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Mamont248 [21]
3 years ago
13

(-5)-(-7)+(9)+(-14) simplify equation

Mathematics
2 answers:
Travka [436]3 years ago
8 0
Vs
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cherry frurfdhbs t5gewax
s2008m [1.1K]3 years ago
3 0
When you subtract a negative you're just adding the number. So:
(-5) - (-7) = -5 + 7 = 2
2 + 9 + (-14)
11 + (-14)
When you add a negative number you simply subtract that number. So:
11 + (-14) = 11 - 14 = -3
So this entire equation simplifies to -3

Hope this helps.
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A. A group of twelve art students are visiting a local art museum for a field trip. The total cost of admission for the students
Shalnov [3]

Answer:

a) $10.42

b) 11 trips

c) 10 cookies

d) 12/125ths of a cheesecake (or 9.6%)

Step-by-step explanation:

a)  

Let x = the cost of admission for each student

Let y = the total cost of admission

⇒  y = 12x  

⇒  125 = 12x  

⇒  x = 125 ÷ 12  

⇒  x = 10.42

So the cost of admission for each student = $10.42

b)

Let x = the number of trips

Let y = the total number of passengers

⇒  y = 12x

⇒  125 = 12x  

⇒  x = 125 ÷ 12  

⇒  x = 10.42

Therefore, the van must make 11 trips in order to bring 125 passengers to the same location.  (If it took 10 trips, then it would only bring 120 passengers, hence why we have to round make 11 trips to bring the last 5 passengers).

c)

Let x = the number of cookies each neighbor will receive

Let y = the total number of baked cookies

⇒  y = 12x

⇒  125 = 12x  

⇒  x = 125 ÷ 12  

⇒  x = 10.42

Therefore, each neighbor will receive 10 cookies (we have to round it down, as if each neighbor received 11 cookies, we would need 132 in total).

d)

Let x = the number of cheesecakes purchased

Let y = the amount of cheescake each guest will receive

⇒  y = 125x

⇒  12 = 125x  

⇒  x = 12 ÷ 125

⇒  x = 12/125 = 0.096 = 9.6%

Therefore, each guest will receive 12/125ths of a cheesecake (or 9.6%).

6 0
2 years ago
The radius of a circular sign is 17 inches. Equal parts of the sign are painted green and brown. How many square inches are pain
LenaWriter [7]

Answer:

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Step-by-step explanation:

Answer this by finding the area of the whole circle and then dividing that by 2:

(3.14)(17 in)^2  /  2

or:

453.7 in^2 for each color

PS:  It's ' pi ' not "pie"

7 0
3 years ago
Read 2 more answers
Please help i don't understand!
Maksim231197 [3]

Answer:

Step-by-step explanation:

5 0
2 years ago
A times C is represented by
inn [45]
Ac
Just like xy = 4

Or ac + ac = 2ac

Unless you're asking about geometry or SI prefixes or....?
7 0
3 years ago
Least to greater -.06, -2.7, -.05
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Your answer is going to be -2.7, -0.6, -0.5

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