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Lapatulllka [165]
3 years ago
12

If you get this you will get 30 points 2•2•2•2=

Mathematics
2 answers:
stiv31 [10]3 years ago
8 0

Answer:

16

Step-by-step explanation:

ASHA 777 [7]3 years ago
8 0

Answer:

16

Step-by-step explanation:

2×2=4 4×2=8 8×2=16 you multiply each answer by 2

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D=7.9cm. what is the circumference and area of the circle?
In-s [12.5K]
Circumfrence: pi times diameter
7.9*\pi
circumfrence is approximatley 24.806

area: \pi r^2
a=\pi*(1/2(d))^2
a= 48.99
8 0
3 years ago
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Simplify completely x^2+4x-45 / x^2+10x+9
S_A_V [24]

Answer: x - 5/x + 1

Step-by-step explanation:

This algebraic fraction

The task to be performed here is factorisation and simplification. Now going by the question,

x² + 4x - 45/x² + 10x + 9, the factorisation of

x² + 4x - 45 = x² + 9x - 5x - 45

= x(x + 9 ) - 5(x + 9 )

= ( x + 9 )(x - 5 ), don't forget this is the algebraic fraction's Numerator

The second part

x² + 10x + 9 = x² + x + 9x + 9

= x(x + 1) + 9( x + 1 )

= ( x + 9 )( x + 1 ), this is the algebraic denominator.

Now place the second expression which is the denominator under the first expression which is the numerator.

( x + 9 )( x - 5 )/( x + 9 )( x + 1 ).

You can see that, ( x + 9 )/( x + 9 ) divide each other , therefore therr then cancelled and left with

x - 5/x + 1

4 0
3 years ago
Tina and three of her friends are in line with different amounts of money. The first person in line had $775. If the amount trip
nataly862011 [7]
37,975 dollars altogher
4 0
3 years ago
-(10)^-2 simplify the expression
STatiana [176]

your answer is -1/100 (a fraction)

8 0
3 years ago
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A plane covers 2,160 miles in 5.5 hours. what is the average speed of the plane to the nearest tenth?
pantera1 [17]
2160 divided by 5.5 = 392.7 hopefully this is right!

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2 years ago
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