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abruzzese [7]
4 years ago
13

Factor polynomial -3x^2-16x-5

Mathematics
1 answer:
forsale [732]4 years ago
8 0

Answer:

-(3x^2 + 16x + 5)

-(3x+1)(x+5)

Step-by-step explanation:

-1(3x^2+15x+x+5)

-1(3x^2+16x+5)

-3x^2-16x-5

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Need to finish in 2 hrs help please
kkurt [141]
The third one is a point with the first equation.

I had to simplify the second equation.

It simplified to,

y =  -  \frac{1}{4} x - 2
The second one with the above is didn't go through so I'd say no solution.
4 0
4 years ago
Can someone explain or help me out
Akimi4 [234]

Answer:

The bird has to fly 7.5 m

Step-by-step explanation:

Please see diagram in attached image.

Notice that there is a right angle triangle that defines the situation, and you know two elements of such triangle;

1) one acute angle (15^o), and

2) the side opposite to that angle.

What you need to find is the side adjacent to the angle, which is what the bird needs to fly horizontally to be above the fish. We named that "x".

The trig function that relates such triangle elements is the tangent:

tan(\theta)=\frac{opposite}{adjacent} \\tan(15^o)=\frac{2\,m}{x} \\x=\frac{2\,m}{tan(15^o)} \\x=7.46 \,\,m

which rounded to the nearest tenth is: 7.5 m

8 0
4 years ago
Find the Area Of this plz
Fofino [41]

Answer:

36

Step-by-step explanation:

The area is 36

3 0
3 years ago
Read 2 more answers
How do you solve this equation, 5s^2-14s-3=0
elena55 [62]
It's a quadratic equation. Solve it through factorisation.

5s^2 - 14s - 3 = 0
(5s + 1)(s - 3) = 0

5s + 1 = 0
or
s - 3 = 0

Therefore

s = -1/5
or
s = 3
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3 years ago
Two sides of a parallelogram are 9.5 feet and 6.1 feet. The measure of the angle between these sides is 20°. Find the area of th
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