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Eva8 [605]
3 years ago
14

Help please last question!!!

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0

Answer:

71°

Step-by-step explanation:

Because the y is the same angle to another so , if you look to the choices you see that th last 2 choices it's wrong because it's an impossible to be that

and 38° the same state then the answer is 71°.

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( -5/3 ) exponent 2 = ?
ziro4ka [17]

Answer:

25/9

Step-by-step explanation:

I did it on mathaway

4 0
2 years ago
Read 2 more answers
Ray industries bought a touchscreen monitor for $1200 it is expected to depreciate at a rate of 25% per year what was the value
max2010maxim [7]

So for this problem, we will be using the exponential equation format, which is y = ab^x. The a variable is the initial value, and the b variable is the growth/decay.

Since our touchscreen starts off at a value of 1200, that will be our a variable.

Since the touchscreen is decaying in value by 25%, subtract 0.25 (25% in decimal form) from 1 to get 0.75. 0.75 is going to be your b variable.

In this case, time is our independent variable. Since we want to know the value 3 years from now, 3 is the x variable.

Using our info above, we can solve for y, which is the cost after x years.

y=1200*0.75^3\\y=506

In context, after 3 years the touchscreen will only be worth $506.

7 0
3 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
PLZ HELP ME ILL MARK BRAINLEIST!!!!!!!!!!!!
FrozenT [24]

Answer:

B. ∠1 and ∠8 are parallel

Step-by-step explanation:

identification from the image.

8 0
2 years ago
Read 2 more answers
Which measure is a measure of center?
jok3333 [9.3K]
The Measures of Centrality are:
Mode, Median and Mean

From your list of answers therefore, it is the "mode".
6 0
3 years ago
Read 2 more answers
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