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Mariana [72]
3 years ago
7

If f(x) = 3x + 7, which of these is the inverse of f(x)?

Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0

Answer:

f-1(x)=x-7/3

Step-by-step explanation:

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Marco was shopping for markers and lead pencils. The cost of markers is $4, and the cost of each lead pencil is $3. If Macro can
never [62]

This shows that Marco can buy at most 5 pencils

<h3>Inequalities</h3>
  • Let the price of each pencil Marco can  buy be "x"

If the cost of markers is $4, and the cost of each lead pencil is $3 with at most $15 spent, hence;

  • 4 + 3x ≤ 15

Subtract 4 from both sides

3x  ≤ 15

x ≤ 15/3

x ≤ 5

This shows that Marco can buy at most 5 pencils

Learn more on inequalities here:

brainly.com/question/24372553

8 0
2 years ago
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Rita earns $16.00 per hour. If she gets a 6% raise, what will be her new hourly wage?
miskamm [114]
16.00 * 6% would be 00.96
her new wage would be $16.96
5 0
3 years ago
Answer with steps thnx
expeople1 [14]

Answer:

The area is 432cm squared.

Step-by-step explanation:

To find the area, first you split the figure into 2 rectangles.

The rectangle facing up would be 8cm by 30cm, and the rectangle pointing to the left would be 8cm by 24cm (because you subtract 8 by 32). Next, with those numbers, you can easily find the area. 8cm x 30cm equals to 240cm squared, and 8cm x 24cm equals to 192cm squared. Lastly, you add the both of the areas together, 240cm and 192cm, and you get 432cm squared.

6 0
4 years ago
May someone help me with this, it's fairly easy.
Likurg_2 [28]

Answer:

A and B are correct

Step-by-step explanation:

Student C is wrong because they broke up 3/4 into

2/2 + 1/2  

but 2/2 + 1/2 = 3/2, which is not equal to 3/4

7 0
3 years ago
In a zoo there are 21 Lions.<br> 1/3<br> of them are male. How many females are in the zoo?
Jet001 [13]
Answer: 14 female
Explanation:
21/3= 7 male
21-7=14 female
hope it helps!
5 0
3 years ago
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