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3 years ago

Which expression converts 100 inches per minute to feet per minute?

Mathematics

2 answers:

sineoko [7]3 years ago

8 0

Answer:

It's not listed precisely, but basically, it would be 1 foot / 12 inches

Step-by-step explanation:

svet-max [94.6K]3 years ago

5 0

100 inches is the correct answer

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The sum of three numbers is 3068.Two of the numbers are 1266 and 1755,find the third number

ratelena [41]

Answer:

The third number is 47.

Step-by-step explanation:

The sum of three numbers is 3068 - this can be expressed mathematically as:

$\displaystyle{x + y + z = 3068}$

Given that two of the numbers are 1266 and 1755 (in order) then substitute x = 1266 and y = 1755:

$\displaystyle{1266 + 1755 + z = 3068}$

Find the third number - solve for z-variable:

$\displaystyle{3021 + z = 3068}\\\\\displaystyle{z = 3068-3021}\\\\\displaystyle{z = 47}$

Therefore, the third number is 47.

3 0

2 years ago

Read 2 more answers

The slope of the graph of y = x is 0 2 1 Ο Ο -2

sveticcg [70]

Answer:

I think the answer is 1.

If it is wrong sorry

7 0

3 years ago

Write the equation of a line perpendicular to 9xplus7yequals6 that passes through the point (9,negative 7).

andrew11 [14]

$k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\k\ ||\ l\iff m_1=m_2\\\\k\ \perp\ l\iff m_1m_2=-1$

We have:

$k:\ 9x+7y=6\ \ \ |-9x\\\\7y=-9x+6\ \ \ \ |:7\\\\y=-\dfrac{9}{7}x+\dfrac{6}{9}\to m_1=-\dfrac{9}{7}\\\\l:\ y=m_2x+b\\\\l\ \perp\ k\iff-\dfrac{9}{7}m_2=-1\ \ \ \ |\cdot\left(-\dfrac{7}{9}\right)\\\\m_2=\dfrac{7}{9}\to\ l:\ y=\dfrac{7}{9}x+b$

We know. The line l passes throught the point (9, -7). Substitute the coordinates of the poin to the equation of line l :

$-7=\dfrac{7}{9}\cdot9+b\\\\-7=7+b\ \ \ \ |-7\\\\b=-14$

$y=\dfrac{7}{9}x-14\ \ \ \ |\cdot9\\\\9y=7x-126\ \ \ \ |-9y\ |+126\\\\7x-9y=126$

Answer: $y=\dfrac{7}{9}x-14\to7x-9y=126$

7 0

3 years ago

Details pls not short answer

Ksenya-84 [330]

Answer:

see explanation

Step-by-step explanation:

Given that Bilal is age y and his mother is 25 years older, then

a. Bilal's mothers age is y + 25

b. the sum of their ages = y + y + 25 = 2y + 25

c. Mother is y + 25 = 12 + 25 = 37 years

3 0

3 years ago

Read 2 more answers

The volume of the cone is 294.38 cm the radius of the base is 7.5 cm which one of the following could be the height of the cone?

drek231 [11]

The volume of a cone is 1/3 pi*r^2 * h. Rearranging for height gives h = 3v / pi*r^2 = (3*294.38) / (3.14*7.5^2) = 5.00 (answer B)

3 0

3 years ago