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Tom [10]
2 years ago
9

Find the value of sin30+tan^(2)60+sec^(2)45​

Mathematics
1 answer:
xenn [34]2 years ago
3 0

Answer:

Step-by-step explanation:

sin 30+tan²(60)+sec²(45)

=1/2+ (√3)^2+(√2)²

=1/2+3+2

=5 1/2

=5.5

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4y − 3x − 2y 11 x − 2 x
Inessa05 [86]
By rearranging it:
-3x-2x-22xy+4y
=-5x-22xy+4y answer
4 0
3 years ago
What is the area of this figure (4,1)(2,2)(2,-2)(-4,-2)(-2,-5)(2,-5)
V125BC [204]

Answer:

The area of this figure is 45 square units.

8 0
3 years ago
Anna is draining water out of a 50 gallon rain barrel. The graph shows the relationship between time in minutes and the gallons
tatiyna

Answer:

6 < x ≤ 20

Step-by-step explanation:

First, let's use the points (0, 50) and (20, 0) to find the equation of the line.

m = Δy / Δx

m = (0 − 50) / (20 − 0)

m = -2.5

y = -2.5x + 50

Now find the time when y = 35.

35 = -2.5x + 50

-15 = -2.5x

x = 6

So there is less than 35 gallons in the barrel when 6 < x ≤ 20.

7 0
3 years ago
Express as a fraction<br>10:14<br>The answer is (Simplify your answer.)​
katen-ka-za [31]
First you want to break down both numbers to prime factors so for 10 you would get 10=2x5 and 14 you would get 14=2x7 then you will want to take the greatest common factor of both which is 2 because it is the only factor that is shared between the two then you take the two beginning numbers and divide them by 2 because it is the greatest common factor and 5/7 is your anwser
3 0
3 years ago
17. Explain whether 11t - 4t is equivalent to 4t - 11t.
nydimaria [60]

Answer:

So Equation ( 1 )  is NOT Equivalent to Equation ( 2 )

Step-by-step explanation:

Given:

11t - 4t ..............Equation ( 1 )

4t - 11t  ................Equation ( 2 )

To Find:

Whether Equation ( 1 )  is Equivalent to Equation ( 2 )

Support your answer by evaluating the expression for t = 2.

Solution:

For t=2 Equation ( 1 ) we get

11t - 4t=11(2) - 4(2)=22-8=14

For t=2 Equation ( 2 ) we get

4t - 11t=4(2) -11(2)=8-22=-14

From above we get two different values

So Equation ( 1 )  is NOT Equivalent to Equation ( 2 )

4 0
3 years ago
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