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3 years ago

Which of these division problems has a quotient of -7 2/9?

Mathematics

1 answer:

Lapatulllka [165]3 years ago

3 0

Answer:

$- 7 \frac{2}{9} = \frac{ - 65}{9}$

it's answer B

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Factor -45x^3-60x^2-20x

spayn [35]

Answer:

-5x(3x+2)²

Step-by-step explanation:

Factoring the given expression:

-45x³ - 60x² - 20x =
-5x(9x² + 12x + 4) =
-5x(9x² + 6x + 6x + 4) =
-5x(3x(3x + 2) + 2(3x + 2))
-5x(3x + 2)(3x + 2)
or
-5x(3x+2)²

3 0

3 years ago

Read 2 more answers

The equation A = p + prt is used to find the accumulated amount, A, of an investment with principal, P, a certain interest rate,

Whitepunk [10]

Answer:

r equals start fraction cap a minus p over p t end fraction

Step-by-step explanation:

Subtract the term non containing r, then divide by the coefficient of r.

$A=p+prt\\\\A-p=prt\\\\\dfrac{A-p}{pt}=r$

4 0

3 years ago

Xavier traveled 8,658 miles in 17 days. On average, how many miles per day did he travel

OLEGan [10]

Answer:

509.3 miles

Step-by-step explanation:

divide 8658 by 17 to get 509.294117647

round that number to get your answer 509.3

5 0

3 years ago

HELP PLEASE ASAP

Pie

$\bold{\huge{\underline{ Solution }}}$

We have, 

Line segment AB
The coordinates of the midpoint of line segment AB is ( -8 , 8 )
Coordinates of one of the end point of the line segment is (-2,20)

Let the coordinates of the end point of the line segment AB be ( x1 , y1 ) and (x2 , y2)

Also, 

Let the coordinates of midpoint of the line segment AB be ( x, y)

We know that,

For finding the midpoints of line segment we use formula :-

$\bold{\purple{ M( x, y) = }}{\bold{\purple{\dfrac{(x1 +x2)}{2}}}}{\bold{\purple{,}}}{\bold{\purple{\dfrac{(y1 + y2)}{2}}}}$

According to the question,

The coordinates of midpoint and one of the end point of line segment AB are ( -8,8) and (-2,-20) .

For x coordinates :-

$\sf{ -8 = }{\sf{\dfrac{(- 2 +x2)}{2}}}$

$\sf{2}{\sf{\times{ -8 = - 2 + x2 }}}$

$\sf{ - 16 = - 2 + x2 }$

$\sf{ x2 = -16 + 2 }$

$\bold{ x2 = -14 }$

For y coordinates :-

$\sf{ 8 = }{\sf{\dfrac{(- 20 +x2)}{2}}}$

$\sf{2}{\sf{\times{ 8 = - 20 + x2 }}}$

$\sf{ 16 = - 20 + x2 }$

$\sf{ y2 = 16 + 20 }$

$\bold{ y2 = 36 }$

Thus, The coordinates of another end points of line segment AB is ( -14 , 36)

Hence, Option A is correct answer

7 0

3 years ago

Ming plays video games online.

Vlad1618 [11]

Ming needs to play for 15 hours to get 500 points. They gave him 200 for signing up, so 500-200=300 more points needed. 300 divided by 20= 15 more hours.

7 0

4 years ago

Read 2 more answers