MATHEMATICS HIGH SCHOOL

For the right triangle shown, which expression represents the length of CA? a. 5cos(25°)
b. 5tan(25°)
c. 5/sin(25°)
d. sin(25°)/5
For the right triangle shown, which expression represents the length - 1

Answers

Answer 1
Answer:

Answer:

  b. 5tan(25°)

Step-by-step explanation:

The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...

  tan(25°) = ?/5

Multiplying by 5 solves the equation:

  ? = 5·tan(25°)
Answer 2
Answer:

Answer:

B

Step-by-step explanation:

I did it one usatestprep

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TRICKY QUESTION: PLS HELP? If the side length of a square pyramid is tripled and the slant height is divided by 5, what would be the formula to find the modified surface area?

Answers

formula for surface area is
SA=(s^2)+4(1/2)(sl) or
SA=(s^2)+2(sl)
where s is side legnth and slant height is l

if s times 3
if l divided by 5

replace all s with 3s and all l with l/5 and compare wth original

SA=((3s)^2)+2(3s(l/5))
SA=(9s^2)+((6sl)/5)

The diameter of a soccer ball is 8.65 inches what is the volume of the ball rounded to nearest hundredth

Answers

A soccer ball is an icosahedron with curved faces that is why it can be regarded as spherical. The volume of a sphere is calculated through, 

                                        Vs = 4πr^3/3

  where Vs is the volume and r is radius. From the given, 8.65 in is the diameter which is 4.325 in in radius. 

                                        Vs = 4π(4.325^3)/3 = 338.88 in cubed.

Thus, the volume of the ball is 338. 88 in cubed. 

Divide 7/24 by 35/48 and reduce to lowest fraction

Answers

To divide fractions you multiply the reciprocal of the divisor.

7/24 ÷ 35/48 =
7/24 × 48/35 =
336/840

Now we have to reduce...

336/840 = 168/420 = 84/210 = 42/105 = 6/15 = 2/5

Answer is 2/5

Which does NOT represent a function
a
b
c
d

Answers


the answer is d
hope this helps

1 fourth B minus 10 equals 7

Answers

(1)/(4)b - 10 = 7
Take 10 to the other side.

(1)/(4)b = 17

Multiply by 4 to isolate b
(1)/(4)b × 4 = 17 × 4

4 and 4 cancels out
 
b = 68

Luis skates 2/3 mile from his home to school. isabella skates 2/4 mile to get to school. who skates farther?

Answers

Luis. 2/3 as a decimal is 0.66666666 (you get the point) and 2/4 as a decimal is 0.5.
0.666 > 0.5, therefore, Luis skates further.

Answer:


Step-by-step explanation:
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