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2 years ago

Show how to solve the problem 378×6 using place value with regrouping. Explain how you knew when to regroup

1 answer:

7 0

1. 6 (378) = 2268 = (189 + 189)6

Properties are:
Addition, you can have 6 + 107 = 113 
Commutative Property by moving: 107 + 6 = 113 
Associative Property by grouping: (3 + 3) + (100 + 7 ) = 113 
Distributive Property by allotting: 2 (3) + 107 = 113 

Multiplication, you can have 6 x 107 = 642 
Commutative Property by moving: 107 x 6 = 642 
Associative Property by grouping: (3 + 3) x (100 + 7 ) = 642 
Distributive Property by allotting: 2(3) x 107 = 642

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Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal plac

Serhud [2]

Answer:

Step-by-step explanation:

A) $(tanx-4)(9sin^2x-1)=0\\\\\\$

$9sin^2x-1=0\\\\sin^2x=\frac{1}{9} sinx=\frac{1}{3}$ or $sinx=\frac{-1}{3}$

OR $tanx=4\\$

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2 years ago

What’s the area of the sector=

N76 [4]

Answer:

Step-by-step explanation:

$(\pi)\left(\frac{60}{360} \right)(9^{2})=\boxed{13.5\pi}$

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1 year ago

Evaluate 2(s+t)^3-6when s = 3 and t = 2

Komok [63]

Answer:

994

Step-by-step explanation:

2(s+t)= 10

10^3= 1.000

1.000-6= 994

3 0

2 years ago

Is 10.846 an integer

yulyashka [42]

Hello!

An integer is defined as a number which is not a fraction or irrational. It should be able to be written out as just a number, without a decimal point or additional fraction. (It can have a negative sign) For example, a few integers would be 2, 5, -8, and 9109, while some non-integers would be 3.1, 3 3/2, and 5i.

In this case, 10.846 is not an integer, as it has a decimal.

Hope this helps!

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3 years ago

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ivann1987 [24]

The standard form would be y = 7x^2 - 42x + 67

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2 years ago