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erik [133]
2 years ago
11

Just read the question since im too lazy to put the question down lol

Mathematics
1 answer:
andrey2020 [161]2 years ago
8 0

Step-by-step explanation:

m<6 + 63 = 180

m<6= 180-63

m<6= 117°

m<7 and m<3 are corresponding angles. They match

m<7= 63°

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Area of the parallelogram?
rjkz [21]

Answer:

Step-by-step explanation:

A=bh

12.6 x 8 = 100.8m2

4 0
3 years ago
Shelly made a scale drawing of a room the actual room has a width of 16 feet and a length of 30 feet if Shelly used a scale fact
alukav5142 [94]

Answer:

sixteen times thirty divided by five

3 0
3 years ago
The angle of depression of a car C, from the top of the building of height 100m is
Crazy boy [7]

Answer:

a) 148.26 m

b) 21.94 degrees

Step-by-step explanation:

a)

tan 56 = 100/x

1.4826 = 100/x

x = 148.26

b)

148.26 + 100 = 248.26

tan y = 100/248.26

tan y = 0.4028

y = 21.94 degrees

4 0
3 years ago
A set of three scores consists of the values 3, 7, and 2. Σ2(X – 3) =
siniylev [52]

Answer:

6

Step-by-step explanation:

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5 0
2 years ago
Which of the following is not an identity?
OLga [1]
D. csc^2 x + sec^2 x = 1


The process for each option is to rewrite the equation, attempting to obtain the identity sin^2 x + cos^2 x = 1. In general convert each function to its equivalent using just sin and cos.


A. cos^2 x csc x - csc x = -sin x
cos^2 x * 1/sin x - 1/sin x = -sin x
(cos^2 x * 1/sin x - 1/sin x) * sin x = -sin x * sin x
cos^2 x * 1 - 1 = -sin^2 x
cos^2 x = -sin^2 x + 1
cos^2 x + sin^2 x = 1
Option A is an identity.


B. sin x(cot x + tan x) = sec x
sin x(cos x/sin x + sin x/cos x) = 1/cos x
cos x + sin^2 x/cos x = 1/cos x
cos^2 x + sin^2 x = 1
Option B is an identity.


C. cos^2 x - sin^2 x = 1- 2sin^2 x
cos^2 x - sin^2 x + 2sin^2 x = 1- 2sin^2 x + 2sin^2 x
cos^2 x + sin^2 x = 1
Option C is an identity.


D. csc^2 x + sec^2 x = 1
1/sin^2 x + 1/cos^2 x = 1
cos^2 x/(cos ^2 x sin^2 x) + sin^2 x/(cos^2 x sin^2 x) = 1
(cos^2 x + sin^2 x)/(cos ^2 x sin^2 x) = 1
1/(cos ^2 x sin^2 x) = 1
1 = cos ^2 x sin^2 x
Option D is NOT an identity.


6 0
4 years ago
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