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2 years ago

12

What are mind jigglers

1 answer:

Arada [10]2 years ago

4 0

I think the phrase comes from " Multiplication Mind Jigglers", a math exercise to practice multiplication. A Jiggler is the noun for jiggle, which is short movements up and down or to the sides, and i think it refers to how the children who do the exercise have to "hop" around the page to find the right answer.

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stiv31 [10]

-21,-5,3 is the answe

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2 years ago

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How many times smaller is 2 × 10-3 than 4 × 10-2? PLEASE HELP

NNADVOKAT [17]

<h2>The required "option A) 20" is correct.</h2>

Step-by-step explanation:

Let x be the smaller than 4 × $10^{-2}$ .

To find, the number of times smaller is 2 × $10^{-3}$ than 4 × $10^{-2}$ = ?

∴ x = $\dfrac{4\times 10^{-2}}{2\times 10^{-3}}$

= 2 × $10^{-2}$ × $10^{3}$

Using the identity,

$a^{m}=\dfrac{1}{a^{-m}}$

= 2 × $10^{-2+3}$

Using the identity,

$a^{m} \timesa^{n}=a^{m+n}$

= 2 × $10^{1}$

= 2 × 10

= 20

Thus, the required "option A) 20" is correct.

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2 years ago

Tires are rotating at a rate of 35 revolutions per minute. Find the angular speed of the tires in radians per minute.

Alexxx [7]

Answer:

35poi

Step-by-step explanation:

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2 years ago

Which one is it i don’t know

matrenka [14]

Answer:

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2 years ago

Line e passes through points (10, 8) and (3, 5). Line f passes through points (3, 1) and (10, 4). Are line e and f parallel or p

babunello [35]

Answer:

e║f.

Step-by-step explanation:

1) the pointed vectors of the given lines are:

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for line f: (10-3;4-1)=(7;3);

2) -7/7=-3/3=-1, it means the lines are parallel.

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1 year ago