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dsp73
3 years ago
13

I NEED HELP FAST!!!!!!!!!! ⦁ Solve the equation. Describe the solution to the equation as one solution, no solution, or an infin

ite number of solutions. If there is one solution, then include the value for the variable. Explain your reasoning. Show all your work.
1/8(x+24)=5/8x+9-1/2x
Mathematics
2 answers:
g100num [7]3 years ago
7 0
\frac{1}{8} (x + 24) =  \frac{5}{8} x + 9 -  \frac{1}{2} x \\ \\  \frac{x + 24}{8} =  \frac{5}{8} x + 9 -  \frac{1}{2} x \ / \ simplify \\ \\  \frac{x + 24}{8} =  \frac{5x}{8} + 9 - \frac{1}{2} x \ / \ simplify \\ \\  \frac{x+ 24}{8} =  \frac{5x}{8} + 9 -  \frac{x}{2} \ / \ simplify \\ \\  \frac{x + 24}{8} =  \frac{x}{8} + 9 \ / \ simplify \\ \\ x + 24 = x + 72 \ / \ multiply \ each \ side \ by \ 8 \\ \\ 24 = 72 \ / \ cancel \ x \\ \\ no \ solution \\ \\

The final result is: no solution.
kenny6666 [7]3 years ago
3 0
1/8(x+24)=5/8x+9-1/2x
1/8x + 3 = 5/8x - 4/8x + 9
1/8x + 3 = 1/8x + 9
3 ≠ 9

This equation has 0 solutions, or NO solution. 
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You can represent an odd integer whith the expression 2n+1, where n is any integer . Write and solve an equation to find three c
oksian1 [2.3K]
Any odd number can be expressed by 2n+1.

For example,  

2n+1=111
2n=110
n=110/2=55

means that 111 is 2n+1 for n=55


Thus if an odd number is 2a+1, the next few numbers are as follows:

2a+1, 2a+2, 2a+3, 2a+4, 2a+5

So 2a+1, 2a+3 and 2a+5 are 3 consecutive odd numbers.


Back to our problem: 

three consecutive odd numbers whose sum is 63 are:

(2n+1)+(2n+3)+(2n+5)=63

6n+9=63

6n=63-9=54

n=54/6=9


2n+1=2*9+1=18+1=19, the 2 next odd numbers are 21 and 23


Answer: 19, 21, 23



5 0
3 years ago
Can someone just please explain why in PEMDAS for example: 6 + 9 ÷ 3 × 7. Why do you do the division (9/3) before the multiplica
Grace [21]
Because is division is before multiplication you have to do division even though the m is before d.
7 0
3 years ago
On a map, 9 cm represents 15 miles. If the distance between two cities on the map is 15 cm, how many miles separate the cities?
torisob [31]

Answer:

15 cm on the map is equal to 25 miles.

Step-by-step explanation:

Given that,

On a map, 9 cm represents 15 miles.

The distance between two cities is 15 cm. We need to find the distance in miles.

9 cm = 15 miles

1\ cm=\dfrac{15}{9}\ \miles

So, 15 cm is equal to,

15\ cm=\dfrac{15}{9}\times 15\ miles\\\\=25\ miles

So, 15 cm on the map is equal to 25 miles.

4 0
3 years ago
If A: B = 5:7 and B: C = 3: 5, then A :B: C is: ​
mel-nik [20]

Answer:

15:21:35

Step-by-step explanation:

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so

multiple a:b by 3 and b:c by 7

15:21 21:35

then you can put the bs together

15:21:35

that is your answer

6 0
2 years ago
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Whats the area of a square 4 by 4
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Answer:

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8 0
3 years ago
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