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ioda
3 years ago
10

An Aztec Salad gets 28 of its Calories from protein. If this is 20% of the total number of

Mathematics
2 answers:
tresset_1 [31]3 years ago
6 0

Answer:

140 Calories

Step-by-step explanation:

NikAS [45]3 years ago
4 0

Answer:

140 calories

Step-by-step explanation:

total number of Calories of the salad =

100/20 × 28 = 5×28 = 140

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a student ran out of time on a multiple choice exam and randomly guess the answers for two problems each problem have four answe
katen-ka-za [31]

Answer:

The probability that he answered neither of the problems correctly ​is 0.0625.

Step-by-step explanation:

We are given that a student ran out of time on a multiple-choice exam and randomly guess the answers for two problems each problem have four answer choices ABCD and only one correct answer.

Let X = <u><em>Number of problems correctly ​answered by a student</em></u>.

The above situation can be represented through binomial distribution;

P(X=r)=\binom{n}{r}\times p^{r}\times (1-p)^{n-r};x=0,1,2,3,....    

where, n = number of trials (samples) taken = 2 problems

           r = number of success = neither of the problems are correct

           p = probability of success which in our question is probability that

                 a student answer correctly, i.e; p = \frac{1}{4} = 0.75.

So, X ~ Binom(n = 2, p = 0.75)

Now, the probability that he answered neither of the problems correctly ​is given by = P(X = 0)

             P(X = 0) = \binom{2}{0}\times 0.75^{0}\times (1-0.75)^{2-0}

                            = 1 \times 1\times 0.25^{2}

                            = <u>0.0625</u>

6 0
4 years ago
A survey of sports fans reveals that 49 say their favorite sport is football, 35 say their favorite sport is baseball, 11 say th
pogonyaev

Answer:

9.80

Step-by-step explanation:

Given that a survey of sports fan was conducted counting no of persons whose favourite was football, baseball, basketball and hockey.

Given that 49 like football, 35 baseball, 11 basket ball and 5 hockey

We have to find ratio of football fans to hockey fans.

We find that hockey fans are 5 and football fans are 49

Ratio of football fans to hockey fans =49/5

=9.80

The ratio means if 9.80 football favourite persons are there there would be only one person whose favourite is hockey.

6 0
3 years ago
What is pi (3.14159265) to the force of pi?
Gelneren [198K]

It is =3.14159265359 :)

8 0
3 years ago
A. Add the following integers.
larisa86 [58]

Answer:

11. 16

12. -19

13. -9

14. -5

15. -13

Step-by-step explanation:

7 0
3 years ago
Can someone help me simplify these expressions
Sunny_sXe [5.5K]

Step-by-step explanation:

4. Let's multiply the coefficients. 2 * 6 * (-5) = -60. As for the exponents, since they have the same base we'll just add the exponents giving us s^(2 + 1 + 4) = s^7 so the answer is -60s^7.

7. -2/3 * -1/2 * -4 = -4/3 and the exponent is b^(2 + 3 + 4) = b^9 so the answer is -4/3b^9

4 0
3 years ago
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