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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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3 years ago
the length of a rectangle is 12 inches more than it's width what is it's width of the rectangle if the perimeter is 42 inches​
dimaraw [331]

Answer:

3.5

Step-by-step explanation:

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3 years ago
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Here is a graph of the relationship between the number of quarters and the number of dimes when there are a total of 17 coins.
kirill115 [55]
Point a has more what she said
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3 years ago
What is the area of the trapezoid?
ExtremeBDS [4]
<h2>Answer:</h2>

42 square units

<h2>Step-by-step explanation:</h2>

For a better understanding, I add an EFGH Rectangle.

The area of EFGH Rectangle = p x l

The area of EFGH Rectangle = 10 x 8

The area of EFGH Rectangle = 80cm²

The area of BHA Triangle = 1/2 x a x t

The area of BHA Triangle = 1/2 x a x t

The area of BHA Triangle = 1/2 x 6 x 4

The area of BHA Triangle = 2 x 6

The area of BHA Triangle = 12cm²

The area of AGD Triangle = 1/2 x a x t

The area of AGD Triangle = 1/2 x 4 x 2

The area of AGD Triangle = 4cm²

The area of CFD Triangle = 1/2 x a x t

The area of CFD Triangle = 1/2 x 2 x 6

The area of CFD Triangle = 6cm²

The area of BEC Triangle = 1/2 x a x t

The area of BEC Triangle = 1/2 x 8 x 4

The area of BEC Triangle = 4 x 4

The area of BEC Triangle = 16cm²

The area of the trapezoid = EFGH Rectangle - (BHA Triangle + AGD Triangle + CFD Triangle + BEC Triangle)

The area of the trapezoid = 80 - (12 + 4 + 6 + 16)

The area of the trapezoid = 80 - 38

The area of the trapezoid = 42cm²

<h3>Conclusion :</h3>

The area of the trapezoid is <u>42 square units</u>

7 0
2 years ago
WILL GIVE BRAINLIEST!! PLEASE HELP! <br> How do I factor 6v^2–36v+54 since 6 isn't a square root?
Elden [556K]

Answer:

6 (v-3)^2

Step-by-step explanation:

6v^2–36v+54

Factor out a 6

6(v^2–6v+9)

Then factor inside the parentheses

What 2 numbers multiply to 9 and add to -6

-3*-3 =9    -3+-3 = -6

6( v-3)(v-3)

6 (v-3)^2

4 0
3 years ago
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