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pishuonlain [190]
3 years ago
8

Will give you 10 points, thank for the help!

Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

Step-by-step explanation:

Area of the shaded region will be "(area of rectangle) - (area of triangle)"

Area of rectangle: 8 ft * 5 ft = 40 ft^2

Area of triangle: 1/2 * 3 ft (36 in) *  2.25 ft (27 in) = = 3.375 ft^2

40 - 3.375 = 36.625 ft ^2 = 5274 in^2

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Which of the following are trigonometric identities ? Check all that apply. Tan^2 x -
snow_tiger [21]
I hope you are looking for these answer choices as you have not posted the choices. Therefore, I have a similar question with these answer choices.

a). tan² x - 1 = sec²x
b). 4 cosxsinx = 2cos + 1 -2sinx
c). tanx cosx cscx = 1
d). 1- tanx tany = cos(x+y) ÷ cosx cosy

<span>Options B, C, D are correct because, for all them, left-hand side equals to the right-hand side for x = 0.

The option A)
</span>tan² x - 1 = sec²x<span> is not true. 
since x = 0
Therefore,
The Right hand side would be:
                                         </span>tan² x - 1 = sec²(0)<span>
                                                             = 1
The Left hand side would be:
                                         </span>           tan² x - 1 = tan² (0) - 1
                                                                   = 0 - 1
                                                                   = -2
Therefore,
Both sides are not equal so it's not a trigonometric identity.
3 0
2 years ago
How do you convert 2.75 into a percent
KonstantinChe [14]
Multiply by 100, as per cent means per 100.
5 0
3 years ago
Read 2 more answers
Solve the inequality. 3x + 7 &gt; 4x + 2
Svetlanka [38]

Answer:

answer is b

Step-by-step explanation:

explanation in the pic!

6 0
3 years ago
(b) Create a sequence that begins with a negative rational number, is increasing by addition, and is infinite ​
fgiga [73]

Answer:

an infinite is a list or string of discrete objects, usually numbers, that can be paired off one-to-one with the set of positive integer s {1, 2, 3, ...}.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Point D is on line segment \overline{CE}
ANTONII [103]

Answer:

DE = 18

Step-by-step explanation:

Given that,

Point D is on line segment CE.

DE = x+10, CD=6 and CE=3x

We need to find the length of DE.

ATQ,

CE = CD + DE

Putting all the values,

3x = 6 + x+10

Taking like terms together

3x-x = 16

2x = 16

x = 8

DE = x+10

= 8+10

= 18

Hence, the length of DE is 18.

5 0
2 years ago
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