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madreJ [45]
2 years ago
14

If x=14, what is the value of 3(x + 5)?

Mathematics
1 answer:
gladu [14]2 years ago
5 0

Answer:

57

Step-by-step explanation:

parentheses first then multiply by 3

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I need help can somebody please help me
GuDViN [60]

Answer:

its 75

Step-by-step explanation:

4 0
2 years ago
−6 <3n+9 <21. whats the solution
tester [92]

We have

-6 < 3n+9 < 21.

From this we have system of inequality

-6 < 3n+9 \\3n+9 < 21

We have to simplify both inequalities

3n+9 > -6 \Longrightarrow n > -5 \\3n+9 < 21 \Longrightarrow n < 4

So we can conclude that

n > -5 \wedge n < 4 \Longrightarrow x\in(-5,4)

Hope this helps.

5 0
3 years ago
Lourdes has 3times as much money than ella. Together they have $32 . How much money does Lourdes have ?
Mariana [72]

Answer:

Lourdes has $24.

Step-by-step explanation:

The appropriate equation would be L + (L/3) = $32, or 3L + L = $96.

Solving for L:  4L = $96, and L = $24.  This is 3x what Ella has, so Ella has $8.

Check:  Do $8 and $24 add up to $32?  YES


3 0
3 years ago
jasmine buys 21 cans of dog food. She gives 1/3 of the cans to her neighbor and she keeps the rest of the cans for her puppy. Ja
Llana [10]
21 cans of dog food.

She gives 21/3, or 7 cans to her neighbor.

She now has 21 - 7, or 14 cans for her puppy.

Her puppy eats 4/7 cans a day.

14 \times \frac{4}{7} =2\times 4= \boxed{\bf{8}}

Jasmine has 8 days supply of dog food for her puppy.
4 0
3 years ago
PLEASE HELP!!!! 69 points my guy!!!
Oduvanchick [21]

Answer:

  • D. f(q) = 2q + 3

Step-by-step explanation:

<u>Given equation:</u>

  • 6q = 3s - 9

<u>q is independent variable, we need to solve it for s:</u>

  • 6q = 3s - 9
  • 3s = 6q + 9
  • s = 2q + 3

<u>Correct choice is </u>

  • D. f(q) = 2q + 3
8 0
3 years ago
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