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saw5 [17]
3 years ago
14

Hello please help thanks i’ll give brainliest!

Mathematics
1 answer:
AleksAgata [21]3 years ago
3 0

Answer:

Step-by-step explanation:

Plate tectonics is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century.

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Which shows all the like terms in the expression? 4x-3+7x+1
myrzilka [38]

Answer:

Step-by-step explanation:

4x-3+7x+1

4x, 7x are like terms because the both have an x  

-3,1 are like terms because they are both constants

4x+7x-3+1

11x -2

6 0
2 years ago
1. In which table is y not a function of x? <br> please help!!
Hatshy [7]

Answer:

D

Step-by-step explanation:

because All Of The Value Of X Is The Same

5 0
2 years ago
Help pls
ki77a [65]

Answer:

Distance between the school and the theater = 2\sqrt{13} units

Step-by-step explanation:

Use distance formula to calculate the distance from the school (8, 7) and the theater (2, 3):

d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Let,

school (8, 7) = (x_1, y_1)

theater (2, 3) = (x_2, y_2)

Plug in the values into the distance formula

d = \sqrt{(2 - 8)^2 + (3 - 7)^2}

d = \sqrt{(-6)^2 + (-4)^2}

d = \sqrt{36 + 16} = \sqrt{52}

Simplify

d = \sqrt{4 \times 13}

d = 2\sqrt{13}

3 0
2 years ago
PLEASE HELP ME!! ITS RLLY EASY!!
Arte-miy333 [17]

Answer:

DF,DE,EF

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Help me solve this question
OLEGan [10]

Consider the first term on the left side.

\displaystyle \frac{2\sin{A}}{\cos{3A}}\\\\=\frac{2\sin{A}\cos{A}}{\cos{3A}\cos{A}}\qquad\text{multiply by cos(A)/cos(A)}\\\\=\frac{\sin{2A}}{\cos{3A}\cos{A}}\qquad\text{double angle formula for sin}\\\\=\frac{\sin{(2A-A)}}{\cos{3A}\cos{A}}=\frac{\sin{3A}\cos{A}-\cos{3A}\sin{A}}{\cos{3A}\cos{A}}\\\\=\tan{3A}-\tan{A}

Then the sum of the three terms on the left is

\left(\tan{3A}-\tan{A}\right)+\left(\tan{9A}-\tan{3A}\right)+\left(\tan{27A}-\tan{9A}\right)\\\\=\tan{27A}-\tan{A}\qquad\text{Q.E.D.}

4 0
3 years ago
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