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4 years ago

Plz answer to be the the brainliest

Mathematics

1 answer:

Liula [17]4 years ago

6 0

Answer:

Step-by-step explanation:

Ticket price for 2 adults = 55 * 2 = £ 110

Ticket price for 2 children = 45 * 2 = £ 90

Ticket price for 2 children & 2 adult = 110 + 90 = £ 200

Ticket price for family = £ 170

Discount = 200 - 170 = £ 30

Percentage of discount = (30/200) *100

= 15 %

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Find two numbers such that one number is 3 less than twice as big as the other number and the two numbers sum to 21.

Hitman42 [59]

Answer:

The two numbers are:

8 and 13

Step-by-step explanation:

a = 2b - 3 Eq. 1

a + b = 21 Eq. 2

Replacing Eq. 1 in Eq. 2:

(2b-3) + b = 21

3b - 3 = 21

3b = 21 + 3

3b = 24

b = 24/3

b = 8

from Eq. 1

a = 2*8 - 3

a = 16 - 3

a = 13

Check:

From Eq. 2:

a + b = 21

13 + 8 = 21

8 0

2 years ago

Juan's company spent $ 2,350 on an event.They spent about $2,500 on food and about $900 on entertainment.What could the actual c

kodGreya [7K]

The highest amount it could be is 2,499 + 899= 3,898 which could be rounded to 3,900

7 0

4 years ago

lev buys a drink of $3.05 and a slice of a pizza for $5.40 he now has $12.37 let how much money did teddy have to begin with

yan [13]

Answer:

12.37 + 5.40 + 3.05 = $20.82

7 0

4 years ago

Find the surface area of the cylinder formed by the net. Use 3.14 for π.

sineoko [7]

Answer:

138.16 square feet

Step-by-step explanation:

The surface area of the cylinder consists of one rectangle and two circles.

1. The radius of the circle is 4 ft, then the area of the circle is

$A_{circle}=\pi r^2 =\pi \cdot 4^2 =16\pi \ ft^2$

2. The width of the rectangle is 1.5 ft, the length of the rectangle is the circumference of the circle.

Find the circumference:

$C=2\pi r=2\pi \cdot 4=8\pi \ ft$

Hence,

$A_{rectangle}=1.5\cdot 8\pi =12\pi \ ft^2$

3. The surface area of the cylinder is

$SA=2A_{circle}+A_{rectangle}=\\ \\=2\cdot 16\pi +12\pi =32\pi +12\pi =44\pi \approx \\ \\\approx 44\cdot 3.14=138.16\ ft^2$

8 0

3 years ago

What are Domain, Ranges, and Functions?

Murrr4er [49]

Answer:

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. (In grammar school, you probably called the domain the replacement set and the range the solution set.

Step-by-step explanation:

4 0

4 years ago