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lbvjy [14]
3 years ago
12

Explain how to find a measure of angle ACD without repositioning the protractor

Mathematics
1 answer:
MatroZZZ [7]3 years ago
6 0

Answer:

60 degrees

Step-by-step explanation:

ACD and ACB are complementary angles. Find ACB=30 degrees. Subtract 30 from 90 degrees. ACD=60 degrees.

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The population of a certain species of bird in a region after t years can be modeled by the function P(t)= 1620/1+1.15e^-0.042t
natka813 [3]

Answer:

A

Step-by-step explanation:

The function is  \frac{1620}{1+1.15e^{-0.042t}}

To find the maximum population, we need to set t towards infinity to get our answer.

So, we replace time with maximum (\infty). Let's check:

\frac{1620}{1+1.15e^{-0.042t}}\\=\frac{1620}{1+\frac{1.15}{e^{0.042t}}}\\=\frac{1620}{1+\frac{1.15}{e^{0.042(\infty)}}}\\=\frac{1620}{1+\frac{1.15}{\infty}}\\=\frac{1620}{1+0}\\=\frac{1620}{1}\\=1620

The population of birds approaches 1620 as t goes towards infinity. So we can say the max population of the species is 1620.

Correct answer is A

5 0
3 years ago
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At XYZ Middle School, 40 percent of the 500 students ride their bikes or walk to school. How
iVinArrow [24]

Answer:

200 students either bike or walk to school

Step-by-step explanation:

0.4 = 40%

500 * 0.4 = 200

40% is 200 students

200 students either bike or walk to school

7 0
3 years ago
What is the sum of 2+5=
Lena [83]

Answer: 7

Step-by-step explanation: 5 + 1 + 1 = 7 .

6 0
3 years ago
The least common multiple of the numbers 15, 12, 8
Ymorist [56]

Answer: LCM of 8, 12, and 15 is 120.

Step-by-step explanation:

I hope this helps!

6 0
3 years ago
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PLEASE HELP, WILL MARK AS BRAINLIEST!!!!!!!!!!!
Lisa [10]

A Trapezoid needs to have one pair of sides parallel.

Two of the points already plotted have the same Y value ( 3)

So the 4th dot, should have the same Y value as the first dot, which is 1.

The 4th dot should be plotted at C (5,1)

7 0
3 years ago
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