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Lapatulllka [165]
2 years ago
12

Help me on this please

Mathematics
1 answer:
m_a_m_a [10]2 years ago
7 0

Answer 1: y = 35x + 50

Answer 2: will

Answer 3: $10

Step-by-step explanation:

Equation: y = 35x + 50

Registration fee is one time, so you just add to it.

You have to pay each time you go to a session, so x will be the amount of sessions, 35 will be the price of each session.

You can plug in the 8 to the equation, then solve for y:

y = 35(8) + 50\\y = 280 + 50\\y = 330

They will be able to pay for it because: 330 < 340

They will have $10 left because:

340 - 330 = 10

340 is how much on the card and 330 is how much the 8 lessons (in total) cost.

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Step-by-step explanation:

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Mary has twice as many pencils as she has pens. Tom borrows a pen. Now, Mary has ten less pens than pencils. How many pencils do
I am Lyosha [343]
X - the number of pencils
y - the number of pens

She has twice as many pencils as she has pens.
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3 years ago
is (-1/2 x + 6/7) - (7/2 x - 4/7) equivalent to -4 x + 2/7 ? use the properties of operations to justify your answer
LuckyWell [14K]

Answer:

The given equation is NOT justified.

Step-by-step explanation:

Here, the given equation is (\frac{-1}{2}x + \frac{6}{7} )  -  (\frac{7}{2}x - \frac{4}{7} )   = -4x + \frac{2}{7}

Now, here Consider the left hand side and simplifying the left side by operating on the like terms,

⇒(\frac{-1}{2}x + \frac{6}{7} )  -  (\frac{7}{2}x - \frac{4}{7} )   = \frac{-1}{2}x + \frac{6}{7}   -  \frac{7}{2}x + \frac{4}{7}  =  (\frac{-1}{2}x -\frac{7}{2}x) + (\frac{6}{7}   + \frac{4}{7})

=(\frac{-1 - 7}{2}x ) + (\frac{6 + 4}{7} ) = \frac{-8x}{2} + \frac{10}{7}   \neq -4x + \frac{2}{7}

Here, Left side of equation  ≠ Right side of the equation

Hence, (\frac{-1}{2}x + \frac{6}{7} )  -  (\frac{7}{2}x - \frac{4}{7} )   ≠ -4x + \frac{2}{7}

4 0
3 years ago
Help me pleaseee ❤️❤️
oksian1 [2.3K]
The answer should be 315.95
3 0
3 years ago
Read 2 more answers
30 POINTS PLEASE help
aksik [14]

Answer:

m= -1/7

b=2

Step-by-step explanation:

5 0
3 years ago
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