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Sindrei [870]
3 years ago
12

Solve the following equation. Round to the nearest tenth. 8x -1 = -9 + 2x

Mathematics
2 answers:
motikmotik3 years ago
6 0

Answer:

8x-2x=1-9

6x=-8

x= -4/3

grigory [225]3 years ago
4 0

Answer:

.75

Step-by-step explanation:

8x-1=-9+2x

6x-1=-9

6x=-8

x=.75

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I am guessing it is the y axis ?
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A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m
Artyom0805 [142]

With no limiting factors to the growth of the plants, the number of  months have passed since the plants were first introduced is 23.1.

<h3>What is an exponential function?</h3>

Exponential function is the function in which the function growth or decay with the power of the independent variable. The curve of the exponential function depends on the value of its variable.

A type of plant is introduced into an ecosystem and quickly begins to take over.

A scientist counts the number of plants after m months and develops the equation to model the situation, which is given as,

p(m)=19.3(1089)^m

Most recently, the scientist counted 138 plants.

138=19.3(1089)^m\\(1089)^m=7.15

Taking log both sides of the equation,

\log(1.089)^m=\log7.15\\m\log(1.089)=\log(7.15)\\m=\dfrac{\log7.15}{\log(1.089)}\\m\approx23.1

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Learn more about the exponential function here;

brainly.com/question/15602982

5 0
2 years ago
How do I do numbers 1, 2 and 3
stiks02 [169]
What you want to do for each of those is follow the formula, y-y[1]=m(x-x[1]). When I say y[1] and x[1], I mean the x and y values given. So the first one would be y-4=-3(x-(-1)). Then you solve for y by distributing the -3 to x and +1 (+1 because two negatives make a positive), making the equation
y-4=-3x-3. Then you subtract the 4. Answer #1. y=-3x-7. 

#2. 
y-1=1(x-4)
y-1=x-4
y=x-5

#3.
y-2=2(x-(-1))
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Hope this helped you!

8 0
3 years ago
QR = 36 ; PR = 45 ; PQ = 21, Sin __?___ = 21 / 45
sammy [17]

Answer:

Sin = PQ / PR = OPPOSITE / HYPOTENUSE

Step-by-step explanation:

Please find the attached file for a clearer understanding.

SOHCAHTOA

Sin = opposite / Hypotenuse

Cos = Adjacent / Hypotenuse

Tan = opposite / Adjacent

Math is fun

7 0
3 years ago
Read 2 more answers
Im stuck on this question, Please help!
Alexxx [7]
= (x^18y^24)/(x^2y^2)

Simplified = x^16y^22

The last answer is correct (x^16y^22)
3 0
3 years ago
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