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Ket [755]
2 years ago
15

Which point is located on the y-axis of a coordinate grid?​

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
7 0
The point on the y-axis is D. (0;-2)
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HELP ME PLZZ I NEED HELP WITH THIS
Ulleksa [173]

Answer:

25 + 11 hope this helps

Step-by-step explanation:

answer is the third one

8 0
2 years ago
Prove these identities <br>(i) secx cosecx - cotx = tanx<br>​
brilliants [131]

Answer:

(A)\frac 1 {cosx} \frac 1 {sin x}  - \frac {cosx} {sin x} = \frac {sin x} {cosx} \\\\(B)\frac{1-cos^2 x }{cos x sin x} = \frac {sin x} {cosx} \\\\(C) \frac{(sin^2x + cos^2x)-cos^2 x }{cos x sin x} = \frac {sin x} {cosx} \\\\(D) \frac{sin^2x }{cos x sin x} = \frac {sin x} {cosx}\\\\(E)\frac {sin x}{cos x} = \frac {sin x}{cos x}

In step A, you replace all trigonometric functions with their definitions in terms of sine and cosine.

In step B, you add the two together as you add fractions.

In step C, you replace 1 with the sum of the squares of sine and cosine.
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In step E, finally, you divide numerator and denominator by sin x.

3 0
2 years ago
25 decreased by the product of a number and 3
Virty [35]

Answer:

25-3x

Step-by-step explanation:

3 0
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Please help!<br><br> Answers:<br> 15<br> 70<br> 55<br> 105
yulyashka [42]
Equation:
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7 0
3 years ago
The area of a circle is 81 ft 2 . What is the π circumference? Leave in terms of Pi.
KonstantinChe [14]

Answer:

10.2π

Step-by-step explanation:

Given data

Area of circle=  81 ft^2

Also, the expression for the area of a circle is

A=πr^2

substitute

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square both sides

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substitute

C= 2*π*5.1

C= 10.2π

Hence the circumference is 10.2π

7 0
2 years ago
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