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dangina [55]
2 years ago
11

Look at pic I need help!!!! :(

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
7 0

Answer: x=12

Step-by-step explanation:

5x-15=2x+21(AIA)

3x-15=21

3x=36

x=12

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Solve the multiple choice for number 6
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Answer:

I'm pretty sure it is A

Step-by-step explanation:

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How would you graph the solution set of x/1 ≤ -18?
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Get a graphing calculator

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Lincoln has p pennies and n nickles .he has at least $0 worth of coins altogether.write this situation as a inequality
skelet666 [1.2K]

Answer:

p+n=0

Step-by-step explanation:

Given that Lincoln has p pennies and n nickles and that his total worth is $0,

we can express his total using the inequality:

p+n=0

Where the sum of n and p is his total

Hence, Lincoln's situation is expressed as p+n=0

8 0
2 years ago
I’m not sure if i am correct with my answer. Can Someone help or confirm which answer it is or if i’m correct or not? :)
Alex
Hi! i think it’s the last one (270 degrees counterclockwise and 1 unit to the right)

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8 0
2 years ago
Fertilizer is sold in 100 pound bags labelled with the amount of nitrogen ( N), phosphoric acid ( P2O5), and potash ( K2O) prese
Grace [21]

Answer:

For Vigoro are needed

2929*35.8479 ≅ 104,988.49 (N)

33*3.4351≅113.35 (A)

44*31.2181≅1373.59 (P)

For Parkera are needed

1818*35.8479≅65,171.48 (N)

2525*3.4351≅8673.62 (A)

66*31.2181≅2060.39 (P)

Step-by-step explanation:

we have that in every 100100 pounds of compound nitrogen (N), phosphoric acid (A) and potash (P) are present and that according to the product brand the concentrations vary, therefore:

For Vigoro

2929 N, 33 A, 44 P

For Parkeras

1818 N, 2525 A, 66 P

Now, we need 170170 N, 8787 A and 3434 P of final product containing the components of the types of fertilizers

You can see that the compounds are the same what changes are the proportions from there that

2929N+1818N=170170 ⇒ 4747N=170170 ⇒ N=170170/4747 ≅ 35.8479

33A+2525A=8787 ⇒ 2558A=8787 ⇒ A=8787/2558  ≅ 3.4351

44P+66P = 3434 ⇒ 110P=3434 ⇒ P=3434/110 ≅ 31.2181

Finally

For Vigoro are needed

2929*35.8479 ≅ 104,988.49 (N)

33*3.4351≅113.35 (A)

44*31.2181≅1373.59 (P)

For Parkera are needed

1818*35.8479≅65,171.48 (N)

2525*3.4351≅8673.62 (A)

66*31.2181≅2060.39 (P)

Note: to verify the data, just replace the values ​​in the equations

6 0
3 years ago
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