You have $18 and a coupon for $5 off a pizza order. There is a special today and the cost of alarge pizza is $7. What is the maximum number of pizzas you can buy?

Answers

Answer 1

Answer: You can only get 3 pizzas because 7 times 3 = 21 so $21-$5=$16 and if you buy 4 pizzas you won’t have enough

Answer 2

Answer: Answer: You can get 3 pizzas

Explanation: 5x3=15, so you can only get 3 pizzas.

Hope this Helps!

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Solve photo question help please.

Answers

4x-8y=0
-3x+8y=-7

x=2y
-6y+8y=-7
2y=-7

y=-3.5
x=7

There is just 1 solution.

Hey guys! I would be thankful if anyone could help me answer this question. A can manufacturing company needs to purchase labels for the cans they produce. They are planning to produce 200,000 cans that will have a height of 20cm and a radius of 5 cm. If the labels cover the entire curved surface of each can, how many square metres of material will be required to label all the cans?

Answers

In order to not get confused, start by converting cm to m
h=20 cm = 0.2m and r=5cm = 0.05m

The cans are cylinders and we only need the rectangular shape, which is equal to the height x the circumference of the circle (2r(pi)), which you'll have to multiply by 200,000 for the number of cans necessary

your equation is therefore:
A=200,000h(2pi(r))
A=200,000(0.2)(2)(0.05)(pi)
A=4000pi m^2

Surface area for a cylinder = 2πrh

r = 5cm, h= 20cm

Surface area for one can = 2πrh = 2*π*5*20 = 200π = 200* 3.14

Surface area ≈ 628 cm²

For the 200, 000 cans, Total area = 200 000 * 628 = 125 600 000 cm²

But 1 000 000 cm² = 1m²

125 600 000 cm² = 125 600 000 / 1 000 000 = 125.6 m²

Total surface area ≈ 125.6 m²

For the values a = 2.9 which is a leg of a right triangle, and value c = 4.2, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth.A. 2.9

B. 3.0

C. 2.8

D. 1.3

Answers

Given:
a = 2.9
c = 4.2
b = ?

Right triangle. Use Pythagorean Theorem.
a² + b² = c²
b² = c² - a²
b² = 4.2² - 2.9²
b² = 17.64 - 8.41
b² = 9.23
b = √9.23
b = 3.04 Choice B.

The length of the other leg is 3.0

The right one is B) 3.0, as you know $a^(2) + b^(2) = c^2$ due to Pythagoras' theorem. So $b= √(c^2 - a^2)$ . Put the right numbers into the formula and you get 3.0. That is B.