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Katyanochek1 [597]
3 years ago
14

3/4 of 84 contestants guessed incorrectly how many contestants guessed incorrectly

Mathematics
2 answers:
adelina 88 [10]3 years ago
8 0
First figure out how many people are 1/4 of 84 by dividing 84 by 4 =21. Then multiply 21 by 3 to figure out how many people are 3/4 of 84 =63. 63 people guessed incorrectly and 21 people guessed correctly:)
Lubov Fominskaja [6]3 years ago
6 0
The answer is....:
     63<span> contestants [guessed incorrectly]
</span>(3/4 = 75%; 75% of 84→84 • 0.75 = 63

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HELP!?! PLEASE!! Which pair of fractions shows 7/9 and 5/12 correctly converted with their least common denominator?
svlad2 [7]
Least\ common\ denominator:\\\\\frac{7}{9}\ \ \ \frac{5}{12}\ \ we\ need\ to\ find\ number\ which\ can\ be\ divided\ by\ 12\ and\ 9\\\\\frac{7\cdot4}{9\cdot4}\ \ \ \frac{5\cdot3}{12\cdot3}\\\\\frac{28}{36}\ \ \ \frac{15}{36}\\\\Answer\ A.
5 0
3 years ago
Read 2 more answers
Question number 3 pls
marissa [1.9K]
Factoring f(x) would give a factor (x-1-2i), so you can divide f(x) by this, leaving (x-3)(x+4)(x-1+2i), so the other roots are:

x=3
x=-4
x=1-2i

4 0
2 years ago
Guys plsss i need help. It needs work too
Ghella [55]

Answer:

f(x+h)=x^2+2xh+h^2+2x+2h

Option D is correct option.

Step-by-step explanation:

We are given: f(x)=x^2+2x

We need to find f(x+h)

For finding f(x+h) we need to replace x by x+h

f(x+h)=(x+h)^2+2(x+h)\\We \ know \ (a+b)^2=a^2+2ab+b^2\\f(x+h)=x^2+2xh+h^2+2x+2h

Finding f(x+h) we get:

f(x+h)=x^2+2xh+h^2+2x+2h

Option D is correct option.

8 0
3 years ago
R(x)=200 x -x squared; C(x) = 40x+5775; 0 less than or equal to x less than or equal to 100
AlexFokin [52]

Answer:

ty8n uhghyvu9

Step-by-step explanation:

9bvyjjjjjhubu9gv

7 0
3 years ago
Mark as brainliest<br><br> answer correctly and explain not dumb not long
nekit [7.7K]

Answer:

○ I, II, and III

Step-by-step explanation:

Long explanation short, dividing an expression by 2 is the exact same as multiplying an expression by ½. That is to say, dividing a term is the exact same as multiplying by its multiplicative inverse, so all three of these would qualify.

I am joyous to assist you anytime.

6 0
2 years ago
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