efficient. Our last co-efficient is -50

Checking few numbers:

f(1)=(1)^{3}+8(1)^2+5(1)-50\\f(1)=1+8+5-50\\f(1)=-32\\Now \ putting \ x= 2 \\f(2)=(2)^{3}+8(2)^2+5(2)-50\\f(2)=8+8(4)+10-50\\f(2)=8+32+10-50\\f(2)=0

So, f(2)=0 which means x-2 is a factor of the given function. Now we will perform long division of x^3+8x^2+5x-50 by (x-2) to find other factors

The long division is shown in figure attached.

After long division we get: x^2+10x+25

The equation x^2+10x+25 can be further simplified as: (x+5)(x+5) or (x+5)^2

So, the factors of  f(x)=x^3+8x^2+5x-50 are (x-2)(x+5)(x+5)

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3 years ago
Determine the value for x in the given diagram when a||b.
Sladkaya [172]

Answer:

55°

Step-by-step explanation:

Since a||b

Then corresponding angles are equal

So 55 is correspondent to X

Therefore X=55°

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-2 1/8 divided by 1 1/4
attashe74 [19]

Answer:

-1\frac{7}{10}

Step-by-step explanation:

  1. Convert the mixed numbers into improper fractions: \frac{-17}{8} ÷ \frac{5}{4}
  2. Apply the fractions formula for division: \frac{-17*4}{8*5} = \frac{-68}{40}
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In a random survey of 3,455 adults in the U.S., 1,536 approve of the current economic policy. What percent of adults in the surv
ohaa [14]

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Amid record unemployment claims and the disruption of commercial activity caused by the novel coronavirus outbreak, the public’s assessments of the U.S. economy have deteriorated with extraordinary speed and severity. Just 23% of Americans now rate economic conditions in the country as excellent or good, down sharply from 57% at the start of the year.Step-by-step explanation:

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2 years ago
Each side of a square is increasing at a rate of 5 cm/s. At what rate (in cm2/s) is the area of the square increasing when the a
nikklg [1K]

Answer:

knkkl

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bjkjjjkhjhjhjkhjhj

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