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yuradex [85]
2 years ago
5

.

Mathematics
2 answers:
harkovskaia [24]2 years ago
5 0
The number of valence electrons
Luda [366]2 years ago
3 0
Lol that’s chem not math but i’m pretty sure it’s the number of valence electrons but don’t listen to me
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Use the reference angles to find the exact value of the expression cot -11 pi/6. Do not use a calculator
laiz [17]

Answer:

\sqrt{3}

Step-by-step explanation:

cot(-11pi/6)=cot(-pi-5pi/6)= -cot(5pi/6)=cot(pi/6)=\sqrt{3}≈1.73

7 0
3 years ago
If angle 2 is 97 what is the measurement of angle 1
Angelina_Jolie [31]

Answer:

83

Step-by-step explanation:

The total angle of a flat line is 180. If you subtract the angle of 2 from 180 you get 83 which is the angle of 1.

8 0
2 years ago
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Find the indicated limit, if it exists.(7 points)
Alecsey [184]

Answer:

7

Step-by-step explanation:

The left hand limit is when we approach zero from left. We use the function on this domain in finding the limit.

\lim_{x \to 0^-} f(x)=7-x^2

\lim_{x \to 0^-} f(x)=7-(0)^2=7

The right hand limit is

\lim_{x \to 0^+} f(x)=10x+7

\lim_{x \to 0^+} f(x)=10(0)+7=7

Since the left hand limit equals the right hand limit;

\lim_{x \to 0} f(x)=7

7 0
3 years ago
A scale drawing of a kitchen is shown below. The scale is 1 : 20.
Arada [10]

Answer:

0.138889

Step-by-step explanation:

formula is to divide by 144

which first you multiply 5×4 which gives you 20

therefore 20÷144

=0.138889

3 0
2 years ago
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elsa is designing a commercial jet. she drew a model of her design using the scale shown below. According to her design what wil
stiv31 [10]

Answer:

55

Step-by-step explanation:

5 0
2 years ago
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