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levacccp [35]
2 years ago
12

Evaluate 6^2 - (9 divided by x) when x = 3

Mathematics
1 answer:
Zarrin [17]2 years ago
3 0

Answer:

33

Step-by-step explanation:

You might be interested in
5+5-6+10-100 what is the answer
timama [110]

Answer:

-86

Step-by-step explanation:

5+5=10

10-6=4

4-100=-86

5 0
3 years ago
Mike bought five items for lunch that Cost a total of 4.55 .Hit dogs cost .1.10 each and cookies cost 0.75 each. What equation c
-Dominant- [34]

Answer:

c + h = 5 and

0.75c + 1.10h = 4.55

Step-by-step explanation:

Assume that Mike bought only cookies and hot dogs.

The total can be represented as:

Cookies + Hot\ Dogs = 5 --- (1)

And the amount spent can be represented as:

Cost\ of\ cookies + Cost\ of\ hot\ dogs = 4.55 --- (2)

Required

Determine the system of equation

Let c represents the number of cookies and h, number of hot dogs.

Cookies + Hot\ Dogs = 5 implies c + h = 5

And

Cost\ of\ cookies + Cost\ of\ hot\ dogs = 4.55

Cost of cookies = 0.75 * c

Cost of hot dogs = 1.10 * h

So, we have:

0.75c + 1.10h = 4.55

Hence, the equations are:

c + h = 5 and

0.75c + 1.10h = 4.55

Solving for c and h

Make c the subject in c + h = 5

c = 5 - h

Substitute 5 - h for c in 0.75c + 1.10h = 4.55

0.75(5- h) + 1.10h = 4.55

3.75- 0.75h + 1.10h = 4.55

3.75 +0.35h = 4.55

Collect Like Terms

0.35h = 4.55 - 3.75

0.35h = 0.8

Solve for h

h = 0.8/0.35

h = 2.28571428571

h =2 -- approximated

Recall that:

c = 5 - h

c = 5 - 2

c =3

5 0
3 years ago
Jessica bought 12 pieces of candy at the store for $0.65 each. How much did she spend in all?
vichka [17]

You just do 12•.65. Then that’s your answer.

6 0
3 years ago
Read 2 more answers
Help pls
lana [24]
You can either do;


1. 90(2) = 100(2)

180 = 200


In 3 minutes, they can write 200 words. So now we can divide by 3.

3/3 = 1 minute

200/3 ≈ 66.666


or


2. 90/3 = 30 secs

100/3 ≈ 33.333


30(2) = 1 minute

33.333(2) ≈ 66.666


Either way, the admin assistant can write 67 words per minute. (Rounded to the nearest whole)
3 0
3 years ago
Order of operations<br> 6 + 24 ÷ 3-2
erastovalidia [21]

Answer:

12

Step-by-step explanation:

(6+24÷3)−2

  (6+8)−2

      14−2

        12

6 0
3 years ago
Read 2 more answers
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