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Solution for Grade 8

Views: 5,339

IIT, 2007 70. A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.

Topic:

Electrostats

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Views: 5,201

5x -1/3 (x+1)=6(x+1/30)

Topic:

Rational Numbers

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Views: 5,161

2) Triangle LMN is similar to triangle ABC. Calculate the sides marked with a letter.

Topic:

Mathematics

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Views: 5,585

how toFind the square root of the

decimal numbers

Topic:

Mathematics

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Views: 5,656

Find the length of each side of a square field whose area is 6084 sq. m

Topic:

Mathematics

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Views: 5,698

How to find exponents

Topic:

Mathematics

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Views: 5,270

The volume of a cube is 8,04,357 cu. cm. What will be the length of each side of the cube?

Topic:

Mathematics

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Views: 5,964

The table shows 4 values of x and the corresponding 4 values of y for a linear relationship. Which equation represents the relationship?

Topic:

Maths

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Views: 5,434

Question 14 of 25 Find the area of hexagon STRAIN, if

S A = 10 cm, S L = 8 cm, SP = 7 cm, SM = 5 cm, S U = 3 cm, TU = 4 cm, RP = 6 cm

LI = 3 cm

MN = 5 cm

. (Diagram is not as per scale).

61.5 cm^{2}

63.5 cm^{2}

60.5 cm^{2}

62.5 cm^{2}

Topic:

Mathematics

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Question 10

Views: 5,002

The length of a bacterial cell is about 3 x 10⁻⁶ m, and the length of an amoeba cell is about 4.5 x 10⁻⁴ m. How many times smaller is the bacterial cell than the amoeba cell? Write the final answer in scientific notation with the correct number of significant digits.

a) 2 x 10²

b) 2 x 10³

c) 0.7 x 10¹

d) 6.67 x 10²

Topic:

Mathematics

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Question 11

Views: 5,745

Shandra drove 220 miles in 5 hours. If she continued at the same rate, how long would it take to travel 352 miles?

Topic:

Maths

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Question 12

Views: 5,972

A gardener has 2361 plants. He wants to plant them in such a way that the number of rows is equal to the number of columns. Find the maximum number of rows of plants and the number of plants left out in this arrangement.

Topic:

Mathematics

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Question 13

Views: 5,410

Optical and non optical aids

Topic:

Physics

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Question 14

Views: 5,446

3.16 In the circuit of Fig. 3.39, use resistance combination methods and current division to find it, i2, and U3.

Topic:

Physics

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Question 15

Views: 5,604

PRACTICE 3.3 For the circuit of Fig. 3.9, determine

(a) v_{R 2}

(b) v_{2}

v_{R 1} = 1 V

Topic:

Physics

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Question 16

Views: 5,984

TELEGRAM 56. Employing resistance combination and current division as app mine values for

i_{1}, i_{2}

v_{3}

in the circuit of Fig. 3.92. FIGURE 3.92

Topic:

Physics

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Question 17

Views: 5,809

TELEGRAM 56. Employing resistance combination and current division as app mine values for

i_{1}, i_{2}

v_{3}

in the circuit of Fig. 3.92. FIGURE 3.92

Topic:

Physics

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Question 18

Views: 5,242

41. (a) Determine the values for

I_{X}

V_{Y}

in the circuit shown in Fig. 3.79. (b) Are those values necessarily unique for that circuit? Explain. (c) Simplify the circuit of Fig. 3.79 as much as possible and still maintain the values for

v

i

. (Your circuit must contain the

1Ω

resistor.) FIGURE 3.79

Topic:

Electric circuits

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Question 19

Views: 5,241

5:07 944 AA prescott.schoolsplp.com 9. Choose the best answer. Which of the following simulations will best model this situation? Darvin creates ornaments using 6 different three-dimensional shapes and 5 different colors. He likes to randomly select the shape and color for each ornament. Spin a 3-section spinner twice for the shape. Spin a 5-section spinner for the color. Roll a standard number cube for the shape. Place tiles numbered 1 to 5 in a bag and randomly select a number. Roll a standard number cube for the shape: Roll a second standard number cube and subtract 1 from the result for the color. Flip a coin 3 times for the shape. Spin a 5-section spinner for the color. 10. Choose Yes if the situation is a random sampling. Choose No if it is not. Select the answer with the correct reason. Lilian surveyed her friends to see what they thought of their school. No. Lilian's friends may not have represented the entire school population, and couldn't be trusted to give honest answers. No. Lilian's friends may not have represented the entire school population, and there is no mention of how many friends she surveyed. Yes. Lilian's friends may not have represented the entire school population, but they could be trusted to give honest answers. Yes. Lilian's friends could be trusted to represent the entire school population making it a valid random sampling. 11. Use the bar graph to answer the question. Ronnie's aunt likes to record the number of birds she sees while birdwatching daily. If the number of birds observed on Thursday decreases by 20, how many fewer birds would Ronnie's aunt expect to see on Tuesday to keep the ratio between the birds seen on Thursday and on Tuesday the same? Previous

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Topic:

Maths

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Question 20

Views: 5,048

Rewrite using a single positive exponent.

\frac{6 ^{- 5}}{6 ^{3}}

Topic:

Maths

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