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o-na [289]
2 years ago
10

Please look at the screenshot it has my question.

Mathematics
1 answer:
shepuryov [24]2 years ago
3 0

Answer:

6.25 mins (6 minutes 15 seconds)

Step-by-step explanation:

96 tests = 2mins

300 tests = x mins

X = 2/96 x 300

X = 6.25 mins

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What shape is created by the rotation and what is the
zlopas [31]

Answer:

<u>Option D: A cylinder with a circumference of about 50 units​</u>

Step-by-step explanation:

The rest of the question is the attached figure.

The square shown has a perimeter of 32 units. The square is rotated about line k. What shape is created by the rotation and what is the approximate circumference of the base? Circumference of a circle: C = 2πr

===================================================

Given:  the perimeter of the square = 32

perimeter of a square is four times the length of its side

So, the side length of square = 32/4 = 8 units

The square is rotated about line k.

So, it will form a cylinder with radius 8 units.

Circumference of a circle = 2 π r

Where, r is the radius of the circle.

Circumference of the base is C = 2 π * 8

∴ C = 16π = 16 * 3.14

∴ C = 50.26548 ≈ 50

The shape is created by the rotation is a cylinder with a circumference of about 50 units.

<u>So, the answer option is D.</u>

4 0
3 years ago
Which of the ratios below is equivalent to 4:3? Select all that apply.
ruslelena [56]

Answer:

A, B, and D good luck

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Jylene and her brother had a total of $35.19 to buy school supplies. Jylene's school supplies cost
cricket20 [7]

Answer:

13.31

Step-by-step explanation:

First do 35.19-12.78=22.41

I assume slightly more than $9 is .1

then subtract 22.41-9.1=13.31

5 0
3 years ago
|2m - 2| &gt; 6 what is the answers
stira [4]

Answer: Theres 2 possible answers

M > 4 and M < -2

Step-by-step explanation:

:)

4 0
3 years ago
The sum of Jada and Sophie's ages is, at most, 18. Sophie is 3 years older than twice Jada's age. Write an inequality model Jada
liq [111]

Answer:

Step-by-step explanation:

s=2j+3\\ \\ j+s\le 18\\ \\ j+2j+3\le 18\\ \\ 3j+3\le 18\\ \\ 3j\le 15\\ \\ j\le 5\\ \\ \text{Though j=5 is the only solution to both equations.}

5 0
2 years ago
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