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Anon25 [30]
2 years ago
13

Determine the value of a certain number which when multipled by itself gives the same value as 567×63

Mathematics
1 answer:
emmainna [20.7K]2 years ago
7 0

Answer:

189

Step-by-step explanation:

let the number be n , then number multiplied by itself is n² and

n² = 567 × 63 = 35721 ( take square root of both sides )

n = \sqrt{35721} = 189

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Harold, a marina manager, purchased two boats. He then sold the boats, the first
zaharov [31]

Harold paid $ 16,632 and $ 38,808 for each of the boats.

Since Harold, a marina manager, purchased two boats, and he then sold the boats, the first at a profit of 40% and the second at a profit of 60%, and the total profit on the sale of the two boats was 54 % and $ 88 704 was the total selling price of the two boat, to determine what did Harold originally pay for each of the two boats the following calculation must be performed:

  • 55 x 0.6 + 45 x 0.4 = 51
  • 65 x 0.6 + 35 x 0.4 = 53
  • 70 x 0.6 + 35 x 0.4 = 54

  • 88,704 x 0.7 = 62,092.80
  • 160 = 62,092.80
  • 100 = X
  • 100 x 62,092.80 / 160 = X
  • 38.808 = X

  • 88,704 x 0.3 = 26,611.20
  • 140 = 26,611.20
  • 100 = X
  • 100 x 26,611.20 / 160 = X
  • 16,632 = X

Therefore, Harold paid $ 16,632 and $ 38,808 for each of the boats.

Learn more in brainly.com/question/21446500

7 0
3 years ago
Find the approximate value of the circumference of a circle with the given radius. UseT 3.14. Round your results to one more dec
Temka [501]

Answer:

25.1 inches

Step-by-step explanation:

Radius of the circle = 4 inches

We have to calculate the value of Circumference of the circle.

The formula to calculate the circumference is:

Circumference = 2πr

We have to use π = 3.14, as said in the question:

So using the values, we get:

Circumference = 2 x 3.14 x 4 = 25.12 inches

Number of decimals in radius is zero, so we have to round the answer to one decimal place as said in the question.

Therefore, the circumference of the circle rounded to one decimal place will be 25.1 inches

3 0
3 years ago
HELP ME PLEASE!!!!
kykrilka [37]

Answer:

option A

(1.5,1.2)

Step-by-step explanation:

Given in the question two equations

Equation 1

y = √x

Equation 2

y = x²- 1

Equate both equations

√x = x²- 1

<h3>1 method </h3><h3>by plotting graph</h3>

We can see from the graph that both meets when x =  1.5 and y = 1.2

<h3>2 method </h3>

we can plug the options given one by one to see which points satisfy

one thing we know is that x ≠ any negative value since

y = √x and square root of negative value is not possible

so option b and c are rejected

  option A

√1.5 = y = 1.2

1.5²- 1 = y = 1.2

5 0
3 years ago
Find the distance between the points (13, 20) and (18, 8).<br><br> 7<br> 11<br> 13
cupoosta [38]
d = \sqrt{(x_2 - x_1)^{2} + (y_2 - y_1)^{2}}
d = \sqrt{(18 - 13)^{2} + (8 - 20)^{2}}
d = \sqrt{(5)^{2} + (-12)^{2}}
d = \sqrt{25 + 144}
d = \sqrt{169}
d = 13

7 0
3 years ago
Read 2 more answers
Which expression gives the length of JK in the triangle shown below?
tester [92]

Answer:

d

Step-by-step explanation:

by using the a²+b²=c²

c²=

\sqrt{24 { }^{2} }  + 31 {?}^{2}

6 0
2 years ago
Read 2 more answers
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