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harkovskaia [24]
3 years ago
14

How do i prove this?

Mathematics
1 answer:
Radda [10]3 years ago
4 0

you first have to simfly in the partithies always then solve and prove done!

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Find m<br> measure of angle YQR=? Degrees
Nimfa-mama [501]

Answer:

21°

Step-by-step explanation:

Since these are both equivalent right triangles, ∡RQY and ∡PQY are the same. So set them equal to each other.

16x-27=5x+6

x=3

Next plug x into ∡RQY

16(3)-27=21°

7 0
3 years ago
4k-(3+3k)&gt;2<br>solving inequalities, help please
nikdorinn [45]
4k-3-3k>2
1k-3>2
1k>5
k>5
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If you want to find the answer to a question about grammar, usuage, or mechanics, for your formal writing, which professional re
Leto [7]
A is the correct answer

6 0
3 years ago
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The Discriminant of a quadratic equation is -6. What types of solutions does the equation have?
erastovalidia [21]

Answer:

2 complex conjugates

Step-by-step explanation:

The discriminate is the part of the quadratic formula that is under the radical sign.  If the discriminate is negative, that means that the solutions, both of them, are complex conjugates, aka imaginary solutions.

5 0
3 years ago
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A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9
o-na [289]

Answer:12.74 ft^2/s

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let \thetais the angle between them thus

Area of triangle when two sides and angle between them is given

A=\frac{ab\sin C}{2}

A=\frac{5\times 7\times \sin \theta }{2}

Differentiate w.r.t time

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}

at \theta =\frac{\pi }{5}

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9

\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s

4 0
3 years ago
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