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aksik [14]
3 years ago
12

กรวยโลหะตันสูง 27 cm ถูกตัดในแนวระนาบที่ขนานกับฐานเป็น 3 ส่วน โดยแต่ละส่วนสูงเท่ากัน เมื่อนำส่วนที่ 2 มาหลอมเป็นทรงกลมรัศมี 7 cm

ปรากฏว่าได้โลหะทรงกลม 4 ลูกพอดี กรวยโลหะตันนี้มีรัศมีของฐานยาวเท่าใด
Mathematics
1 answer:
alexdok [17]3 years ago
5 0
What ..........................................................................
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Which describes how to find the solution 5k >22
inysia [295]

Answer:

<h2>k > 4.4</h2>

Step-by-step explanation:

5k>22\qquad\text{divide both sides by 5}\\\\\dfrac{5k}{5}>\dfrac{22}{5}\\\\k>4\dfrac{2}{5}\to k>4.4\to k\in(4.4,\ \infty)

8 0
3 years ago
HURRY NEED THIS ASAP. A company that manufactures golf balls produces a new type of ball that is supposed to travel significantl
Lera25 [3.4K]

The conclusion based on the mean of the ball and the distance traveled is D. Inferences cannot be made about all the golf balls produced on that day.

<h3>How to deduce the inference?</h3>

From the information given, a golf pro randomly selects a ball, not knowing the type of ball, hits it and end of the session, the mean distance traveled for the new type of golf ball was found to be greater than the mean distance for the original-style golf ball.

In this case, inferences cannot be made about all the golf balls produced on that day; however, the conclusion can be made that the new type of golf balls travel farther than the original type of golf ball for this golf pro.

Learn more about mean on:

brainly.com/question/1136789

5 0
2 years ago
Given f(x) = 2x2 - 3, what is the value of f(x + 3)?
creativ13 [48]

Answer:

Answer A is correct.

Step-by-step explanation:

Please note the difference beteen f(x+3) and f(3).

So f(x + 3) means, where you see x in the equation, you substitute x+3. (This is a recursive entry).

f(x)= 2x² - 3

f(x)= -3 + 2x²

f(x)= -3 + 2* (x+3)²

f(x)= -3 + 2* (x+3) * (x+3)

f(x)= -3 + 2* (x² + 3x + 3x + 9)

f(x)= -3 + 2* (x² + 6x + 9)

f(x)= -3 + 2x² + 12x + 18

f(x)= 2x² + 12x + 18 -3

f(x)= 2x² + 12x + 15

So answer A is the correct answer

8 0
3 years ago
WILL GIVE BRAINLIST FOREALS JUST ANSWER QUICKY I PROMISE
olganol [36]

Answer:

t = 0.5m + 15

Step-by-step explanation:

0.5m + 15 = t

7 0
3 years ago
A 2-column table with 10 rows. Column 1 is labeled Classes with entries Hall, Benny, Leggo, Talle, Flower, Gomez, Range, Book, T
Alex787 [66]

Answer:

range: 20

median: 38

Lower quartile and upper quartile: 29 and 42.5

Interquartile range: 13.5

Which value was affected the most: range

8 0
3 years ago
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