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ahrayia [7]
3 years ago
15

3.5x-1=-1/2(-7x+2) I know how to solve it which is

Mathematics
1 answer:
Dafna11 [192]3 years ago
3 0
3.5x - 1 = -1/2(-7x + 2)
3.5x - 1 = 7/2x - 1  By virtue of the distributive property
7/2 = 3.5, so there is no solution.  The statement is true for any value of x.

Essentially it boils down to -1 = -1, which is always true.
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I really need help pls helppp meee
zhenek [66]

Answer:

2.50t + 350 = 3t + 225

Step-by-step explanation:

Let t represent the number of tickets that each class needs to sell so that the total amount raised is the same for both classes.

One class is selling tickets for $2.50 each and has already raised $350. This means that the total amount that would be raised from selling t tickets is

2.5t + 350

The other class is selling tickets for $3.00 each and has already raised $225. This means that the total amount that would be raised from selling t tickets is

3t + 225

Therefore, for the total costs to be the same, the number of tickets would be

2.5t + 350 = 3t + 225

8 0
1 year ago
Read 2 more answers
4x+5/6 = 7/2<br> solve for x
n200080 [17]

Answer:

4x=7/2-5/6

4x=21-5/6

4x=16/6

x=8/12

x=2/3

x=0.6666.....

4 0
2 years ago
which is the rationalized form of the expression the square root of x divided by the square root of x +the square root of 7
Ilya [14]

Answer:

I assume your goal is to rationalize the denominator -

So you need to multiply the denominator by its conjugate.

So we have:

\frac{\sqrt{x} }{\sqrt{x}-\sqrt{7} } *\frac{\sqrt{x} +\sqrt{7} }{\sqrt{x} +\sqrt{7}}

->

\frac{x-\sqrt{7}\sqrt{x} }{x-7}

gg

8 0
3 years ago
Hiii please help! i’ll give brainliest if you give a correct answer tysm
vitfil [10]

Answer:2 1/2 divided by 5/8 = ?

Step-by-step explanation:

7 0
3 years ago
The slant height is used to find the volume of a square pyramid. true or false
alexandr1967 [171]
The answer is false.

For a square pyramid, the volume is calculated by 1/3*B*h. The height should touch the tip and lie perpendicular to the base. Slant height is used for surface area, not volume.
5 0
3 years ago
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