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notsponge [240]
3 years ago
10

What is the answer to this question

Mathematics
2 answers:
-Dominant- [34]3 years ago
7 0

Answer:

48*

Step-by-step explanation:

all triangle angles equal 180

180-132 = 48

- Gage Millar, Algebra 2 tutor

Crank3 years ago
5 0

Answer:

102+30=132

180-132=<u>48</u>

Step-by-step explanation:

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Question 2
Masteriza [31]
1.1, 0.10299, 0.1038, 0.9 im pretty sure
6 0
3 years ago
A horizontal line , such as y=4, has a slope of what
SpyIntel [72]

Answer:

0

Step-by-step explanation:

A horizontal line has a slope of zero and a vertical line has an undefined slope

5 0
2 years ago
Solve x^2-3x=-8 PLEASE HELP ALGEBRA 2
Delvig [45]

Answer:

idk aljebra 2 either and i just got the same question how?

Step-by-step explanation:

5 0
3 years ago
Dinosaur fossils are often dated by using an element other than carbon, like potassium-40, that has a longer half life (in this
Firlakuza [10]
The amount of substance left of a radioactive element of half life, t_{\frac{1}{2}} after a time, t, is given by:

N(t)=N_0\left( \frac{1}{2} \right)^ \frac{t}{t_{  \frac{1}{2} }}

Given that <span>potassium-40 has a half life of approximately 1.25 billion years.

The number of years it will take for 0.1% of potassium-40 to remain is obtained as follows:

0.1=100\left( \frac{1}{2} \right)^ \frac{t}{1.25}} \\  \\ \Rightarrow\left( \frac{1}{2} \right)^ \frac{t}{1.25}}=0.001 \\  \\ \Rightarrow\frac{t}{1.25}\ln\left( \frac{1}{2} \right)=\ln(0.001) \\  \\ \Rightarrow \frac{t}{1.25}= \frac{\ln(0.001)}{\ln\left( \frac{1}{2} \right)} =9.966 \\  \\ t=9.966(1.25)=12.5

Therefore, </span><span>the maximum age of a fossil that we could date using 40k is 12.5 billion years.</span>
3 0
3 years ago
a bag contains 3 red marbles and 6 blue marbles what it the probability of randomly selecting a red marble from the bag?
DochEvi [55]

Answer:

33%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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