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True [87]
3 years ago
9

Bella pays 8 payments of $5 each to a game store. she returns one game and receivs $20 back. what is the change to the amount of

money she has?the expression is: ___ x ___ + ____she now has _____ (less)(more) dollars.
Mathematics
2 answers:
s2008m [1.1K]3 years ago
5 0
She now has 20 less dollars
masha68 [24]3 years ago
5 0

Answer: me to i want to know

Step-by-step explanation:

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abruzzese [7]

<em>answer \\ (3x - 5)(2x + 2) \\ solution \\  {6x}^{2}  - 4x - 10 \\  =  {6x}^{2}  - (10 - 6)x - 10 \\  =  {6x}^{2}  - 10x + 6x - 10 \\  = 2x(3x - 5) + 2(3x - 5) \\  = (3x - 5)(2x + 2) \\ hope \: it \: helps</em>

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3 years ago
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Consider this quadratic equation. 2x2 − 1 = 3x + 4 Which equation correctly applies the quadratic formula?
Mariulka [41]

Answer:

\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)}

Step-by-step explanation:

Quadratic formula: \frac{-b+-\sqrt{b^2-4ac} }{2a}

2x^2-1=3x+4\\\\2x^2-3x-5=0\\\\\\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)} \\\frac{3+-\sqrt{9+40} }{4}

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6 0
2 years ago
Set 1: 21, 24, 36, 38, 40, 42, 44, 63, 85
Aleksandr-060686 [28]

Answer:

set 1 : 23.5

set 2 : 54

Step-by-step explanation:

lower quartile - upper quartile = answer

8 0
3 years ago
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1. What number is 25% of 20?
algol13

Answer:5

Step-by-step explanation:

20 divided by 4 equals 5

7 0
3 years ago
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in a box of chocolates, 1/5 of the chocolates contain nuts. the rest of the chocolates do not contain nuts. write down the ratio
valina [46]

Answer:

The ratio of the number of chocolates that contain nuts to the number of chocolates = 1:4

Step-by-step explanation:

The parameters given are;

Proportion of the box of chocolates that contain nuts = 1/5

Proportion of the box of chocolates that do not contain nuts = 1 - 1/5 = 4/5

Therefore, we have in a box of chocolates with five chocolates;

The number of chocolates that contain nuts = 1

The number of chocolates that do not contain nuts = 4

Which gives the ratio of the number of chocolates that contain nuts to the number of chocolates as 1:4.

4 0
3 years ago
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