MATHEMATICS HIGH SCHOOL

Find the slope between (1,16) and (9,9). Substitute in the following numbers that are missing. Rise (? - 6) Run (9 - ?)

Answers

Answer 1
Answer:

slope between (1,16) and (9,9) is -8/7.

Missing numbers are -7 and 8.

How will you find the slope between two points?

The slope between the two points (x1,y1) and (y1,y2) is given by

m = y2-y1/x2-x1

Given points (x1,y1)=(1,16) and (9,9)

Slope m=9-1/9-16

=8/-7

Hence the slope of given two points is -8/7

Missing numbers are -7 and 8

Learn more about slope here:

brainly.com/question/27747743

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Answer 2
Answer:

Answer:

-7,8

9-16=-7

9-1=8

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5What is shape of base?Name the shape:

Find the total area the regular pyramid.

Answers

Answer:

4+4√(10) \n72+24√(3) \n144+36√(3) \n16√(3)\n 18√(91) +54√(3) \n

Step-by-step explanation:

The above answers are for total area. They belong to the lesson called Solid's: Pyramids. They are in order so find each T.A question and input the answer accordingly.  
To find total are of a regular pyramid, we add 4 times the area of one side and the area of base.

The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. Approximately how many spheres the size of Pluto does it take to have the same volume as Earth?

Answers

so find the volume of them
volume of sphere=4/3pi times r^3
volume of earuth
4/3 times pi times 6371^3=aprox 1.08 times 10^12 (really big number so scientific notation)


volume of pluto
4/3 times pi times 1161^3=6.56 times 10^9

so pluto times x=earht
divide both sdies by pluto
x=earth/pluto
solve for x
earth=1.08 times 10^12
pluto=6.56 times 10^9
(1.08 times 10^12)/(6.56 times 10^9)=(1.08/6.56) times (10^12)/(10^9)
when dividing exponents, just subtract
12-9=3
so
1.08/6.56 times 10^3
0.164634 times 10^3
164.634
aprox 165 plutos will fit in earth

Answer:

165

Step-by-step explanation:

I just took a test on Plato/Edmentum with this question and this was the right answer

~Please mark me as brainliest :)

What is 12-3x=-6x
Show the work please

Answers

Answer:

x=-3

Step-by-step explanation:

12-3x=-6x

12=-3x-6x

12= -9x

----------

-9. -9

12/9= -3
X=-4
How I did it :
12 - 3x = -6x
Add 3 x to both sides:
12 = -3x
Then divide both sides by -3:
-4 = x
And just switch it around

M = 2; (r,3) and (5,9)

Answers

Answer: r= 2 i think

Step-by-step explanation: sorry if I'm wrong

(a-6b)(a+6b) pls answer

Answers

(a-6b)(a+6b)=a^2-36b^2\n\n (a-b)(a+b)=a^2-b^2

Suppose the population of trout in a certain stretch of a river is 4000. In about how many years will the population of trout be 700 if the decay rate is 35%? Use the equation 700 = (4000)(0.65)x and round the value of x to the nearest year.

Answers

Answer: 4 years

Step-by-step explanation:

The exponential decay equation is given by :_

y=A(1-r)^x, where A is the initial population and r is the rate of decay in x years .

The initial population of trout in a certain stretch of a river =4000

The rate of decay = 35% =0.35

To find the number of years (x) for the population of trout be 700, we put all the values of the above equation, we get

700=4000(1-0.35)^x\n\n\Rightarrow700=4000(0.65)^x\n\n\Rightarrow (0.65)^x=(700)/(4000)\n\n\Rightarrow(0.65)^x=0.175\n\n\text{Taking log on both sides, we get}\n\n\Rightarrow x\log(0.65)=\log(0.175)\n\n\Rightarrow x(-0.187086643357)=-0.756961951314\n\n\Rightarrow x=(-0.756961951314)/(-0.187086643357)\n\n\Rightarrow\ x=4.0460502029\approx4\text{ years}
4.97991230017 years is the final answer. I would suggest rounding your answer to the nearest tenth, so 5 years should be your correct answer.
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