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oksano4ka [1.4K]
2 years ago
10

Its given that x varies directly with y square and x=3 and y=3.Find the value of x when y=45

Mathematics
1 answer:
ivanzaharov [21]2 years ago
7 0

Step-by-step explanation:

x = ky², where k is a real constant.

When x = 3, y = 3.

=> 3 = 9k, k = 1/3.

Therefore x = y²/3.

When y = 45, x = 45²/3 = 675.

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chubhunter [2.5K]

Answer:

7.5

Step-by-step explanation:

\sqrt{0\\.3} = 0.5477225575

Multiply it by 5

= 2.738612788

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7.5 ft^{2}

Hope this helped. :)

5 0
3 years ago
I need help with this 8
zubka84 [21]

The complete proof for the given parallelogram is given in the image attached below.

<h3>What is a Parallelogram?</h3>

A parallelogram is a quadrilateral whose opposite sides are parallel and also congruent to each other.

The complete proof would be as shown below:

1. ABCD is a parallelogram [given]

2. AB║CD [Definition of parallelogram]

3. ∠1 ≅ ∠2, ∠3 ≅ ∠4 [alternate interior angles theorem]

4. AB ≅ CD [Definition of parallelogram]

5.  ΔABE ≅ ΔCDE [ASA]

6. AE ≅ CE, BE ≅ DE [CPCTC]

7. AC and BD bisects each other at E [definition of segment bisector]

Learn more about parallelogram on:

brainly.com/question/3050890

#SPJ1

6 0
1 year ago
Express in the form <br> 1<br> :<br> n<br> .<br> Give <br> n<br> as a decimal.<br> 10<br> :<br> 4
Brut [27]

Answer:

n=0.4

Step-by-step explanation:

10:4=5:2

to make 5 as 1, we will divide both 5 and 2 by 5

<h3>\frac{5}{5}:\frac{2}{5}=1:n</h3><h3>therefore, n=\frac{2}{5} = 0.4</h3><h3 /><h3>                                           </h3>
5 0
3 years ago
Select the action you would use to solve 3x = 12. Then select the property
podryga [215]

Answer:

C: Divide both sides by 3

F: Division property of equality

Step-by-step explanation:

3x=12\\x=\frac{12}{3}\\x=4

3 0
2 years ago
A costumer placed an order with a bakery for muffins.The Baker has completed 37.5% of the order after baking 81 muffins. How man
Elza [17]
216 ? Maybe . I think you have to multiply 81 times .375 you move the decimal two places over . I believe that’s how you do the problem
5 0
3 years ago
Read 2 more answers
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