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HACTEHA [7]
3 years ago
11

Which expression is equivalent to (18x + 9k) + (2x + 6k)?

Mathematics
2 answers:
Alika [10]2 years ago
7 0

Answer:

20x + 15K

Step-by-step explanation:

just add like variables (x and Y)

Verizon [17]2 years ago
4 0

20x + 15k is the answer we just have to remove the bracket and add the terms

hope it helps

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David made a class banner out of a large rectangular piece of paper. He cut a
Irina18 [472]

Answer:

100 in²

Step-by-step explanation:

The area of the banner is equal to the area of the initial rectangle minus the area of the cutout triangle.

The rectangle has a height of 8 inches and width of 14 inches, so its area is:

A = (8 in) (14 in) = 112 in²

The triangle has a base of 8 inches and a height of 3 inches, so its area is:

A = ½ (8 in) (3 in) = 12 in²

So the area of the banner is 112 in² − 12 in² = 100 in².

6 0
3 years ago
Which points are reflections of each other across both axes?
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Answer:

d

425y.251 \\ jjlhjs \\ tjm{j{kg{mhjgjhghh

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2 years ago
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Serjik [45]
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4 0
3 years ago
If you borrow $675 for 6 years at an interest rate of 10% how much interest will you pay
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8 0
2 years ago
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= 118
oee [108]

Answer:

number of $20 bill = 4

Number of $5 bill = 5

Step-by-step explanation:

Given that:

Total number of $5 and $20 bills = 9

Let :

Number of $5 bills = x

Number of $20 bills = y

Combined worth of all bills = $105

x + y = 9 - - - (1)

5x + 20y = 105 - - - (2)

From (1)

x = 9 - y

Substitute x = 9 - y into (2)

5(9 - y) + 20y = 105

45 - 5y + 20y = 105

15y = 105 - 45

15y = 60

y = 60/15

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x = 9 - 4 = 5

Hence,

number of $20 bill = 4

Number of $5 bill = 5

6 0
3 years ago
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