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Vilka [71]
4 years ago
14

Use substitution to solve the system of linear equations. In your final answer, include all of your work.

Mathematics
1 answer:
alina1380 [7]4 years ago
3 0
-3x=-9+4=-13
X+1/3 of 13 (y) =4/3
1/3 of 13 is 4.3 or 4/3
So x=0
So y=-3x+4= -3x=-9+4 & 9+4=-13
X is 0 and y is 4/3
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The measure of one angle is 38° less than the measure of its supplement. Find the measure of each angle
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Just take what you are given in a problem and try to determine what will make the final agel add up to 180 degrees
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4 years ago
Represent √10 , √17 and √13 in a number line.​
Contact [7]

Answer:

  -------------------------------------------------------------

  I                               I                                     I

√10                          √13                                √17

Step-by-step explanation:

√10 is the smallest value, √13 is the middle value, and √17 is the largest value.

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3 years ago
Average rate of change of g(x)2^2-9 on [4,b] <br> Please answer ASAP
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3 years ago
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grigory [225]
<h3>Answer:  Approximately 191 bees</h3>

================================================

Work Shown:

One way to express exponential form is to use

y = a*b^x

where 'a' is the initial value and 'b' is linked to the growth rate.

Since we're told 34 bees are there initially, we know a = 34.

Then after 4 days, we have 48 bees. So we can say,

y = a*b^x

y = 34*b^x

48 = 34*b^4

48/34 = b^4

24/17 = b^4

b^4 = 24/17

b = (24/17)^(1/4)

b = 1.090035

Which is approximate.

The function updates to

y = a*b^x

y = 34*(1.090035)^x

------------------------

As a way to check to see if we have the right function, plug in x = 0 and we find:

y = 34*(1.090035)^x

y = 34*(1.090035)^0

y = 34*(1)

y = 34

So there are 34 bees on day 0, ie the starting day.

Plug in x = 4

y = 34*(1.090035)^x

y = 34*(1.090035)^4

y = 34*1.4117629

y = 47.9999386

Due to rounding error we don't land on 48 exactly, but we can round to this value.

We see that after 4 days, there are 48 bees.

So we confirmed the correct exponential function.

------------------------

At this point we can find out how many bees there are expected to be after 20 days.

Plug in x = 20 to get

y = 34*(1.090035)^x

y = 34*(1.090035)^20

y = 190.672374978452

Round to the nearest whole number to get 191.

There are expected to be roughly 191 bees on day 20.

4 0
3 years ago
Line q passes through points (9, 9) and (1, 2). Line r is perpendicular to q. What is the slope of line r?
Alik [6]

Answer:

y=mx+b

Step-by-step explanation:

6 0
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