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Free_Kalibri [48]
2 years ago
12

2x10= is equal to what ?

Mathematics
2 answers:
Digiron [165]2 years ago
5 0

Answer:

2x10=20

Step-by-step explanation:

think about it like this, when your multiplying a number by 10 add a 0 to the end of the number, then you should have your answer :)

I am joyous to assist anyone at anytime :)

s2008m [1.1K]2 years ago
4 0

Answer:

20

Step-by-step explanation:

2×10=20

Or...

10+10=20

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PLEASE HELPP !! The ceiling of Stacy's living room is a square that is 25 ft long on each side. Stacy knows the diagonal of the
EleoNora [17]

Answer:

a) d = 36 ft. ( using Pithagoras´theorem )

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Step-by-step explanation:

a) Using Pythagoras´Theorem:

Diagonal (d) is the hypothenuse of a right triangle of side 25 feet, and according to Pythagoras´Theorem in a right triangle.

d²  =  a²  +  b²  

In this particular case  a =  b  =  25 feet then

d² =  (25)²  +  ( 25)²

d  = √ 2 * (25)²

d  = √2   * 25

d  =  1,414*25

d  =  35,35

d = 36 ft.

b) Using trigonometry:

We know that sin 45° = cos 45° =  √2 / 2

In a right triangle

sin α  =  opposite side / hypothenuse (d)

sin 45°  =  √2 / 2   =  25/ d

√2 *d  =  2* 25

d  =  50/√2

d  =  50 / 1,414

d  =  35,36

d = 36 ft

6 0
3 years ago
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Fynjy0 [20]

Answer:

Option i

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We can clearly see that there are two terms in the expression , 5x² and 3xy .

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Answer:

Both boats will be 54 miles apart after 3 hours.

Step-by-step explanation:

Given that from a point on a river, two boats are driven in opposite directions, one at 7 miles per hour and the other at 11 miles per hour, to determine how many hours they will be 54 miles apart, the following calculation must be performed :

54 / (11 + 7) = X

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What value does the 1 represent in the number 4105.8
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Answer:

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Step-by-step explanation:

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