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3 years ago

Write Ratio 2:12 in the form 1:n

Mathematics

2 answers:

aev [14]3 years ago

6 0

Answer:

n value is 6

2:12=1:6

n is 6

topjm [15]3 years ago

3 0

1:6

Hope this helps! :)

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Find sin(a+B)

diamong [38]

Answer:

Cos A=5/13

we have

Cos² A= $1-Sin ²A$

25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

Sin A= $\sqrt{144/169}=12/13$

again

Tan B=4/3

P/b=4/3

p=4

b=3

h= $\sqrt{3²+4²}=5$

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

Sin(A+B):sinAcosB+CosAsinB

now 

substitute value

Sin(A+B):12/13*3/5+5/13*(-4/5)=36/65-4/13

=16/65 is a required answer

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3 years ago

2. Find the area of a rectangle measuring 25 feet long by 8 feet wide

Pavel [41]

To find area you do length x width so it would be 25*8 which equals 200 so your area is 200ft

6 0

3 years ago

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Somebody pls help me with this question pls

monitta

292in^3
3x6x10=180 because I’ve split the shape in half
7x4x4=112
180+112=292

4 0

2 years ago

Sat question: a circle in the xy-plane has a diameter with endpoints (-1,-3) and (7,3). if the point (0,b) lies on the circle an

labwork [276]

1) use the distance formula to find that the radius (r) of the circle = 5

2) use the midpoint formula to find that the center of the circle (h,k) = (3, 0)

3) Now use the formula of a circle and input the (h,k) and r to create:

(x - 3)² + (y - 0)² = 5² → (x - 3)² + y² = 25

4) input the "x" value given in the question (x = 0) and solve for "y":

(0 - 3)² + y² = 25 → 9 + y² = 25 → y² = 16 → y = +/- 4

Since the question states that "b" must be positive, you can disregard the -4.

Answer: b = 4

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3 years ago

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Please help me with the answer

Mamont248 [21]

Answer:

Step-by-step explanation:

Categorical data is also known as qualitative variable. It is a data that can take up one or a limited set of values. e.g race, sex, occupation.

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3 years ago