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Cerrena [4.2K]
3 years ago
7

What expression is equivalent to 3(x + 4)

Mathematics
1 answer:
alina1380 [7]3 years ago
4 0

Answer:

3x+12

Step-by-step explanation:

You might be interested in
Help please. Having some trouble with this question
xeze [42]

Answer:

The answer to your question is 55 ft

Step-by-step explanation:

Data

Person's height = 5 ft

Person's shadow = 10 ft

Tree's height = ?

Tree's shadow = 110 ft

- Use the Thales' theorem to solve this problem

 Person's height / Person's shadow = Tree's height / Tree's shadow

- Substitution

                     5 / 10 = x / 110

-Solve for x

                     x = 5 (110) / 10

-Simplification

                     x = 550 / 10

-Result

                     x = 55 ft

-Conclusion

The tree is 55 ft height

5 0
3 years ago
Simplify 2y-6x+5+4y<br> What is the answer?
Misha Larkins [42]

Answer:

Answer = −6x+6y+5

3 0
3 years ago
Why does the fraction 20/25 not belong with 1/20, 2/3 and 5/4?
devlian [24]
I’m not 100% sure but I think it’s because 20/25 can still be simplified further, while the other 3 can’t.
7 0
3 years ago
5. Find the solutions of x^2 – X-30 = 0.<br><br> please show work on how to do it
erica [24]

Answer:

x=6, x= -5

Step-by-step explanation:

Factor the equation

x^2 - x - 30 = 0 ----> (x-6)(x+5)=0

Next find the solution by setting those in the paranthesis equal to zero.

x-6=0 ----> x= 6

x+5=0 ----> x= -5

8 0
3 years ago
Read 2 more answers
Ten less than the cube of a number
Virty [35]

ten less than the cube of a number n:

n^3-10

4 0
3 years ago
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