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zloy xaker [14]
3 years ago
6

Alice tossed a coin 100 times. In this experiment she recorded 53 heads and 47 tails. She

Mathematics
1 answer:
8_murik_8 [283]3 years ago
7 0

Answer:

D. Alice used empirical probability, Mark used theoretical probability.

Step-by-step explanation:

Alice used empirical probability because she actually flipped the coin 100 times but Mark assumed the coin was fair and didn't actually test it, using theoretical probability.

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The sum of three consecutive numbers is 276. What is the smallest of these intengers?
shtirl [24]

Answer:

91

Step-by-step explanation:

Let x be the smallest one:

● x is the first number

● x+1 is the second number

● x+2 is the third number

The sum of these numbers is 276

● x+(x+1)+(x+2) =276

● x+x+1+x+2 = 276

● 3x + 3 = 276

Substract 3 from both sides:

● 3x+3-3 = 276-3

● 3x = 273

Divide both sides by 3

● (3x)/3 = 273/3

● x = 91

So the smallest one is 91

5 0
3 years ago
PLEASE HELP AHHH I-. I need help lol
Pie

Answer:

264

Step-by-step explanation:

do 20 mulitplyed by 30 then subtracted it by 336

4 0
3 years ago
Read 2 more answers
Exit
AfilCa [17]

Answer:

The answer would be D. 5

Step-by-step explanation:

4 0
2 years ago
The graph of f(x)=4x^3-13x+9x+2 is shown below. How many roots of f(x) are rational numbers? Quick Please!!!!
mestny [16]

Answer:

All three are rational numbers.

Step-by-step explanation:

I used Desmos (a graphing calculator online) and the roots were all able to be written with fractions.

6 0
2 years ago
Use the remainder theorem to divide 5x^2+9x-2 by x+3. What is the remainder
marishachu [46]

Answer:

16

Step-by-step explanation:

Given

f(x)=5x^2+9x-2

Remainder theorem states that when f(x) is divided by x-a then the remainder can be calculated by calculating f(a).

Now Using the remainder theorem to divide 5x^2+9x-2 by x+3 to find the remainder:

f(x)=5x^2+9x-2

f(-3) = 5(-3)^2 +9(-3) -2

       =5(9) - 27 -2

       = 45-29

        = 16 !

7 0
3 years ago
Read 2 more answers
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