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Leokris [45]
4 years ago
6

By how many % did 100 decrease to 79?

Mathematics
1 answer:
stepan [7]4 years ago
3 0

Answer:

21%

Step-by-step explanation:

Since both 100 and 79 is the percentage, you need to find how much has decreased, so you have to subtract.

100-79 = 21

So, 21% was decreased.

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Please help need quickly
podryga [215]

Answer:  approximately 311 feet

I rounded to the nearest whole number since the other given values are whole numbers. The more accurate value is roughly 310.825323188148 feet.

=========================================================

Explanation:

Refer to the diagram below. When using the 47 degree as the reference angle, we know that,

  • opposite side = x
  • hypotenuse = 325

We can say:

sin(angle) = opposite/hypotenuse

sin(47) = x/425

425*sin(47) = x

x = 425*sin(47)

x = 310.825323188148

x = 311

The kite is approximately 311 feet off the ground.

6 0
3 years ago
What are the six trigonometric functions and how are their values determined using the three sides of a right triangle?
algol [13]

Explanation:

Six trigonometric functions are ratio of sides with their angle in right angled triangle.

Six trigonometric functions are:

Sinθ = Perpendicular / Hypotenuse

Cosθ = Base / Hypotenuse

Tanθ = Perpendicular / Base

Cotθ = Base / Perpendicular

Secθ = Hypotenuse / Base

Cosecθ = Hypotenuse / Perpendicular

4 0
3 years ago
Evaluate the expression, -1 x (-0.1 x -5 + 0.5)​
Irina18 [472]

Answer:

-1

Step-by-step explanation:

-1 x (-0.1 x -5 + 0.5)

= -1 x 1

= -1

3 0
3 years ago
Bilal's fishing line was on a spool with a radius of 4 \text{ cm}4 cm4, start text, space, c, m, end text. Suddenly, a fish pull
Fantom [35]

Answer:

The distance the fish pulled the fishing line is <u>401.92 cm.</u>

Step-by-step explanation:

Given:

Radius of fishing spool = 4 cm.

Fish pulled on the line, and the spool spun 16 times before Bilal began to reel in the fish.

Now, to find the distance the fish pulled the fishing line.

So, to get the circumference of the spool first we put formula:

Radius(r) = 4 cm.

Value of π = 3.14.

Circumference = 2\pi r

Circumference=2\times 3.14\times 4

Circumference=25.12\ cm.

<em>As given, fish pulled on the line, and the spool spun 16 times before Bilal began to reel in the fish.</em>

Now, to get the distance the fish pulled the fishing line, we multiply 16 with the circumference:

16\times 25.12\\\\=401.92\ cm.

Therefore, the distance the fish pulled the fishing line is 401.92 cm.

3 0
3 years ago
A roller skating team has 10 members. Each team member has 2 roller skates. Each roller skate has 4 wheels. What is the total nu
mash [69]
The equation for this is 10 x 4 x 2 so multiply them together to get 80 skate wheels hope it helped =)
7 0
3 years ago
Read 2 more answers
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