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Whitepunk [10]
2 years ago
8

Priya found x=3 and x=-1 as solutions to 3x^2-6x-9=0. Is she correct sow how you know

Mathematics
1 answer:
olga55 [171]2 years ago
6 0

Answer:

Step-by-step explanation:

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Suppose that the functions g and h are defined for all real numbers r as follows. gx) -4x +5 h (x) = 6x write the expressions fo
aleksandr82 [10.1K]

Answer: Our required values would be -10x+5, 2x+5 and -25.

Step-by-step explanation:

Since we have given that

g(x) = -4x+5

and

h(x) = 6x

We need to find  (g-h)(x) and (g+h)(x).

So, (g-h)(x) is given by

g(x)-h(x)\\\\=-4x+5-6x\\\\=-10x+5

and (g+h)(x) is given by

g(x)+h(x)\\\\=-4x+5+6x\\\\=2x+5

and (g-h)(3) is given by

-10(3)+5\\\\=-30+5\\\\=-25

Hence, our required values would be -10x+5, 2x+5 and -25.

5 0
3 years ago
Which conversion factors are used to convert 4km/min to meters per hour?
gladu [14]
I think your answer would be 4,000
5 0
3 years ago
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Simplify fraction for 10/25
natulia [17]


2/5

5 goes into 10 2 times and into 25 5 times

5 0
3 years ago
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I will award 30 points to anyone that can solve this. If i fail i have to retake
Lemur [1.5K]

Answer: it’s all in the pictures hope this helps!!:)

Step-by-step explanation:

8 0
3 years ago
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A support wire that is attached from the top of an observation tower to 20 meters away on the ground. if the support wire and th
grandymaker [24]
<h3>What are trigonometric ratios?</h3>

Trigonometric ratios are defined as the ratio of different sides of a right angle triangle with respect to one angle of the right angled triangle.

Length of the wire = Hypotenuse of the triangle =  X

Base of the triangle = Distance from the bottom of the tower to the point where wire is attached on ground = 20 m

Angle b/w Hypotenuse and Base of triangle = 46°

cos(θ) = Base / Hypotenuse

cos(46) = 20 / X

X = 20 / cos(46)

X = 28.79 m

Hence, the length of the wire is 28.79 m.

Learn more about trigonometry on:

brainly.com/question/24349828

#SPJ4

4 0
2 years ago
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