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bogdanovich [222]
2 years ago
14

Pls help i only have 2 minutes!!!!!!!!!!!!!!

Mathematics
2 answers:
nikdorinn [45]2 years ago
7 0

Answer:

(-25)+12

=13

40+(-63)

=23

umka21 [38]2 years ago
4 0

Answer:

40 + ( -63) is less

Step-by-step explanation:

.... .....

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the city park department is planning to enclose a play aea. one side of the area will be against an existing building, so no fen
SVEN [57.7K]

Answer:

length = 200 m

width = 400 m

Step-by-step explanation:

Let the length of the plaing area is L and the width of the playing area is W.

Length of fencing around three sides = 2 L + W = 800

W = 800 - 2L ..... (1)

Let A is the area of playing area

A = L x W

A = L (800 - 2L)

A = 800 L - 2L²

Differentiate with respect to L.

dA/dL = 800 - 4 L

It is equal to zero for maxima and minima

800 - 4 L = 0

L = 200 m

W = 800 - 2 x 200 = 400 m

So, the area is maximum if the length is 200 m and the width is 400 m.

8 0
3 years ago
Read 2 more answers
The function C(x)=17.5x-10 represents the cost (in dollars) of buying x tickets to the orchestra with a $10 coupon. How much doe
Rudiy27

Answer:

8 tickets

Step-by-step explanation:

x = 10 in the given equation.

We have then:

C (x) = 17.5x - 10

C (10) = 17.5 * (10) - 10

C (10) = 165

Answer:

to buy 10 tickets cost:

$ 165

b. How many tickets can you buy with $ 130?  

For this case we must make the substitution: C (x) = 130

We have then:

C (x) = 17.5x - 10

130 = 17.5x - 10

Clearing x we have:

17.5x = 130 + 10

17.5x = 140

x = (140) / (17.5)

x = 8

Answer:

You can buy 8 tickets with $ 130

5 0
2 years ago
What is the least common multiple of 15 and 6?<br><br> Take notes and show your work.
Mariulka [41]
Hello!

The least common multiple is 3

Hope this helps!
4 0
3 years ago
A survey showed that 23 out of every 100 students play a musical instrument. What percent of the students surveyed play a musica
Gnom [1K]

Answer:

23%

Step-by-step explanation:

7 0
3 years ago
What is the measure of m?<br> 12<br> 4.<br> n<br> m<br> m = [?]<br> Please help!
Murrr4er [49]

I think the answer to m is 8

3 0
2 years ago
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