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sp2606 [1]
3 years ago
6

HELP ME PLEASE AWARDING 30 POINTSSSSS

Mathematics
1 answer:
KengaRu [80]3 years ago
6 0

Answer:

Step-by-step explanation:

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Im honestly so confused about this PLEASE help me just give me the right answers plz plz
GREYUIT [131]

Answer:

Step-by-step explanation:

1. is 0.125x – 3.375

2.  0.6x – 5

3. 0.89x-5

Just use a slope calculator and desmos to see if your answer is right. Also a rounding calculator if the answer for one is too long, example: the third one said 0.88888888888889 for the first number so i rounded that to 0.89 to make sure it doesnt look like a computer did it

4 0
2 years ago
A geologist in South America discovers a bird skeleton that contains 80% of its original amount of C-14. N0= initial amont of C-
kap26 [50]

A geologist in South America discovers a bird skeleton that contains 80% of its original amount of C-14

We use formula N = N_oe^{-kt}

N0= initial amont of C-14 (at time t=0)

N= amount of C-14 at time t

t= time, in years

k= 0.0001

N is 80% of N0 that is N= 0.80N_o

N = N_oe^{-kt}

0.80N_o = N_oe^{-kt}

Divide both sides by N_o

0.8=e^{-0.0001 t}

Take ln on both sides

ln(0.8)=lne^{-0.0001 t}

ln(0.8) = -0.0001t ln(e)

ln(0.8) = -0.0001t

Divide both sides by -0.001

t = 2231.435513

The age of the bird skeleton is 2231 years old




5 0
3 years ago
If P = (-1,-1), find the image
yawa3891 [41]
<h3>Answer:     (-1, 1)</h3>

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

Explanation:

The rotation rule we use is (x,y) \to (y, -x)

The x and y coordinates step places, then the second coordinate (after the swap) changes in sign from positive to negative, or vice versa.

For example, the point (5,7) rotates to (7, -5). As another example, (2,-1) becomes (-1, -2). As another example, (-9,4) becomes (4,9).

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

In our case, the point (-1,-1) will rotate to (-1, 1)

Note: A 270 degree counterclockwise rotation about the origin is the same as a 90 degree clockwise rotation about the origin. Refer to the diagram below.

6 0
3 years ago
BRAINLIEST ANSWER TO FIRST ANSWERER
Georgia [21]

C. <2 is the correct answer

5 0
3 years ago
Help help math please help help help help
klio [65]

Answer:

Answered is x= 55x

Step-by-step explanation:

13x+10 * 12x+20

soln:

or, 13x+12x+10+20

or, 25x+30

:., therefore, x=55x

8 0
2 years ago
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