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rodikova [14]
4 years ago
11

In an online practice test, Sam got 11 correct answers. However, 3.5 points were deducted for incorrect answers. If he scored 18

.5 points in the test, how much did he score for each correct answer?
Mathematics
1 answer:
polet [3.4K]4 years ago
6 0
Answer: 18.5/11=37/22 or 1.68181818181...

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A cylindrical container of three rubber balls has a height of 27 centimeters and a diameter of 9 centimeters. Each ball in the c
e-lub [12.9K]

Answer:

Volume of space in cylinder = 572.27 cm³ (Approx.)

Step-by-step explanation:

Given:

Height of cylinder = 27 cm

Diameter of cylinder = 9 cm

Radius of cylinder = 9 / 2 = 4.5 cm

Number of sphere ball = 3

Radius of sphere ball = 4.5 cm

Find:

Volume of space in cylinder

Computation:

Volume of space in cylinder = Volume of cylinder - Volume of 3ball

Volume of space in cylinder = πr²h - 3[(4/3)πr³]

Volume of space in cylinder = [22/7][4.5]²[27] - 3[(4/3)[22/7][4.5]³]

Volume of space in cylinder = [(3.14)(20.25)(27)] - [(4)(3.14)(91.125)]

Volume of space in cylinder = 1,716.795 - 1,144.53

Volume of space in cylinder = 572.265

Volume of space in cylinder = 572.27 cm³ (Approx.)

6 0
3 years ago
Please help me and ill give brainlist
VMariaS [17]
The text is blurry, can’t read it!
5 0
4 years ago
Which expression represents the inverse of y = 12x - 3
a_sh-v [17]
<span>y = x + 3 / 12
This is your answer.</span>
4 0
3 years ago
Read 2 more answers
Midpoint of (2,4) and (2, -7)
slega [8]

Step-by-step explanation:

soln:

let,

(x1,y1) =(2,4)

(x2,y2)=2,-7)

Now,

By midpoint formula,

×= <u>x</u><u>1</u><u>+</u><u>x</u><u>2</u>

2

= <u>2</u><u>+</u><u>2</u>

2

=<u>4</u>

2

=2,,

And,

Y=<u>y</u><u>1</u><u>+</u><u>y</u><u>2</u>

2

=<u>4</u><u>-</u><u>7</u>

2

= <u>-</u><u>3</u>

2

Hence ,

The mispoint between points (2,4) and (2,-7) is (2,<u>-</u><u>3</u><u> </u><u> </u><u> </u><u>)</u>

2

6 0
2 years ago
12. Jessie drove 30 miles in 55 minutes. If she continues at the same speed, how many
pentagon [3]
The answer is 92/8/11 or 1020/11

Reason: 170/55=34/11

34/11x30= 92/8/11 or 1020/11
4 0
4 years ago
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