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Neko [114]
3 years ago
12

Simple math, I’m just dumb founded by this question

Mathematics
1 answer:
koban [17]3 years ago
6 0
OMG I HAD THIS EXACT HOMEWORK LAST YEAR CREEPYYYYY!!!!

A is proportional
B is not
C is proportional I think
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Estimate the sum to the nearest tenth: (-2.678) + 4.5 + (-0.68)
prisoha [69]
<span>(-2.678) + 4.5 + (-0.68)= 1.142
since .1 is in the tenth place and 42 isnt greater than 50, the answer would be 1.1. </span>
4 0
3 years ago
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Write an equation of the line that passes through (1,2) and is perpendicular to the line y= 1/3x+4
zvonat [6]

Slope-intercept form:  y = mx + b

(m is the slope, b is the y-intercept or the y value when x = 0 --> (0, y) or the point where the line crosses through the y-axis)

For lines to be perpendicular, their slopes have to be the negative reciprocal of each other. (Basically flip the sign +/- and the fraction(switch the numerator and the denominator))

For example:

Slope = 2 or \frac{2}{1}

Perpendicular line's slope = -\frac{1}{2}   (flip the sign from + to -, and flip the fraction)

Slope = -\frac{3}{4}

Perpendicular line's slope = \frac{4}{3}  (flip the sign from - to +, and flip the fraction)

y = 1/3x + 4        The slope is 1/3, so the perpendicular line's slope is -\frac{3}{1} or -3.

Now that you know the slope, substitute/plug it into the equation:

y = mx + b

y = -3x + b       To find b, plug in the point (1, 2) into the equation, then isolate/get the variable "b" by itself

2= -3(1) + b     Add 3 on both sides to get "b" by itself

2 + 3 = -3 + 3 + b

5 = b

y = -3x + 5

5 0
3 years ago
To take an Uber, it costs $4.00 plus an additional $1.50 per mile traveled.
slava [35]
You traveled 11 miles because if you did use 28.00 and $1.50 then you take that answer and then add the $4.00 and $3.00 you will get $7 so you just subtract that for the other number and you get 11 miles because it is $1.50 per mile
7 0
3 years ago
Write the expression in complete factored form.<br> 3b(p + 2) - 7(p + 2) =
pshichka [43]
If you factor (p+2) out of the equation, this leaves (3b-7), so the final answer is (p+2)(3b-7)
5 0
3 years ago
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Which of the following points is on the graph of….
bonufazy [111]

we have the equation

y=\log_{\frac{1}{2}}x

Remember that

If an ordered pair is on the graph of the given function, then the ordered pair must satisfy the given function

Verify each option

N 1

(0,1)

x=0, y=1

Is not true, because the log of zero is undefined

N 2

(1,1/2)

x=1, y=1/2

Is not true, because the log of 1 is zero

N 3

(1/2,1)

y=\operatorname{\log}_{\frac{1}{2}}\frac{1}{2}=1

Is true

therefore

<h2>The answer is (1/2,1)</h2>

8 0
1 year ago
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