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diamong [38]
3 years ago
5

Please help anyone know how to do this.

Mathematics
2 answers:
Mademuasel [1]3 years ago
7 0

Answer:

Pythagoras theorem states a^2 + b^2 = c^2  

(The two smallest sides squared will make the hypotenuse squared)

a, b and c are sides of triangle

Answer is option 3

Step-by-step explanation:

dexar [7]3 years ago
6 0

sides of right angle triangle follows Pythagoras theorem

a^2 + b^2 = c^2

where a, b and c are sides of triangle

if you check, option 3 follow this. so answer is option 3

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The population of Brazil was 162,300,000 in 1995. It was growing at a rate of about 2% per decade. Predict the population, to th
stiv31 [10]

Answer:

The population is 168,900,000 to the nearest hundred thousand

Step-by-step explanation:

In this question, we are tasked with calculating the population of Brazil given its population in 1995 and her growth rate per decade.

Mathematically, we use an exponential function to calculate this population.

This can be written as P = I(1 + r)^n

where P is the population in 2015 which we are looking for,

I is the initial population which is 162,300,000

r is the rate of increase per decade given as 2% = 2/100 = 0.02,

n is the number of times between the years we are expecting this growth. The difference between the years 2015 and 1995 is 20 years which signifies 2 decades(1 decade is 10 years). Thus our n is 2

We plug these values into the equation above;

P = 162,300,000(1+0.02)^2

P = 162,300,000(1.02)^2

P = 168,856,920 which is 168,900,000 to the nearest hundred thousand

7 0
3 years ago
4. Alan's go-kart travels 1600 feet per minute, and Barry's go-kart travels 23 miles per hour. Whose
garik1379 [7]
23 miles per hour is 2024 feet per minute
Alan goes at 1600 and Barry goes at 2024
So, Barry goes faster
Hope this helps!
7 0
3 years ago
20 ounces at $7 17 ounces at x dollars
tangare [24]
Make a proportion:
\frac{20}{7}  =  \frac{17}{x}
Then cross multiply and divide to solve.

20x=119

x=5.95

The answer is $5.95
6 0
2 years ago
Need help with this here someone?!
frez [133]

Answer:

b

Step-by-step explanation:

6 0
2 years ago
If Bob mowed 14x² + 12x – 3 yards total for the entire week, how many yards
navik [9.2K]

Answer:

I am going with zero yards.

Step-by-step explanation:

If Bob mowed 14x² + 12x – 3 yards total for the entire week, how many yards

did he mow during the rest of the week?

If he mowed 14x² + 12x – 3 yards for the entire 7 days of the week.  He would not have anymore days to left in the week to mow, so he mowed ZERO more yards

8 0
2 years ago
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