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WARRIOR [948]
3 years ago
12

Simplify the expression. 4y + 3( y+1) + 2 (x + 5)

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

4y + 5x + 13

Step-by-step explanation:

4y + 3(y + 1) + 2(x+5)

Distribute

4y + 3y + (3 x 1) + 2x + (2 x 5)

4y + 3y + 3 + 2x + 10

Combine like terms

4y + 5x + 13

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Os números em notação científica são os seguintes : -

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2) 0,000,007 ⟹ \boxed{7 × 10^{0}}

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2 years ago
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The circle C has equation x2 + y2 +4x - 2y - 11 = 0.
Naddika [18.5K]

Answer:

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Which pairs of polygons are congruent?
Firdavs [7]
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Find the sum of the first 45 terms in this geometric series -.5+1.5-4.5,...
aleksandrvk [35]

Answer:

S45 = -3.6875×10^20

Step-by-step explanation:

Given the geometric series

-0.5+1.5-4.5+...

The common ratio r = +1.5/-0.5 = -4.5/1.5 = -3

Since the common ratio is less than 1

Sum of geometric series will be calculated using the formula below:

Sn = a(1-r^n)/1-r

Where n is the number of terms = 45

a is the first term of the series = -0.5

r is the common ratio = -3

Substituting this values into the formula

S45 = -0.5{1-(-3)^45}/1-(-3)

S45 = -0.5{1-(-3)^45}/4

S45 = -0.5{1-(-2.95×10²¹}/4

S45 = -0.5(1+2.95×10²¹)/4

S45 = (-0.5-1.47×10²¹)/4

S45 = -1.475×10²¹/4

S45 = -3.6875×10^20

3 0
2 years ago
Someone help me please pls pls pls ​
katrin2010 [14]

Answer:

There is 9 on each pace and 3 on a row

Step-by-step explanation:

54/6=9

if there is 9 on each side and the same on each side, then it has to be 3 in each row and column. Also, this is a Rubix cube

Please give me brainliest, it really helps! :)

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3 years ago
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