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igomit [66]
3 years ago
13

4% of what number is 7

Mathematics
1 answer:
polet [3.4K]3 years ago
7 0
175 is the answer you're looking for.
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So I'm in an online class of geometry and one of the units is trig. but no matter how long i keep learning or trying to learn th
Arturiano [62]

Answer and explanation:

There are six main trigonometric ratios, namely: sine, cosine, tangent, cosecant, secant, cotangent.

Those ratios relate two sides of a right triangle and one angle.

Assume the following features and measures of a right triangle ABC

  • right angle: B, measure β
  • hypotenuse (opposite to angle B): length b

  • angle C: measure γ
  • vertical leg (opposite to angle C): length c

  • horizontal leg (opposite to angle A): length a
  • angle A: measure α

Then, the trigonometric ratios are:

  • sine (α) = opposite leg / hypotenuse = a / b
  • cosine (α) = adjacent leg / hypotenuse = c / b
  • tangent (α) = opposite leg / adjacent leg = a / c

  • cosecant (α) = 1 / sine (α) = b / a
  • secant (α) = 1 / cosine (α) = b / c
  • cotangent (α) = 1 / tangent (α) = c / b

Then, if you know one angle (other than the right one) of a right triangle, and any of the sides you can determine any of the other sides.

For instance, assume an angle to be 30º, and the lenght of the hypotenuse to measure 5 units.

  • sine (30º) = opposite leg / 5 ⇒ opposite leg = 5 × sine (30º) = 2.5
  • cosine (30º) = adjacent leg / 5 ⇒ adjacent leg = 5 × cosine (30º) = 4.3

Thus, you have solved for the two unknown sides of the triangle. The three sides are 2.5, 4.3, and 5.

7 0
2 years ago
A paddle boat company charges $15 rental fee plus $12.75 per hour for rentals. If Jimmy has $45, which inequality can he use to
horrorfan [7]

Answer:

A.

Step-by-step explanation:

$15 rental fee added to the 12.75 per hour. you have to multiply the 12.75 times the amount of hours rented, which we don't know yet so that's variable x. then he has only $45 to spend so it has to be equal to or less than that.

4 0
3 years ago
The length of the radius is ____ cm.
balu736 [363]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Ok guys i need your help. can someone give me the answer and EXPLAIN it? I don´t get any of this and if someone explains, it MIG
GalinKa [24]

Answer: C. y=25x+125

Step-by-step explanation:

it multiplies by 75 and adds 125 each time

6 0
3 years ago
Read 2 more answers
13. Solve the following:<br> a. 2.68 - 1.44 =<br> b. 5.05 X 0.04 =<br> c. 5.144 = 1.6 =
AURORKA [14]
A) 1.24 B) 0.202 and C) 3.215.
6 0
2 years ago
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