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Vika [28.1K]
2 years ago
12

A quick quiz consists of a multiple-choice question with 5 possible answers followed by a multiple-choice question with 5 possib

le answers. If both questions are answered with random guesses, find the probability that both responses are correct.
Mathematics
1 answer:
Julli [10]2 years ago
4 0

Answer:

1/25

Step-by-step explanation:

P of both answers are correct =

P first question is answered correct and P second question is answered correct

in probability,  and = multiplication

P first question is answered correct =1 correct answer/5 possible answers =1/5

P second question is answered correct = 1/5

P of both answers are correct = (1/5) · (1/5) = 1/25

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A student divided 10 meters of wire into 6 equal parts. Which type of number describes the length of each part?
Kobotan [32]

When 10 meters of something is divided into 6 equal parts,
then each part is (1,666 and 2/3) millimeters long.

A).  Whole number . . . No, that's not a whole number

B).  Interger . . . No, there's no such thing as an 'interger'.

C).  Rational number . . . Yes, its the ratio of  10,000 to  6 .

D).  Irrational number . . . No, it's not irrational.


8 0
3 years ago
Read 2 more answers
Quadrilateral TRPK ~ Quadrilateral EWMN Which statements are correct? Select all that apply. Question 8 options:
8090 [49]
For starters, we know that the angle measures have to be similar or the same, since similar shapes always contain the same angle measures. We can use the way that the letters of each shape line up to identify which angle correspond to each other. Angle R should be congruent to angle W, but angle P is not congruent to N, it would be congruent to M though. Now we get to the tricky part, figuring out line segment lengths. Again using the letters in each shape, we can see that TK and NM do not correspond to each other, and thus cannot be congruent or similar. But, with RP/WM, this is correctly lined up with each other. TR/EW, same with this one, and TK/EN is also the same. With this Info, we can figure out the dilation of the smaller shape, or just figure out if they are similar or not. (So pick B. And D.)
8 0
3 years ago
What values of x and y make BCD UST?
PolarNik [594]

Answer:

I do not know

Step-by-step explanation:

explain it more

4 0
2 years ago
Pierre uses 30 grams of chocolate to make
Travka [436]

Pierre can make 3 liters of chocolate sauce from 450 grams of chocolate.

Step-by-step explanation:

Given,

Chocolate used to make 200 ml of chocolate sauce = 30 grams

Ratio of chocolate to milliliters of chocolate sauce = 30:200

Let,

x be the milliliters of sauce made from 450 grams of chocolate

Ratio of chocolate to ml of sauce = x:450

Using proportion;

Ratio of chocolate to ml of sauce:: ratio of chocolate to ml of sauce

30:200::450:x

Product of extreme = Product of mean

30*x=200*450\\30x=90000

Dividing both sides by 30

\frac{30x}{30}=\frac{90000}{30}\\x=3000

450 grams of chocolate will make 3000 milliliters of chocolate sauce.

We will convert this in liters.

1 liter = 1000 ml

3000 ml = \frac{3000}{1000} = 3 liters

Pierre can make 3 liters of chocolate sauce from 450 grams of chocolate.

Keywords: ratio, proportion

Learn more about proportion at:

  • brainly.com/question/1414350
  • brainly.com/question/1418853

#LearnwithBrainly

3 0
3 years ago
Choose a reasonable estimate. The height of your kitchen table: 68 cm ? 68m
Mademuasel [1]

Answer:

68 cm, 68 m is too big.

Step-by-step explanation:

8 0
2 years ago
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