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Talja [164]
3 years ago
7

Margaret has just begun the process of filing her federal income tax return, and she plans to deduct charitable contributions. W

hich form must she use?
?

A. 1040
B. 1040X
C. 1040A
D. 1040EZ
Mathematics
1 answer:
LenKa [72]3 years ago
3 0
<span>A. 1040

1040 is the form that you can itemized deductions which is where you deduct charitable contributions.
</span>
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Lawrence scores on her math tests are 93 91 98 195 92 and 96 what score could Lauren get on your next math test so that the mean
Rufina [12.5K]
Median  94.5
mean  110.83
5 0
3 years ago
Please help. How do you find cosine, sine, cosecant and secant with this triangle? ​
Veseljchak [2.6K]

Hi there! You have to remember these 6 basic Trigonometric Ratios which are:

  • sine (sin) = opposite/hypotenuse
  • cosine (cos) = adjacent/hypotenuse
  • tangent (tan) = opposite/adjacent
  • cosecant (cosec/csc) = hypotenuse/opposite
  • secant (sec) = hypotenuse/adjacent
  • cotangent (cot) = adjacent/opposite
  • cosecant is the reciprocal of sine
  • secant is the reciprocal of cosine
  • cotangent is the reciprocal of tangent

Back to the question. Assuming that the question asks you to find the cosine, sine, cosecant and secant of angle theta.

What we have now are:

  • Trigonometric Ratio
  • Adjacent = 12
  • Opposite = 10

Looks like we are missing the hypotenuse. Do you remember the Pythagorean Theorem? Recall it!

  • a²+b² = c²

Define that c-term is the hypotenuse. a-term and b-term can be defined as adjacent or opposite

Since we know the value of adjacent and opposite, we can use the formula to find the hypotenuse.

  • 10²+12² = c²
  • 100+144 = c²
  • 244 = c²

Thus, the hypotenuse is:

\large \boxed{c = 2 \sqrt{61} }

Now that we know all lengths of the triangle, we can find the ratio. Recall Trigonometric Ratio above! Therefore, the answers are:

  • cosine (cosθ) = adjacent/hypotenuse = 12/(2√61) = 6/√61 = <u>(6√61) / 61</u>
  • sine (sinθ) = opposite/hypotenuse = 10/(2√61) = 5/√61 = <u>(5√61) / 61</u>
  • cosecant (cscθ) is reciprocal of sine (sinθ). Hence, cscθ = (2√61/10) = <u>√61/5</u>
  • secant (secθ) is reciprocal of cosine (cosθ). Hence, secθ = (2√61)/12 = <u>√</u><u>61</u><u>/</u><u>6</u>

Questions can be asked through comment.

Furthermore, we can use Trigonometric Identity to find the hypotenuse instead of Pythagorean Theorem.

Hope this helps, and Happy Learning! :)

5 0
3 years ago
( zoom in to see answer ) BUT PLS SOMEONE HELP ME
slavikrds [6]

Answer:

Hello,

If Mr. Trujilo wants to pain only the wall:

Wall:

12.5 feet x 8.5 feet = 106.25 ft2

Door

5 feet x 6.75 feet = 33.75 ft2

Wall - Door = 106.25 ft2 - 33.75 ft2 = 72.5 ft2

7 0
3 years ago
You need to wrap a present that is in the shape of a rectangle prism. The present has a length of 5 inches, a width of 4.5 inche
Serggg [28]
The surface area is made up of six sides and the area is then just the sum of the areas of the six sides...

A=2xy+2xz+2yz

A=2(xy+xz+yz)  in this case:

A=2(5*4.5+5*3.5+4.5*3.5)

A=2(22.5+17.5+15.75)

A=2(55.75)

A=111.5 in^2
3 0
3 years ago
Read 2 more answers
Can you plz mee!!!<br> You can get 10 points.
Harman [31]

Answer:

i think a

Step-by-step explanation:

you said 10 i see five

3 0
3 years ago
Read 2 more answers
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