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const2013 [10]
3 years ago
13

Please Help me if i dont get this done i will have to stay in school instead of my regular 12:45 I will permanently have to stay

until 3:00

Mathematics
1 answer:
goblinko [34]3 years ago
6 0

I can help with the first attatchment. i cant quite see all of the problems, so I'll just tell you the easiest way to find the answers. also, I'll use f as a example.

Step-by-step explanation:

1.) the ratio 8:10 is basically saying "I have eight of these out of 10"

therefore,

the fraction version is the exact same thing. 8/10

(make sure to simplify if the problem asks for you to simplify)

2.) for percent, think if it like this;

8:10 is saying "eight out of 10"

and a percent is ___ out of 100

so.. to turn 8:10 to a percent, multiply the 10 by 10, that way, you will get 100. and then multiply the 8 by 10 as well. 8×10=80. so, the new way to write it is 80:100

now, 80:100 is saying "eighty out of one hundred"

just like how a % is saying "___ out of 100"

so, 8:10 = 80:10 = 80%

3.) for decimal version, think if it this way;

8:10 is just saying "eight out of 10" and the way to write "eight out of 10" as a fraction is 8/10.

and the proper way to say that fraction, 8/10 is "eight tenths"

and you write "eight tenths" as .8 in decimal form

so, 8:10 is .8 in decimal form

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In the diagram of right triangle ABC shown below, AB = 14 and AC = 9. What is the measure of angle A to the nearest degree?
olga_2 [115]

This question is incomplete because it lacks the diagram of the right angled triangle. Find attached to this answer the diagram of the right angle triangle.

Answer:

d-50

Step-by-step explanation:

Looking at the attached diagram, the only way to solve for this is the use of the trigonometric function. The trigonometric function to be used is the cosine function.

From the diagram, we are given

Hypotenuse = AB = 14

Adjacent = AC = 9

The measure of angle A to the nearest degree is calculated as:

cos θ = Adjacent / Hypothenuse

cos θ = 9/14

θ = cos -¹ (9/14) or arccos(9/14)

θ = 49.994799115°

To the nearest degree = 50°

Therefore,the measure of angle A to the nearest degree = 50°

7 0
4 years ago
Polygon CCC has an area of 404040 square units. Kennan drew a scaled version of Polygon CCC using a scale factor of \dfrac12 2 1
dsp73
The area of polygon D is given by:
 Ad = k ^ 2 * Ac
 Where,
 k: scale factor
 Ac: area of polygon C
 Substituting the values we have:
 Ad = (1/2) ^ 2 * (40)
 Ad = (1/4) * (40)
 Ad = 10 square units
 Answer:
 
the area of Polygon D is:
 
Ad = 10 square units
7 0
4 years ago
Read 2 more answers
Find the value of x. Round the length to the nearest tenth.
STALIN [3.7K]

Answer:

x = 5.13 yards to the nearest tenth

Step-by-step explanation:

The diagram is redrawn and labelled in the attached photo.

It is labelled as triangle ABC. Angle A is determined to be 25 degrees. This is because it is alternate to 25 degrees at the top.

To find x, we will apply trigonometric ratio

Tan # =opposite side / adjacent side

Where # = 25 degrees

Opposite side = x

Adjacent side = 11

Tan 25 = x/11

x = 11tan25

x = 11× 0.4663

x = 5.1293 yards

x = 5.13 yards to the nearest tenth.

3 0
3 years ago
What number is equivalent to 17 and 50 thousandths
const2013 [10]
Decimal= 17.005

Hope this helps!
5 0
3 years ago
Read 2 more answers
a trinalge has two sides of lengths 4 and 7. what value could the length of the third side be? check all that apply A.9 B.11 C.1
hram777 [196]

the answer would be f. 7 because two sides of the triangle are the same

7 0
3 years ago
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