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3 years ago

Suppose the point (a, b) lies in the first quadrant. Describe how you would move

Mathematics

1 answer:

RUDIKE [14]3 years ago

8 0

Answer:

To move from (a, b) to (a, -b) move down 2b. The point (a, -b) would be in quadrant 4 and would be a reflection across the x-axis of the point (a, b)

Step-by-step explanation:

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What is the mean "6 5 6 1 5 5 0"

yulyashka [42]

Answer:

the mean is 4

Step-by-step explanation:

add 6+5+6+1+5+5+0=28

then divide 28 by how many numbers there are so it would be 7 numbers

28 divided by 7 equals 4

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3 years ago

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Write the polynomial as a product: p^2q+r^2–pqr–pr<br> Thanks so much! Love you all who help!

Anarel [89]

Factor the equation so...
(r^2-pr) and (p^2q-pqr)

Factor out (r^2-pr) = r(r-p)
Factor out (p^2q-pqr) = pq(p-r)

Add a negative to r(r-p) to make it -r(p-r)

(pq-r)(p-r) is the answer... I'm sorry I can't explain things well, but I tried.

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3 years ago

Order the group of parabolas from widest to narrowest.

Mamont248 [21]

Answer:

$\large\boxed{y=\dfrac{1}{4}x^2,\ y=-\dfrac{1}{2}x^2,\ y=\dfrac{3}{2}x^2}$

Step-by-step explanation:

The equation of a parabola: y = ax²

The larger the value of |a|, the narrower the parabola.

We have the following coefficients a:

$\left|\dfrac{1}{4}\right|=\dfrac{1}{4},\ \left|-\dfrac{1}{2}\right|=\dfrac{1}{2},\ \left|\dfrac{3}{2}\right|=\dfrac{3}{2},$

We arrange the coefficients from the smallest to the largest:

$\dfrac{1}{4}\$

Therefore you have the answer:

$y=\dfrac{1}{4}x^2,\ y=-\dfrac{1}{2}x^2,\ y=\dfrac{3}{2}x^2$

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3 years ago

What is 54% as a fraction?

densk [106]

54% = 54/100 = 27/50

Answer: 27/50

Hope it helped :)

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3 years ago

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X^2-11x+30=2 <br> Solve using quadratic formula or factoring

Pavel [41]

X^2-11x+28=0

(x-7)(x-4)=0

x-7=0
x=7

x-4=0
x=4

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3 years ago