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Y_Kistochka [10]
3 years ago
6

PLEASE HELP!!! ITS ALMOST DUE!!! ILL MARK BRAINLIEST!!

Mathematics
2 answers:
RSB [31]3 years ago
6 0

Answer:

Step-by-step explanation:

C

Natasha_Volkova [10]3 years ago
4 0

Answer: 12.8

Step-by-step explanation:

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Julissa's dance class ended at 6:15 pm. It lasted 1 hour and 25 minutes.<br> What time did it start?
Vlad1618 [11]

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4:50

Step-by-step explanation:

3 0
3 years ago
The sun casts a 70 foot shadow on a 30 foot tree. Find the angle of elevation to the nearest degree.
Nesterboy [21]

Answer:

23°

Step-by-step explanation:

We apply Pythagorean theorem to determine the missing length, Hypotenuse:

h^2+b^2=H^2\\\\70^2+30^2=H^2\\\\H=\sqrt{5800}\\\\=76.15773\ ft

This hypotenuse corresponds to the right triangle and the tree's height, corresponds to the angle of elevation:

-We apply the law of Sines;

\frac{a}{Sin \ A}=\frac{b}{Sin\ B}\\\\\\\frac{76.15773}{Sin \ 90}=\frac{30}{Sin\  h}\\\\h=Sin^{-1}\frac{30}{76.15773}\\\\=23.19859\approx 23\textdegree

Hence, the angle of elevation is 23°

8 0
3 years ago
What is the quadratic regression equation that fits these data?
ruslelena [56]

Answer:

Step-by-step explanation:

The answer is D. Use the Stat and then Edit button on your TI calculator to edit the values in L1 and L2 tables. In L1 enter 0, 1, 2, 3, 4, 5 and then arrow over and enter the y values into L2 the same way. Enter the number 12, then hit enter; enter the number 14, hit enter; enter the number 15 and then hit enter, etc. Do the same for the values that are going into L1.

When that is done, hit the Stat button again and arrow down to QuadReg and hit enter. Depending upon your calculator, you may have to arrow down to "calculate" or the calculator may display the equation immediately after hitting QuadReg. Again, it all depends upon your calculator.

5 0
3 years ago
Read 2 more answers
There are 9 crayons. Four of the crayons are blue. Two of the crayons are yellow. Three of the crayons are red. What fraction of
just olya [345]
The answer is 5/9 because there are a total of 5 other colors besides blue
8 0
4 years ago
What is an equivalent expression for 2^0
vovikov84 [41]

Answer:

it is 1

Step-by-step explanation:

anything raised to 0 is 1.

7 0
3 years ago
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