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nata0808 [166]
3 years ago
5

Find the unknown. 53 = (6 × 8) +

Mathematics
2 answers:
svlad2 [7]3 years ago
6 0

Answer:

unknown = 5

Step-by-step explanation:

53 = (6x8)+?

53 = 48 + ?

subtract 48 from both sides to get ? alone

? = 5

aleksklad [387]3 years ago
5 0

Answer:

5

Step-by-step explanation:

48 + 5 =53

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A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents
kicyunya [14]

Answer:

                          Hamburger       Chicken

Adults                    65                        60         125

children                 55                        20          75

                             120                        80         200

a)What is the probability that a randomly selected individual is an adult?

Total no. of adults = 125

Total no. of people  200

The probability that a randomly selected individual is an adult = \frac{125}{200}=0.625

b) What is the probability that a randomly selected individual is a child and prefers chicken?

No. of child prefers chicken = 20

The probability that a randomly selected individual is a child and prefers chicken= \frac{20}{200}=0.1

c)Given the person is a child, what is the probability that this child prefers a hamburger?

No. of children prefer hamburger = 55

No. of child = 75

The probability that this child prefers a hamburger= \frac{35}{75}=0.46

d) Assume we know that a person has ordered chicken, what is the probability that this individual is an adult?

No. of adults prefer chicken = 60

No. of total people like chicken = 80

A person has ordered chicken, the probability that this individual is an adult= \frac{60}{80}=0.75

3 0
2 years ago
Complete each ordered pair so that it is a solution of the given linear equation. x - 3y=4;(.-3), (-11, ) The first ordered pair
AURORKA [14]

Answer:

Step-by-step explanation:

x - 3y = 4

x - 3(-3) = 4

x + 9 = 4

x = -5

(-5, -3)

-11 - 3y = 4

    - 3y = 15

        y = -5

(-11, -5)

I don't see how (0, -3) could be a solution to the equation.

3 0
2 years ago
Your friend has a collection of CDs. 2/3 of the CDs have booklets, 1/2 of the CDs are singles, and one for our singles with book
rodikova [14]
The CD has 8 friend in blankets or both
8 0
3 years ago
The figures are similar. Give the ratio of the perimeters and the ratio of the areas of the first figure to the second.
pickupchik [31]

Answer: first option.

Step-by-step explanation:

The ratio of the area of the triangles can be calculated as following:

ratio_{(area)}=(\frac{l_1}{l_2})^2

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(area)}=(\frac{28}{32})^2=\frac{49}{64}

It can be written as following:

ratio_{(area)}=49:64

The ratio of the perimeter is:

ratio_{(perimeter)}=\frac{l_1}{l_2}

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(perimeter)}=\frac{28}{32}=\frac{7}{8}

It can be written as following:

ratio_{(perimeter)}=7:8

5 0
3 years ago
On a scale drawing of a rectangular closet, the length is 125 inches and the width is 3 inches.
katovenus [111]
Scale Factor 1: 42

-----------------------------------------------------
Find actual length for 125 inches:
------------------------------------------------------
125 x 42 = 5250 inches

------------------------------------------------------
Find actual length for 3 inches:
------------------------------------------------------
3 x 42 = 126 inches

------------------------------------------------------
Dimension of the actual closet:
------------------------------------------------------
5250 inches by 126 inches
7 0
3 years ago
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