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Amiraneli [1.4K]
3 years ago
10

What is the square root of 841

Mathematics
1 answer:
mars1129 [50]3 years ago
5 0
29 ...................................................................................................
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City A's population of 1115000 is decreasing at a rate of 15000 per year. City B's population of 698000 is increasing at a rate
vredina [299]

Answer:

7 years

Step-by-step explanation:

Let x  be number of years the populations be equal

City A's population of 1115000 is decreasing at a rate of 15000 per year.

The population is decreasing at a constant rate so we use equation

y= mx + b

where m is the slope(rate), b is the initial population

m= -15000 (decreasing) , b= 1115000

y= -15000 x + 1115000

City B's population of 698000 is increasing at a rate of 45000 per year.

m= 45000 (increasing) , b= 698000

y= 45000 x + 698000

Now we set the equations equal and solve for x

45000 x + 698000 = -15000 x + 1115000

Add 15000 on both sides

60000 x + 698000 = 1115000

Subtract 689000 on both sides

60000 x = 417000

Divide by 60000 on both sides

x= 6.95

So after 7 years the population will be equal.

7 0
3 years ago
Which value satisfies the inequality -2x + 8 + 5x > 2x + 1? A) -15 B) -10 C) -7 D) -5
Novosadov [1.4K]
<span>-2x + 8 + 5x > 2x + 1
3x + 8 > 2x + 1
         x > -7

answer
D) - 5</span>
5 0
3 years ago
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2.043928 as a fraction
galben [10]

2043928/1000000

Sorry if i'm wrong

7 0
3 years ago
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Find the value of in the triangle shown below.<br> 13<br> 12<br> X
Lynna [10]

Answer:

D) 5

Step-by-step explanation:

a²+b²=c²

12²+b²=13²

144+b²=169

b²=169-144

b²=25

b=√25

b=5

5 0
3 years ago
MATH PLEASE HELP! WILL MARK BRAINLIEST ANSWER!
Nikolay [14]
I believe it is 3,4 4,5 3,6
7 0
3 years ago
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