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lbvjy [14]
1 year ago
13

NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. There are 21 mathem

atics majors and 325 computer science majors in a college. In how many ways can two representatives be picked so that one is a mathematics major and the other is a computer science major
Mathematics
1 answer:
saveliy_v [14]1 year ago
4 0

Mathematics majors $=21$

Computer science majors $=325$

We need to use product rule because the first event is picking the mathematics major and second event is picking the computer science major

$$21\times325=6825$$

We need to use sum rule because the first event is picking OR mathematics major and second event is picking the computer science major

$$21+325=346$$

What is mathematics ?

  • One of the most essential disciplines is mathematics.
  • Math is a topic that involves numbers, forms, facts, measurements, and logical processes.
  • Every aspect of our lives, including medical, engineering, finance, the natural sciences, economics, etc., are greatly affected by it.
  • The universe of mathematics is all around us.
  • Mathematical ideas, theories, and formulae have a wide range of practical applications.
  • We must master the formulae and principles in order to solve diverse difficulties. To comprehend its many uses and relevance, it is crucial to grasp this subject.

So the more about mathematics visit.

brainly.com/question/24204166

#SPJ4

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aleksklad [387]

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3 years ago
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Inessa05 [86]

Answer:

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Step-by-step explanation:

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3 years ago
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mote1985 [20]

Answer:

c. f(x)=x(x+2)(x-1)(x-4)

Step-by-step explanation:

Where it says "as x goes to negative infinity" then "y goes to infinity" (that's the part with the infinity symbols) that means the graph is going up at it's left end. This curve is a quartic (4th degree) which means its left and right ends are kind of parabola-ish, but the middle is not the neat u-ish, v-ish shape of a parabola; it's more like a wonky, noodle-ish wavy affair. Anyway, LIKE a parabola when the beginning of the equation is positive, the two ends point up. That's what's happening here and so we can eliminate b. and d. as potential answers.

Since -2, 0, 1, 4 are zeros (which are solutions...and also x-intercepts) we can find the factors of the function.

If x = -2

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x + 2 = 0

This means (x+2) is a factor.

This is enough info to select answer c. but let's verify the other factors.

If x = 1

SUBTRACT 1 from both sides.

x - 1 = 0

Thus means (x - 1) is a factor.

If x = 4

SUBTRACT 4 from both sides.

x - 4 = 0

(x - 4) is a factor.

You can see c. has all these factors as well as x, because x=0 already, so x is a factor too.

I think of this as a working backwards problem, bc usually you have to factor and solve. This one, you have solutions (which are zeros and x-intercepts) and work backwards to find factors and multiply them together to find the function.

5 0
2 years ago
What is the range of f(x) = |-x|? y ≤ 0 y ≥ 0 y = 0 all reals
Molodets [167]

Answer:

y≥0

Step-by-step explanation:

no matter what is written inside it,

|x|≥0

so here

f(x)≥|-x|

so

f(x)≥0

then

y≥0

8 0
3 years ago
Plz help 7th grade math ASAP
Nikolay [14]

Answer:

6

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Read 2 more answers
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