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kodGreya [7K]
3 years ago
13

Find the circumference of the pizza to the nearest tenth.

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0

Answer:

C=2πr

r=D/2=10/2=5

C=2×3.14×5

C=31.4in

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Omar works as a tutor for $15 an hour and as a waiter for $7 an hour. This month, he worked a combined total of 83 hours at his
Alborosie

Answer: 8t+581

Step-by-step explanation:

<h3> The complete exercise is: "Omar works as a tutor for $15 an hour and as a waiter for $7 an hour. This month, he worked a combined total of 83 hours at his two jobs. Let "t" be the number of hours Omar worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month."</h3><h3 />

Let be "t" the number of hours Omar worked as a tutor this month and "w" the number of hours Omar worked as a waiter this month.

Based on the data given in the exercise, you know that Omar worked a combined total of 83 hours this month.

Then, you can represent the number of hours he worked as a waiter this month with this equation:

w=83-t

Since he earns  $15 per hour working has a tutor and $7 per hour working as a waiter, you can write the following expresion to represent the total money earned:

15t+7w

Since w=83-t, you can substitute it into the expression and then simplify it in order to find the final expression that represents the total amount of money Omar earned this month.

This is:

15t+7(83-t)=15t+581-7t=8t+581

4 0
3 years ago
4% of what days is 56 days
leva [86]
The answer would be 14 because 4x__=56 ? 4 x14 =56
6 0
3 years ago
You need a 50% solution. On hand, you have a 200 mL of a 35% alcohol mixture. You also have 70% alcohol mixture. How much of the
CaHeK987 [17]

Answer:

150 mL

Step-by-step explanation:

We need a mixture that is at 50%, now we have 200 mL at 35% and another mixture that is at 70%, that is, we must calculate how much of this mixture is added, by the following equation

200 * 35% + x * 70% = 50% (x + 200)

70 + 0.7 * x = 0.5 * x + 100

0.7 * x - 0.5 * x = 100 - 70

0.2 * x = 30

x = 30 / 0.2

x = 150

150 mL must be added so that the mixture is 50%.

6 0
3 years ago
Is -4 greater then or less then -5​
Annette [7]
-4 is greater than -5
5 0
3 years ago
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WILL GIVE BRAINLEIST SUPER EASY NEED TO TURN IN AT 9:45 PLS HURRY IF YOU HAVE TIME PLS HELP WITH OTHER QUESTIONS PLS THANK YOU
nignag [31]

Answer:

A. 24.5

B. 29.6

Step-by-step explanation:

A.

19 - 13.5 = 5.5

30 - 5.5 = 24.5

24.5 - 5.5 = 19

24.5

B.

43.8 - 36.7 = 7.1

36.7 - 7.1 = 29.6

29.6 - 7.1 = 22.5

29.6

7 0
3 years ago
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