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3 years ago

10

Which inequality represents all possible solutions of -18m<12?

1 answer:

grigory [225]3 years ago

4 0

Answer:

a.

Step-by-step explanation:

$-18m$

$\frac{-18}{-18} m$

$m>-\frac{12}{18}$

$m>-2/3$

I hope this help you

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The length of a rectangle is equal to three times it’s widt. If the perimeter is equal to 96 feet, what is the length of the rec

exis [7]

Answer:

12 feet

Step-by-step explanation:

If we use a rectangle. there would be 4 sides the length we can represent as x and the width would result as 3x. If we use the perimeter formula, we would get 8x. 8x would equal 96, the perimeter.

8x= 96

x= 12

The length would be 12

Hope this helped!! :D

4 0

3 years ago

On a standardized test, Rall answered the first 22 questions in 5 minutes. There are 77 questions on the test. If he continues t

Rasek [7]

Data:
Questions = 77
Anwered = 22
<span>Missing = 77 - 22 = 55
</span>
Solving:

Questions ________ Time
22 -------------------------- 5
55 -------------------------- t

<span>Multiply cross:
</span>
$22*t = 55*5$
$22t = 275$
$t = \frac{275}{22}$
$\boxed{t = 12,5minutes}$

3 0

3 years ago

Solve the system of equations by multiplying and adding. braceleftze −6x + 9y = −39 8x + y = 0 Write the solution as an ordered

Strike441 [17]

Answer:

$(\frac{1}{2},-4 )$

Step-by-step explanation:

the system of equations is:

$-6x+9y=-39\\8x+y=0$

First, we multiply the second equation by -9:

$-9(8x+9y=0)\\-72x-9y=0$

and now we add this to the first original equation:

$-6x+9y=-39\\-72x-9y=0\\-------\\-78x+0y=-39$

we have eliminated the y variable, so we can solve for x:

$-78x=-39\\x=-39/(-78)\\x=0.5=\frac{1}{2}$

with this value of x, we substitute it on the second of the original set of equations to find the value of y:

$8x+y=0\\8(0.5)+y=0\\4+y=0\\y=-4$

the answer as an ordered pair is:

$(\frac{1}{2},-4 )$

7 0

3 years ago

Determine whether the number is rational or irrational and round it to the nearest hundredth. - 3/7

ivann1987 [24]

Answer:

Yes, it's a rational number

Step-by-step explanation:

-3/7. It is a rational because. It can be written as p/q form. Where p/q are non zero number. And in decimal it would be -0.42

6 0

3 years ago

Read 2 more answers

Visitors to a carnival can buy an unlimited-ride pass for $50 or an entrance-only pass for $20. In one day, 282 passes were sold

baherus [9]

Answer:

The unlimited-ride passes sold are equal to 168

Step-by-step explanation:

According to given scenario:

x = unlimited-ride passes

y = entrance-only pass

Given that:

50x + 20y = 10,680 -------- eq1

x + y = 282 ------------ eq2

From eq2:

x = 282 - y

Putting value of x in eq1:

50(282 - y) + 20y = 10,680

By simplifying:

14,100 - 50y + 20y = 10,680

14,100 - 30y = 10,680

30y = 14,100 - 10680

30y = 3,480

Dividing both sides by 30

y = 114

Now put value of y in eq2:

x + 114 = 282

x = 282 - 144

x = 168

So, the unlimited-ride passes sold are equal to 168

i hope it will help you!

6 0

4 years ago

Read 2 more answers