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pav-90 [236]
3 years ago
7

HELP I NEED HELP ASAP

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
6 0

Answer:

C) 8s-8

Step-by-step explanation:

2(3s-4+s) = 8s-8

DerKrebs [107]3 years ago
5 0
The answer is d

Explanation:
The perimeter of the triangle is a+b+c
So you should add them together
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Solve 76+45+98+76-7=
Olin [163]

Answer:

288

Step-by-step explanation:

76+45=121

121+98=219

219+76=295

295-7=288

7 0
3 years ago
Read 2 more answers
2 trig ratios missing sides and angels
ivanzaharov [21]

Answer:

D

Step-by-step explanation:

Using the cosine ratio in the right triangle.

cos66° = \frac{adjacent}{hypotenuse} = \frac{13}{x} ( multiply both sides by x )

x × cos66° = 13 ( divide both sides by cos66° )

x = \frac{13}{cos66} ≈ 32.0 ( to the nearest tenth )

8 0
2 years ago
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.<br> r = 9 sin 7θ
boyakko [2]

Answer:

The given function symmetric about the y-axis.

Step-by-step explanation:

The given function is

r=9\sin 7\theta                .... (1)

1. Symmetry about the x-axis: If the point (r, θ ) lies on the graph, then the point  (r,-θ ) or (-r, π - θ ) also lies on the graph.

2. Symmetry about the y-axis: If the point (r, θ ) lies on the graph, then the point (r,π - θ ) or (-r, -θ ) also lies on the graph.

3. Symmetry about the origin: If the point (r, θ ) lies on the graph, then the point (-r, θ ) or (r, π + θ ) also lies on the graph.

Put (r, -θ ) in the given function.

r=9\sin 7(-\theta)=-9\sin 7\theta=-r\neq r

Therefore it is not symmetric about x-axis.

Put (-r, -θ ) in the given function.

-r=9\sin 7(-\theta)=-9\sin 7\theta=-r

Therefore it is symmetric about y-axis.

Put (-r,θ ) in the given function.

-r=9\sin 7(\theta)=r\neq -r

Therefore it is not symmetric about the origin.

3 0
3 years ago
What is value of x? Please help! Will reward
Andre45 [30]
X = 50
.................
8 0
3 years ago
The distance between Walmart and Mrs. Stivers house is 8km. There are 1.6
BlackZzzverrR [31]

Answer:

5 miles

Step-by-step explanation:

Divide 8 by 1.6 and the answer is 5. I hope this helped:)

3 0
3 years ago
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