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Margarita [4]
3 years ago
10

_Izzy wants to paint three walls in her family room. Two walls are 13

Mathematics
2 answers:
stiks02 [169]3 years ago
5 0
The total area would be the combined area of all three

Let’s knock out the first 2

4.5 * 13 = 58.5 * 2 = 117

Now the last

4.5 * 9 = 40.5

117 + 40.5 = 157.5 ft^2
professor190 [17]3 years ago
3 0
It would be 9x4.5 one and 13x4.5 twice equaling 157.5
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Let C represent the cost in dollars and R represent the revenue in dollars. What is the break-even point? Use a table to help if
BigorU [14]

Answer:

x = 5

R = C = 225

Step-by-step explanation:

Given

C = 15x + 150

R = 45x

Required

The break even point

To do this, we make use of:

R =C

45x=15x + 150

Collect Like Terms

45x-15x = 150

30x = 150

x = 5

Substitute 5 for x in R = 45x

R = 45 * 5

R = 225

Hence, the break even point is:

x = 5

R = C = 225

5 0
3 years ago
2/3 ? 1/5 which is it <,>, or =
amm1812
2/3 > 1/5
2/3 = .6666666
1/5 = .2
6 is greater than 2 therefore 2/3 is greater than 1/5
3 0
4 years ago
the cost of 5 oranges and 3 apples is 43 rupees and the cost of 2 oranges and 4 apples is 34 rupees. find the cost of an orange
liraira [26]

Answer: Orange = 5 rupee

Apple = 6 rupees

Step-by-step explanation:

Let the cost of an orange be x

Let the cost of an apple be y

We can form an equation from the question given which will be:

5x + 3y = 43 ......... i

2x + 4y = 34 ......... ii

Multiply equation i by 2

Multiply equation ii by 5

10x + 6y = 86 ........ iii

10x + 20y = 170 ..... iv

Subtract iii from iv

14y = 84

y = 84/14

y = 6

An apple cost 6 rupees

Since from equation ii

2x + 4y = 34

2x + 4(6) = 34

2x + 24 = 34

2x = 34 - 24

2x = 10

x = 10/2

x = 5

An orange cost 5 rupee

5 0
3 years ago
The ratio of boys to girls at a movie is 4:7. If there are 21. girls, how many boys are
IrinaVladis [17]

Answer:

12

Step-by-step explanation:

7*3=21 so 4*3=12

3 0
4 years ago
Please answer this math question for me
klemol [59]

Answer:

angle D is 90⁰

E is 66⁰

and F is 114⁰

7 0
3 years ago
Read 2 more answers
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