2 years ago

Plz help me with these word problem

Mathematics

1 answer:

denis-greek [22]2 years ago

8 0

She has -80 because 4 withdrawalsof 50 is 200 subtract the that from 120 its -80

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Diane has 12 coins that total $1.60. If the coins are all nickels and

Dmitry_Shevchenko [17]

Answer:

she has 4 quarters because 4 quarters equals $1 and she has 12 nickles because 12 × 5 =60

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2 years ago

The given line passes through the points (0, ) and (2, 3). On a coordinate plane, a line goes through (0, negative 3) and (2, 3)

Kipish [7]

Answer:

$y=\frac{x}{5}+\frac{12}{5}$

Step-by-step explanation:

1) The Point-slope form equation is given in this form:

$(x-x_{0})=m(y-y_{0})$

2)Looking at the given graph, we can pick two points: (-5,-4) and (0,-3)

3) Before using the Point-slope form We have to find out the slope:

$m=\frac{-4-(-3)}{0-(-5)} \Rightarrow m=\frac{-4+3}{0+5} \Rightarrow m=\frac{-1}{5}$

4)Parallel lines share the same slope. The one that passes through (-2,2) is found by calculating its linear parameter "b":

$y=\frac{x}{5}+b\Rightarrow 2=\frac{-2}{5}+b\\5*10=(-2+b)*5\Rightarrow 5b=12 \Rightarrow \frac{5b}{5} =\frac{12}{5} \Rightarrow b=\frac{12}{5}$

Then, the answer is:

$y=\frac{x}{5}+\frac{12}{5}$

5 0

2 years ago

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The following data values represent a population. What is the variance of the values? 7, 5, 11, 1, 11

MaRussiya [10]

The mean is 35/5=7

The variance is the average of the sum of squared differences of each element from the mean:

v=((7-7)^2+(5-7)^2+(11-7)^2+(1-7)^2+(11-7)^2)/5

v=(0+4+16+36+16)/5

v=14.4

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Write the equation of each graph after the indicated transformations. The graph of y = √x is reflected in the x-axis, stretched

Zarrin [17]

Answer:

can you mark me of a brainliest please answers to you is C

7 0

2 years ago

Please help ASAP I don’t get it

vampirchik [111]

Answer:

Step-by-step explanation:

Its number one becuase when u multiply 1x1 you get one.

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2 years ago