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atroni [7]
3 years ago
12

Expand and simplify 7(d + 2) - 3 (1- 4d)

Mathematics
2 answers:
zimovet [89]3 years ago
7 0

Answer:

19d + 11

Step-by-step explanation:

7(d + 2) - 3(1 - 4d)

= 7d + 14 - 3 + 12d

= 19d + 11

cricket20 [7]3 years ago
4 0

Answer:

19d + 11

Step-by-step explanation:

7(d + 2) - 3 (1- 4d)

Expand the brackets.

7d + 14 - 3 + 12d

Add or subtract like terms.

7d + 12d + 14 - 3

19d + 11

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What expression is equivalent to -x + 5 - 13 + 12x
zvonat [6]

Answer:

11x - 8

Step-by-step explanation:

If you have x- + 5 - 13 + 12x, all we are doing is combining like terms. First, 5 - 13 = -8. Then, -x + 12x is the same as doing 12x - x. That gives us 11x. The answer would be 11x - 8 when you put -8 and 11x together in the expression.

6 0
3 years ago
Write this number in a scientific notation 36,300,000
ZanzabumX [31]

Answer:

Step-by-step explanation:

Move the decimal place over 7 places to the left which means adding to the exponent.

3.63 x 10^7

8 0
3 years ago
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Which reason supports the true statement that angle1 and angle8 are supplementary?
elena-s [515]
Angles 1 and 8 are created by line t intersecting with line m.


Line t is called a transversal line, because it intersects 2 parallel lines.

t divides the straight angle formed by m alone, forming the linear pair of angles (1) and (8), whose sum is 180 °, that is they are supplementary.


Answer: (1) and (8) are linear pairs
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3 years ago
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goblinko [34]

Answer:

I think its A or D

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4 0
3 years ago
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Find the area of the figure below.
Fudgin [204]

Answer:

Area = 42 in^2

Step-by-step explanation:

here's your solution

=> divide above picture in two parts

=> rectangle and traingle

=> area of rectangle = length* width

=> area of rectangle = (5*6)in.

=> area of rectangle = 30 in^2

=> now, area of traingle = 1/2*base *height

=> area of traingle = 1/2*4*6

=> area of traingle = 12 in^2

=> area of figure = 30 in^2 + 12 in^2

=> Area = 42 in^2

hope it helps

3 0
3 years ago
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