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2 years ago

There are 11 reams of paper in a case. How many total reams of paper are in 12 cases?

Mathematics

1 answer:

s2008m [1.1K]2 years ago

8 0

Formula is:
Number of reams per case x number of cases

11 x 12 = 132 reams

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A dog trainer is trying to find a triangular area behind his house that encloses 1800 square feet for his dog to run. He has the

aliina [53]

Answer:

$C = (30,500)$

Step-by-step explanation:

Given

$Area = 1800ft^2$

$A = (6,0)$

$B = (0,25)$

$C(x,y) = (30,y)$

Required

Determine the coordinates of C

The area of triangle is calculated as thus:

$Area = \frac{|A_x(B_y - C_y) + B_x(C_y - A_y) + C_x(A_y - B_y)|}{2}$

This gives:

$1800= \frac{|6(25 - y) + 0(y - 0) + 30(0 - 25)|}{2}$

$1800= \frac{|6(25 - y) + 30(0- 25)|}{2}$

$1800= \frac{|6(25 - y) + 30(-25)|}{2}$

$1800= \frac{|150 - 6y -750 |}{2}$

$1800= \frac{|150 -750- 6y |}{2}$

$1800= \frac{|-600- 6y |}{2}$

Multiply through by 2

$2 * 1800= |-600- 6y|$

$3600= |-600- 6y|$

$3600= |-(600+ 6y)|$

$3600= 600+ 6y$

Solve for 6y

$6y = 3600 - 600$

$6y = 3000$

Solve for y

$y = 3000/6$

$y = 500$

Hence:

The point is:

$C = (30,500)$

7 0

3 years ago

If a phone card is usef to maje s long distance phone call yiu sre chsrged 0.75 per phone call plus an additional 0.20 per minut

Ksju [112]

Answer:

0.75+0.20m

Step-by-step explanation:

The start up price (0.75), plus the per min time, multiplied by the ammount of mins (m).

3 0

3 years ago

Read 2 more answers

Given YZ tangent to J at point Y, and the mWYZ =104 what is the mWXY

ElenaW [278]

Answer:

152

Step-by-step explanation:

$m \angle {WYZ}=104$ is given, and the angle next to it is a supplement. (Unfortunately, that angle can't be named in the usual way because there is no labeled point "southeast" of point Y.)

That angle has measure 180 - 104 = 76.

Now arc WXY's measure is <u>twice</u> the measure of this angle, so mWXY = 2(76) = 152.

5 0

3 years ago

Solve y + 8 < 13 <br> try y ? 7

Rudik [331]

Answer:

y<5

Step-by-step explanation:

y+8 < 13

y < 13-8

y < 5

8 0

2 years ago

List the first five multiples of 30

alisha [4.7K]

I guess this will help you

Step-by-step explanation:

30 , 60 , 90 , 120, 150

,LCM of 12 and 30 is 60

6 0

3 years ago

Read 2 more answers