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2 years ago

Tan (x) sin (x) + sec (x) cos2 (x) = ?

Mathematics

1 answer:

adelina 88 [10]2 years ago

8 0

Answer:

look

Step-by-step explanation:

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Please answer someone!!!

Step2247 [10]

Answer:

True

Step-by-step explanation:

$\sqrt{(xy)^3}$ =
$((xy)^{1/2})^3$ =
$(xy)^{{1/2}*3}$ =
$(xy)^{3/2}$

The answer is TRUE

8 0

2 years ago

Students in 7th grade took a standardized math test that they also had taken in 5th grade. The collected data showed that in two

Arada [10]

In general, the students increased their standardized math scores from 5th grade to 7th grade. The students might be more familiar with the exam and they have learned more in their math classes.

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2 years ago

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Solve the system of equations. −5x+2y=9 y=7x

RUDIKE [14]

Answer:

x=1 y=7

Step-by-step explanation:

−5x+2y=9

y=7x

Substitute the second equation into the first

-5x +2(7x) = 9

Distribute

-5x +14x = 9

Combine like terms

9x=9

Divide by 9

9x/9 =9/9

x= 1

Now find y

y = 7(1)

y = 7

5 0

2 years ago

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irga5000 [103]

Answer:

13 miles

Step-by-step explanation:

The shortest distance would be a straight line between the two points. This would be a hypotenuse of a right triangle

We can use the Pythagorean theorem to determine the length

a^2+b^2=c^2

5^2 +12^2 = c^2

25+144= c^2

169 = c^2

Taking the square root of each side

sqrt(169) = sqrt(c^2)

13 = c

3 0

2 years ago

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F(1) = 4, f(n) = (−9) · f(n − 1) + 18

8090 [49]

f,n=4 and 27/20

this is the answer

3 0

2 years ago