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Nookie1986 [14]
2 years ago
8

Find the single number that will make these two expressions equivalent.

Mathematics
1 answer:
Triss [41]2 years ago
7 0

Answer:

Which two expressions?

Step-by-step explanation:

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A student did 3 5 of his homework and another 8 problems. then his father came and did one fifth of his homework and the remaini
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<span>Let’s assume the number of problems as P Student did his homework = (3/5) P + 8 Father did the homework = (1/5) P + 7 So the sum of the both equations is equal to P => (3/5) P + 8 + (1/5) P + 7 = P => (4/5) P + 15 = P => 4P + 75 = 5P => P = 75 Problems they solve together are 75 problems.</span>
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3 years ago
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Roberto’s employer offers a sliding paid vacation. When he started work, he was given three paid days of vacation. For each six
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<span>y=2x+3 (Total vacation time equals 2 days times x plus the 3 days he was given at the start. Each year has 2 six-month periods. After 4.4 years Roberto will have worked 8.8 six-month periods. He will have been given vacation days for each of the 8 whole working periods he has completed. x=8 y=2*8+3 y=19</span>
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3 years ago
Help me! <br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B3%7D%2B10%3D%5Cfrac%7B3x-8%7D%7B2%7D" id="TexFormula1" title="\
mars1129 [50]

Answer:

\frac{x}{3}  + 10 =  \frac{3x - 8}{2}  \\  \\  \frac{3x - 8}{2}  -  \frac{x}{3}  = 10 \\  \\ taking \: lcm \\  \\  \frac{9x - 24 - 2x}{6}  = 10 \\  \\ 9x - 24  - 2x = 60 \\  \\ 7x = 60 + 24 \\  \\ 7x = 84 \\  \\ x =  \cancel\frac{84}{7}  \\  \\\fbox{ x = 12}

hope helpful ~

8 0
2 years ago
Read 2 more answers
Anyone know how to do these?
erastovalidia [21]

Answer:

B. 1/m¹⁸

Step-by-step explanation:

To simplify the equation, we start with the values inside the brackets.

Therefore  m⁻¹m⁵ results to m⁴.

This is because the sign between the m⁻¹ and m⁵ is multiplication, and when multiplying figures that have a similar base, we add the indices.

that is, -1+5=4

then we divide m⁴ by m⁻², that is, m⁴/m⁻²=m⁶

To divide figures that have the same base we subtract the powers.

That is, 4-(-2)=6

the resulting expression from inside the brackets will be (m⁶)³ which results to m⁻¹⁸ which is the same as 1/m¹⁸

3 0
3 years ago
Read 2 more answers
Help please, this is my last question I am asking you guys, I promise &lt;3
butalik [34]

Answer:

Part A: 1.25g + 14.25 <u><</u> 55.00

Part B: 32 games

Step-by-step explanation:

A:

price per game * games played (1.25g) + money he's already spent (14.25)

must be less than or equal to his total budget (55.00)

equation: 1.25g + 14.25 <u><</u> 55.00

B:

total (55.00) - already spent (14.25) = what he can spend on games (40.75)

55.00 - 14.25 = 40.75

arcade budget (40.75) / cost per game (1.25) = 32.6

because you can't play 0.6 games, 32 games

5 0
3 years ago
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