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never [62]
3 years ago
15

Parker was giving this problem on his homework: 6x*2 - 4y + 2x + 4x*2 + 8y. Here is the work he show to simplify the expression

by combining like terms. Where did Parker make his mistake.

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0
In the fourth step, he didn’t put the “negative” sign for 4.
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There were 800 farmers' markets initially in the USA in 2012. In 2013, the number of farmers' markets was 1.25 times the initial
zavuch27 [327]
For this case we have a function of the form:
 y = A * (b) ^ x

 Where,
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 b: is the growth rate
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See attached image.

8 0
3 years ago
Read 2 more answers
A young boy has 40 total pets. He has two different types of pets. He has cats and penguins. The total number of the heads of hi
Nina [5.8K]

Answer:

He has 30 penguins and 10 cats.

Step-by-step explanation:

Let's define the variables:

C =  number of cats.

P = number of penguins.

We know that he has a total of 40 pets, then:

C + P = 40

We also know that the total heads (40 heads, each animal has one) plus the number of wings (P*2, each penguin has 2) is equal to the number of feet of his pets (4*C + 2*P, because each cat has 4 paws, and each penguin has 2)

Then we have the equation:

40 + 2*P = 4*C + 2*P

Notice that in the second equation we have the term 2*P in both sides of the equation, then we can just subtract 2*P in both sides to get:

(40 + 2*P) - 2*P = 4*C + 2*P - 2*P

40 = 4*C

Now with this, we can find the value of C.

40/4 = C = 10

Then he has 10 cats.

Now we can replace this in the equation:

P + C = 40

to find the value of P

P + 10 = 40

P = 40 - 10 = 30

P = 30

He has 30 penguins.

3 0
3 years ago
Original price is $16.45, markdown is 33%. The sales price is (only use numbers): $
brilliants [131]

Answer:

$11.02

Step-by-step explanation:

3 0
2 years ago
How do combine like terms 3x plus 3y minus 5x minus y?
miskamm [114]

3x+3y-5x-y

(3x-5x) +(3y-y)

(3-5)x + (3-1)y

-2x+2y

4 0
3 years ago
Determine the explicit equation for the arithmetic sequence that has a first term of -8 and a common difference of 3.put equatio
ss7ja [257]

Answer:

look this up on mathowl on the app store and there is ur answer

6 0
2 years ago
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