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statuscvo [17]
3 years ago
13

Need this done quick, ty!

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
3 0

Answer:

f (-3) = 7

Step-by-step explanation:

Shown in the picture

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Eliminate the parameter. x = 1/2t, y = 3t^3 - 1
Elis [28]
X = t/2. t = 2x
y = 3t^3 - 1
y = 3(2x)^3 -1

y = 24x^3 -1
4 0
3 years ago
Triangle ABC is a non-right triangle with Angle C = 117, a = 12, and b = 18. Find Angle B to the nearest tenth.
qwelly [4]

Using the law of cosines and sines, the measure of angle B is: 38.4°.

<h3>What is the Law of Cosines and Sines?</h3>

Law of cosines is: c = √[a² + b² ﹣ 2ab(cos C)]

Law of sines is: sin A/a = sin B/b = sin C/c

Use the law of cosines to find c:

c = √[12² + 18² ﹣ 2(12)(18)(cos 117)]

c ≈ 25.8

Use the law of sines to find angle B:

sin B/b = sin C/c

sin B/18 = sin 117/25.8

sin B = (sin 117 × 18)/25.8

sin B = 0.6216

B = sin^(-1)(0.6216)

B = 38.4°

Learn more about the law of cosines on:

brainly.com/question/23720007

#SPJ1

5 0
2 years ago
Please help me!! I don’t know how to do this
Hatshy [7]
If you look at the rectangle properly, you can see that the diagonal creates two triangles, and if we only focus on one triangle, we can see that the bad of the triangle is 7 and the perpendicular height is 4

Using Pythagorean theorem we can figure out the hypotenuse, or the diagonal
C squared is equal to a squared plus b squared

7^2+4^2 is 65

Square root of 65 is 8.1
3 0
3 years ago
Can some one hel me plz.
alekssr [168]
1.4,6,8
2.3,7,1 that how you get your answer
5 0
3 years ago
WHAT IS QUARTER OF 74?
kondaur [170]

Answer:

18.5

Step-by-step explanation:

I majored on Mathematics

3 0
2 years ago
Read 2 more answers
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