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harkovskaia [24]
3 years ago
14

Find the value of x in the given right triangle HELP IDK HOW TO DO THIS PLEASE

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0

Answer: 5.6

Step-by-step explanation:

Hope this helps

lutik1710 [3]3 years ago
5 0

Answer:

x ≈ 5.63

Step-by-step explanation:

We use cos∅ for this problem (adjacent over hypotenuse)

Step 1: Write equation

cos62° = x/12

Step 2: Isolate <em>x</em>

12(cos62°) = x

x = 5.63366

And we have our final answer!

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Identify the statement(s) that are both biconditional and false. Three points are not in the same plane if and only if exactly o
Marysya12 [62]

Answer:

Step-by-step explanation:

1) Three points are not in the same plane if and only if exactly one line passes through them.

It is biconditional and false because more than one plane can pass through three points

2)Exactly one line passes through three points if the points are in an infinite number of planes.

It is biconditional and true because three points on same line will be in more than one plane and if they are not in the same plane then connect them and it will form a triangle which is in only one plane

3). an infinite number of planes pass through the same three points if and only if the points are not on the same line.

It is biconditional and false because more than one plane passes through them So, infinite no. of planes passes through them

4). three points on the same line if and only if exactly one plane passes through them. ​

It is biconditional and false because more than one plane passes through them So, infinite no. of planes passes through them

7 0
2 years ago
A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 8
Alex_Xolod [135]

Answer:

80

Step-by-step explanation:

Using this as a guide,

Number of Registered voters = 60

Number of non registered voters = 40

Total number of women in sample is 80

Total number of men in sample is 20

Thus, the expected frequencies for female registered voters

= (80/100)*60

= 48

Expected frequency for female non registered voters is

= (80/100)*40

= 32

Therefore, the total number of females for the expected frequencies is

48+32 = 80

6 0
3 years ago
(b) The sum of a number and its reciprocal is<br> 2 1/6.Find the number
Phoenix [80]

Answer:

Step-by-step explanation:

n+1/2n=7/2

2n^2+1/2=7/2

4n^2+2=14

4n^2=12

n^2=3

n=radical3

4 0
2 years ago
8/7=x/5 what is the value of x round to the nearest tenth
faust18 [17]

Answer:

<h2>x = 5.7</h2>

Step-by-step explanation:

\frac{8}{7}  =  \frac{x}{5}

To find x first cross multiply

We have

7x = 8 × 5

7x = 40

Divide both sides by 7

That's

\frac{7x}{7}  =  \frac{40}{7}

x =  \frac{40}{7}

x = 5.7142

We have the final answer as

<h3>x = 5.7 to the nearest tenth</h3>

Hope this helps you

7 0
3 years ago
Read 2 more answers
The height of the pyramid in the diagram is three times the radius of the cone. The base area of the pyramid is the same as the
drek231 [11]
B(cone)=B(pyramid)=r²π
V(pyramid)=1/3 * B * H = 1/3 * r² π * 3 r ( 3 will cancel out )= r³ π
Answer: r³ π
4 0
3 years ago
Read 2 more answers
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