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LenKa [72]
3 years ago
6

What is twenty divided by two plus ten

Mathematics
1 answer:
BigorU [14]3 years ago
8 0

Answer:

20

Step-by-step explanation:

20/2=10

10+10=20

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If f(x)=-3+7 and g(x)=-7+3, what is the value of f(-3) - g(3)
Andreyy89
F(x) = -3 + 7 = 4
g(x) = -7 + 3 = -4

f(-3) - g(3) = 4 - (-4) = 4 + 4 = 8
6 0
3 years ago
The traffic lights at three different road crossings change after every 48 seconds, 72
AURORKA [14]

Answer:

7 : 7  : 12 am

Step-by-step explanation:

This question pretty much requires us to obtain the lowest number that is common to all three times. The qay to obtain this is by finding the LCM of all three numbers.

This is given as;

48 = 2 × 2 × 2 × 2 × 3

72 =  2 × 2 × 2 × 3 × 3

108 =   2 × 2 × 3 × 3 × 3

The LCM is = 2 × 2 × 2 × 2 × 3 × 3 × 3 = 432 seconds.

Converting to minutes by dividing by 60, the time is = 432 ÷ 60 min = 7 min 12 sec

The next time they would change simultaneously is; 7am + 7 min 12 sec = 7 : 7  : 12 am

4 0
3 years ago
What are the solutions of the equation x^4 + 95x^2 - 500= 0? Use factoring to solve
Artist 52 [7]
1) given x^4 + 95x^2 - 500

2) split in two factors with common factor term x^2: (x^2 + )(x^2 - )

3) find two numbers that add up 95 and their product is - 500:

=> 100*(-5) = - 500 and 100 - 5 = 95

=> (x^2 + 100)(x^2 - 5)

4) factor x^2 - 5 = (x + √5) (x - √5)

5) write the prime factors: (x^2 + 100) (x + √5) (x -√5)

6) find the solutions:

x^2 + 100 = 0 => not possible

x + √5 = 0 => x = - √5

x - √5 = 0 => x = √5


Answer: x = √5 and x = - √5
4 0
3 years ago
What is the result when 6 x^4 + 14 x^3 − 9 x^2 + 4 x + 1 +4x+1 is divided by 3 x 2 + x + 1
Artist 52 [7]
16.65 that is the answer i guess
7 0
4 years ago
Read 2 more answers
Solve <br> 3x2- 2x -7 = 0
Gwar [14]

Answer:

x=-2

do your box method and find what multiplies to C and adds to B

to check your answer substitute x with what x=

8 0
3 years ago
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