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Sloan [31]
3 years ago
13

 which equation represents the function in the table?

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Substitute the value of x in each function and check if it's equal to it's corresponding value of y.

Correct me if I'm wrong. I hope it helps.

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If cos 90 degress = 0 then sin 0 degrees =
Dennis_Churaev [7]

we are given

cos(90)=0

we can use formula

cos(90-\theta)=sin(\theta)

we can rewrite it as

cos(90-0)=sin(0)

so, we get

cos(90)=sin(0)

we can plug back cos(90)

cos(90)=sin(0)=0

so,

sin(0)=0............Answer

7 0
3 years ago
A boat looks up at a light house at an angle of elevation of 23.If the top of the lighthouse is 450 feet higher than sea level,
Oksi-84 [34.3K]

Answer:

1060 feet

Step-by-step explanation:

A boat looks up at a light house at an angle of elevation of 23.If the top of the lighthouse is 450 feet higher than sea level, what is the horizontal distance from the boat to shore?

We solve the above question using the Trigonometric function of Tangent

tan x = Opposite/Adjacent

x = Angle of Elevation = 23°

Opposite = 450 feet

Adjacent = The horizontal distance from the boat to shore = y

Hence,

tan 23 = 450/y

Cross Multiply

tan 23 × y = 450

y = 450/tan 23

y = 1060.1335646 feet

Approximately = 1060 feet

Therefore, the horizontal distance from the boat to shore is 1060 feet

5 0
3 years ago
Let f(x) = x 2+ 3x What is f(-1) ?
natali 33 [55]
F (-3) = 11!!!!!!!!!!!!!!!
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A rectangle has an area of 12 square centimeters and a perimeter of 16 centimeters. which of the following couldd be its dimensi
ryzh [129]

Answer:

a 2 cm and 6 cm

Step-by-step explanation:

The product of the dimensions must be 12 cm². (All answer choices meet that requirement.)

Opposite sides of a rectangle are the same length, so the sum of the two dimensions must be half the perimeter, 8 cm. The sums of the answer choices are ...

8 cm

7 cm

9.5 cm

13 cm

Only the first answer choice meets the requirement for a perimeter of 16 cm. The dimensions could be 2 cm and 6 cm.

3 0
3 years ago
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A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of them have pet dogs. How many s
katrin2010 [14]

Answer:B-196

Step-by-step explanation:(24/60)=0.4

490x0.4=196

5 0
4 years ago
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