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tekilochka [14]
2 years ago
8

Where am I to put the points? help?

Mathematics
1 answer:
maria [59]2 years ago
7 0

we know that a has to be a number less than 0 and c has to be a number greater than 0. so a has to go before the number 0 and b can go before or after 0, as long as it satisfies the equation

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Estimate the perimeter and the area of the shaded figure to the nearest tenth.
Anna007 [38]

Answer:

Here is ur answer.

Step-by-step explanation:

8 0
3 years ago
The country of Freedonia has decided to reduce its carbon-dioxide emission by
Goshia [24]

Answer:

\\E(t) =40(0.65)^{t}

Step-by-step explanation:

Since the country wants to reduce the emission by the percentage each year, the function will be decaying function. The formula of decaying function will look like this  

E(t) =E_{0} (1-r)^{t}\\

Where

E(t) = the number of emission after t years

E0= the number of initial emission= 40 million tons

r=rate of growth/decay = 35%= 0.35

t= time in years

If we put the number, the equation will be:

E(t) =E_{0} (1-r)^{t}\\E(t) =40(1-0.35)^{t}\\E(t) =40(0.65)^{t}

3 0
3 years ago
A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below. F
Anastasy [175]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
<span>By the time firework a has been launched, firework b has already been launched for 0.25 seconds, so if we treat the two as equations, then

a = 220 (t)
b =</span> 220 (t) +  220 (.25)

<span>And we want to know when these two equal eachother, as that's they will both detonate.

220t = 200 t + 200 (.25)
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t = 2.5</span>
7 0
2 years ago
Solve 13 and 14, please.
Amiraneli [1.4K]

Answer: The answer to 13 is 30. but one row will only have 1

Step-by-step explanation:If you divide 121 by 4 you will get a answer of 30 with a remainder of 1. since it is a uneven number. So you will have one row with only 1 chair.

3 0
2 years ago
A and B are vertical angles. If m A = (5.x - 2)° and m<br> B = (3r + 12), then find the value of x
galina1969 [7]

Answer:

Step-by-step explanation:

∠A=∠B               (V.O.A, Vertically oppt angles are eql)

5x-2=3x+12

5x-3x=12+2

2x=14

∴x=14÷2

x=7°

7 0
2 years ago
Read 2 more answers
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