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4 years ago

10

your teacher has 36 carpet squares. She needs to make a new arrangement for the reading carpet what are all of the different way

s she could arrange the carpet square?

1 answer:

Simora [160]4 years ago

6 0

3 rows of 12

9 rows of 4

2 rows of 18

6 rows of 6

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Beakers X and Y contain some water. If 50 ml of water is transferred from Beaker X

eduard

Answer:

140 ml

Step-by-step explanation:

Let x be the amount of water in Beaker X and y be the amount of water in Beaker Y.

<u>Then we get following equations:</u>

<u>First part</u>

x - 50 = 3/7(y + 50)
7x -350 = 3y + 150
7x = 3y + 500

<u>Second part</u>

x + 100 = 4(y - 100)
x + 100 = 4y - 400
x = 4y - 500

<u>Substitute x in first equation:</u>

7(4y - 500) = 3y + 500
28y - 3500 = 3y + 500
28y - 3y = 500 + 3500
25y = 4000
y = 4000/25
y = 160 ml

<u>Then finding x:</u>

x = 4*160 - 500
x = 640 - 500
x = 140 ml

Initial amount of water in Beaker X is 140 ml, in Beaker Y is 160 ml

4 0

4 years ago

Solve each quadratic equation. Show your work.<br> x^2 + 3x = 10

Oxana [17]

$x^{2} +3x=10$
$x^{2} +3x-10=0$
$x^{2} +5x-2x-10=0$
x(x+5)-2(x+5)=0
(x-2)(x+5)
x=2, x=-5

6 0

3 years ago

Read 2 more answers

Write the equation of the line -6x – 4y = 28 in slope-intercept form

goblinko [34]

Answer:

y=-3/2x-7

Step-by-step explanation:

8 0

3 years ago

Find the slope a) -5, b) -1/5, c)5, d) 1/5,

Arturiano [62]

Answer:

The slope is a) -5.

Step-by-step explanation:

(-6, -4)

(-5, -9)

the difference in slope is $\frac{-9 - (-4)}{-5 - (-6)} = \frac{-9 + 4}{-5 +6} = \frac{-5}{1} = -5$

7 0

3 years ago

A parachutist's rate during a free fall reaches 180 kilometers per hour. What is this rate in meters per second? At this rate, h

Bumek [7]

Answer:

50 m/s

250 m

Step-by-step explanation:

180 km/hr × (1000 m / km) × (1 hr / 3600 s) = 50 m/s

50 m/s × 5 s = 250 m

5 0

3 years ago