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3 years ago

Please answer the question. Don't answer if you don't know.

Mathematics

2 answers:

Westkost [7]3 years ago

4 0

the correct answer would be 4 3/4

hope this helps!

lmk if you would like an explanation! :)

Sliva [168]3 years ago

4 0

Answer:

C. 4 1/4

Step-by-step explanation:

We can see that from 1/4 to 1/2 it increases by 1/4, and from 1/2 to 1 1/4 it increases by 3/4, then 5/4, so logically the next time you would add 7/4 resulting in 4 1/4

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The world record for the 100 m sprint is 9.77 seconds How long would it take to run 1 m at the speed

WITCHER [35]

Answer:

It would take 0.0977 seconds to go 1 meter at that speed

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3 years ago

f(x) = 4x^2+2x+6 What is the value of the discriminant of f? How many distinct real number zeros does f have?

Sauron [17]

Answer:

The value of Discriminant of the function is -92

It has ZERO distinct real number zeros.

Step-by-step explanation:

Given:

$f(x)=4x^{2} +2x+6$

Which is a Quadratic Equation in the general form of

$ax^{2}+bx+c=0$

where a,b and c are constants.So on comparing the given equation with general form we get,

$a=4\\b=2\\c=6$

Formula for discriminant we have

$Discriminant=b^{2}-4ac\\ =2^{2}-4(4)(6)\\ =4-96\\=-92$

now for zeros we have

$x=\frac{-b+\sqrt{b^{2-4ac} } }{2a} \\or\\x=\frac{-b-\sqrt{b^{2-4ac} } }{2a} \\$

on substituting these values we get

$x=\frac{-2+\sqrt{-92} }{8}$

$x=\frac{-2-\sqrt{-92} }{8}$

the term $\sqrt{-92}$ is imaginary

hence the zeros are not real number

3 0

3 years ago

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B. My brother grew 1 3/4 inches in 2 1/2 months. If he continues to grow at the same rate,

lyudmila [28]

Answer:

8.4 inches

Step-by-step explanation:

You divide 1 3/4 by 2 1/2 then multiply by 12

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3 years ago

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egoroff_w [7]

Answer: the number of Micheal Crichton novels that Riley have in his book collection is 12

Step-by-step explanation:

Riley has 40 novels so far in his book collection. 9/10 of these novels is fiction. It means that the number of fictional novels in his collection is

9/10 × 40 = 36

Of these fictional novels, 1/3 of them were written by Micheal Crichton. It means that the number of his fictional novels that was written by Micheal Crichton is

1/3 × 36 = 12

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3 years ago

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KATRIN_1 [288]

Answer:

A. 3/2

Step-by-step explanation:

When two exponents have the same base, you can cancel the bases and set the exponents equal to each other

3x-2=x+1

3x=x+3

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3 years ago

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