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konstantin123 [22]
3 years ago
8

HELP I NEED SOMBODEY HELP NOT JUST ANYONE JK HELP ME PLSSSSS

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0
You cross multiply/butterfly method so 5•6= 30 and 5•8=40 so it would be 30/40 OR 3/4 simplified
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The variables y and x^2 are directly
choli [55]

Answer:

y = \frac{20}{21} x²

Step-by-step explanation:

Given that y and x² are directly proportional then the equation relating them is

y = kx² ← k is the constant of proportion

When x = 2

y = k × 2² = 4k

When x = 5

y = k × 5² = 25k

Then

25k - 4k = 20 ( difference between values is 20 )

21k = 20 ( divide both sides by 21 )

k = \frac{20}{21}

y = \frac{20}{21} x² ← equation of proportion

6 0
2 years ago
The school is planting a circular garden. If the
Tatiana [17]

Answer:

<u>The area of the circular garden is 28.3 square feet</u>

Step-by-step explanation:

Let's recall that the area of a circle is π * r², therefore if the diameter of the circular garden is 6 feet, the area is:

Diameter = 6 feet ⇒ radius = (6/2) = 3 feet

Area of the circular garden = π * 3²

Area of the circular garden = 3.1416 * 9

Area of the circular garden = 28.2744

<u>Area of the circular garden = 28.3 square feet</u>

8 0
3 years ago
Evaluate the power: (−3)^4<br> A. 81<br> B. -81<br> C. 243<br> D. -331
Agata [3.3K]

Answer:

The answer is 81.

Step-by-step explanation:

Since the power of 4 is even, the result will be positive.

{3}^{4}

Simplify.

81

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>Option</u><u> </u><u>A</u><u>)</u><u> </u><u>81</u><u>.</u>

7 0
2 years ago
Read 2 more answers
Which expression is equivalent to w4−25w2+144
eduard
Sorry I’m just commenting to do it
8 0
2 years ago
Based on the figure below, what is the value of x?
ololo11 [35]

Answer:

option C is the correct answer

6 0
3 years ago
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