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Aloiza [94]
3 years ago
14

You are taking a multiple choice quiz that consists of five questions. Each question has four possible answers, only onw of whic

h is correct. To complete this quiz, you randomly guess the answer to each question. Find the probability of guessing exactly 3 answers correctly.
Mathematics
2 answers:
Dahasolnce [82]3 years ago
6 0

Answer:

60% is the answer. Not pretty sure

Eduardwww [97]3 years ago
4 0

Answer:

3/20

Step-by-step explanation:

You're taking a 5 question quiz w/ 4 options but 1 correct answer. then guessing 3 correctly would be  3 out of 20.

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Please help!!!!!<br> Please
Dimas [21]
So you just multiply 48 by 2 then by 3 and then by 4 resulting to a=96, b=144, c=192
7 0
3 years ago
Read 2 more answers
A quadratic function is given.
kow [346]

Answer:

2x² + 4x + 3 = 0

Step-by-step explanation:

The function is said to be quadratic if it has highest degree = 2.

Further, The standard form of Quadratic Equation is:

ax² + bx + c = 0

where, a ≠ 0

a, b and c are constants

and x is unknown variable.

Thus, The Standard form of given Quadratic Equation is 2x² + 4x + 3 = 0

4 0
3 years ago
If 4/3x - 1/2 = 0 then x=
butalik [34]
4/3x - 1/2 = 0   Given
4/3x = 1/2   Add 1/2 to both sides
x = 3/8   Multiply each side by 3/4

It is important when doing equations like these to remember that you need to multiply by the reciprocal of the fraction, not divide by it. For example, if another you have 1/2x = 1, you need to multiply by 2/1 or 2, not divide by 1/2.
5 0
3 years ago
Find the area
Kitty [74]

Answer: 54 cm^2

Step-by-step explanation:

The area of a triangle is base*height/2.

To find the missing side of this triangle we can use pythagorean theroem. Let the unknown side = x

15^2 = 12^2+x^2

225 = 144+x^2

x^2 = 81

x = 9

Area = BH/2

Area = 9*12/2

Area = 54 cm^2

7 0
2 years ago
Read 2 more answers
sharon is building a rectangular patio the patio will be 18 bricks wide and 29 bricks long.she has 500 bricks. does she have eno
Goryan [66]
Since this is area you'll simply just do 18 x 29 which equals 522 and compare it to the amount of bricks she currently has. In this case, no, Sharon does not have enough bricks as she is 22 bricks short.
7 0
3 years ago
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