MATHEMATICS MIDDLE SCHOOL

Mason gave the waiter a $14.58 tip, which was 15 percent of the dinner bill. What was the amount of the dinner bill before he added the tip?A. $9.72
B. $21.87
C. $97.20
D. $218.70

Answers

Answer 1
Answer:

Answer:

Option C.

Step-by-step explanation:

Let x be the total amount of the dinner bill.

It is given that Mason gave the waiter a $14.58 tip, which was 15 percent of the dinner bill.

x* (15)/(100)=14.58

Multiply both sides by 100.

15x=1458

Divide both sides by 15.

(15x)/(15)=(1458)/(15)

x=97.20

The amount of the dinner bill before he added the tip is $97.20. Therefore, the correct option is C.
Answer 2
Answer: C. You take the tip amount devided by 15%. Thats 0.15. You the get the answer 97.20

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What is the probability that a number selected at random from the set {2, 3, 7, 12, 15, 22, 72, 108} will be divisible by both 2 and 3 ?F. 1/4
G. 3/8
H. 3/5
J. 5/8
K. 7/8

Answers

Total amount of numbers in the set = 8 .

Total amount that are divisible by both 2 and 3 = 3 .

So the probability of picking one of them is 3/8 = 37.5 percent.
|\Omega|=8\n |A|=3\n P(A)=(|A|)/(|\Omega|)\n P(A)=(3)/(8)

41.77=r^3 find the original equation is 175=4/3 (pie) r^3

Answers

Hello!

I am assuming we want to find r. To do so we just find the cube root of 41.77, which is about 3.47.

Therefore, r is about 3.47.

I hope this helps!

(4)/(3)\pi r^3=175\ \ \ |\cdot3\n\n4\pi r^3=525\ \ \ \ |:4\pi\n\nr^3=(525)/(4\pi)\to r=\sqrt[3]{(525)/(4\pi)}\to r\approx3.47

A bakery offers a small circular cake with a diameter of 6 inches. It also offers a large circular cake with a diameter of 18 inches. Complete the explanation for wether the top of the large cake has three times the area that of the small cake. The area of the top of the large cake is ____ pie in2 and that of the small cake is ______ pie in2. The top of the cake has an area equal to _____ times that of the small cake.

Answers

Answer:

The area of the top of the large cake is 254.34 in2 and the small cake is 28.26 in2. The top of the large cake has an area equal to 9 times that of the small cake.

Step-by-step explanation:

Area of a circle is TTr^2 (TT is pi).

Large cake: 3.14x9^2=254.34

Small cake: 3.14x3^2=28.26

254.34/28.26=9

Answer:

  • The area of the small cake is 81π in 2.
  • The area of the large cake is 9π in2.
  • The top of the large cake has an area equal to 9 times that of the small cake.

Step-by-step explanation:

Find the area of the small cake in terms of π.

A = πr2                       Use the formula.

A = π(3)2                    Substitute. Use 3 for r.

A = π × 9               Evaluate the power.

Find the area of the top of the large cake in terms of π.

A = πr2                        Use the formula.

A = π(9)2                     Substitute. Use 9 for r.

A = π × 81                 Evaluate the power.

Find how much larger the area of the top of the large cake is compared to the area of the small cake.

81π ÷ 9π = 9

Plzzzzzz help plzzzzz

Answers

(3+5)= 8
6*8=48
48/4=12
12

what is the answer to (11x4)^9

Answers

( 11 * 4 ) ^9
   ( 44 ) ^9
Multiply 44 nine times
44 * 44 * 44 * 44 * 44 * 44 * 44 * 44 * 44=  618121839509504
First, multiply 11 by 4, to get 44, then figure out what 44 to the ninth power is (618,121,839,509,504).

How do you round 70.140 to nearest tenth

Answers

in the number 70.140, the 1 is the tenth place so to round to nearest tenth place you look at one place over (hundredth) in this case it is the 4. if the number in the hundred place is 5 or greater then you round the number in the tenths one digit up. 
in this case the number in the hundredth place is under 5 so we keep the number in the tenths place,
so the answer would just be 70.1
70.100

the tenth in this number is the one after the decimal point. if the number after the number you are rounding(4) is greater than or is 5 the number you are rounding goes up. if its lower than 5 the number you are rounding stays the same.
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For example it cost $36 for for movie tickets so the cost per unit or per ticket is 9
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