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horrorfan [7]
3 years ago
13

Will GIVE BRAINLESTfactor this polynomial.......

Mathematics
1 answer:
larisa [96]3 years ago
8 0
Choice D
To factor a quadratic equation ax^2+bx+c, find two factors of a and write them in a column, one up, one down. Then find two factors of c and write them in a column. multiply the factors diagonally and add up the products to make b. if the products do not make b, switch the factors up down and try again till you have a match.
in this case,
-1 and 3 are the factors of -3, -5 and 1 are the factors of -15, -1 times 1 is 1, 3 times -5 is -15, -1 and -15 make a sum of -16. so you have (-1x-5)(3x+1)
take the negative sign out you have -(x+5)(3x+1)
I hope I've made myself clear.

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is the following statement sometimes,always or never true?negative - positive =negative defend your answer
Elanso [62]
It is always negative, because it keeps going down on the number line. Say it is negative 8 minus 5, it would be negative 13, because it adds to the negatives, so it would go deeper into the negatives.
7 0
3 years ago
Kevin cycles 18 miles every morning as part of his exercise. The time it takes him to complete the distance varies inversely as
Lelechka [254]

Answer:

The T = \frac{18}{m} best models the amount of time it takes him to finish with kelvin cycling .

Option (A) is correct.

Step-by-step explanation:

As given

Kevin cycles 18 miles every morning as part of his exercise.

The time it takes him to complete the distance varies inversely as the speed at which he rides.

Time \propto \frac{1}{Speed}

Time = \frac{Distance}{Speed}

As m miles per hour is represented the speed.

T is the time taken by Kevin cycle for morning exercise .

Distance = 18

Putting the values in the above

T = \frac{18}{m}

Therefore the T = \frac{18}{m} best models the amount of time it takes him to finish with kelvin cycling .

Option (A) is correct.




6 0
3 years ago
Read 2 more answers
How many blocks are needed for the 5th example?​
JulsSmile [24]

Answer:

5th example: 28 blocks.

24th example: 123 blocks.

Step-by-step explanation:

Hope this helped!

7 0
3 years ago
Someone Please Help a
valentinak56 [21]

1.

x  y

0  0

1  2

2  4

3  6

2. y = 2x+0 (or just y = 2x )

3. The slope is 2

Hope this helped!

6 0
3 years ago
because the angles in a rectangle are 90 degrees it is not a parallelogram true or false? please explain why
ra1l [238]
<span>A parallelogram is a 4-sided shape where opposites sides are parallel. A rectangle is a special case of a parallelogram. All rectangles are parallelograms.

But a rectangle is a shape where opposites sides are parallel *and* all the corners are 90 degree angles. So you can't say that all parallelograms would be rectangles. Some parallelograms would be rectangles, but not all.

Rectangles are a subset of the shapes called parallelograms. But parallelograms are *not* a subset of the shapes called rectangles.

It's similar to saying all cars are vehicles. But you can't say that all vehicles are cars. </span>
6 0
4 years ago
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