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Arturiano [62]
4 years ago
13

Whats equivalent expression to 48j+36 with __(4j+__)

Mathematics
2 answers:
Stells [14]4 years ago
6 0
12(4j+3)

because both are divisible by 12
romanna [79]4 years ago
3 0
48j+36 is equivalent, or equal, to ___(4j+___)

So, to find out our answer, we would look at 48j and 4j, and see what number times 4 equals 48. Our number would be 12, because 12 × 4 = 48, which works with our equation.

So now we have: 48j+36 =  12(4j+__)

Now, we look at 36 and 12. What times 12 equals 36?? 3

So, our answer would be:

48j+36 = 12 (4j+3)

Simplify the answer to check our work.

48j+36 = 48j+36

So, our answer is 12 (4j+3)

~Hope I helped!~
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A certain quantity decays exponentially over time. The initial quantity at t = 0 is 1,000. The quantity decays at a rate of 2%.
PtichkaEL [24]
A=1000(1-0.02)^4
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4 years ago
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72 is what percent of 90?
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The Williams family and the Robinson family each used their sprinklers last summer. The water output rate for the Williams famil
lisov135 [29]

Answer

The Williams family used their sprinkler for 40 hours.

The Robinson family used their sprinklers for 35 hours.

Explanation

Let the number of hours that the Williams family used their sprinklers be x hours

Let the number of hours that the Robinson family used their sprinklers be y hours

They both use their sprinklers for a combined total of 75 hours

x + y = 75 (equation 1)

And this resulted in a combined total water output of 2225 L

If the Williams used their 25 L per hour sprinkler for x hours,

Total water output for the Williams family = (25) (x) = (25x) L

If the Robinson used their 35 L per hour sprinkler for y hours,

Total water output for the Robinson family = (35) (y) = (35y) L

But, their combined total water output is 2225 L

25x + 35y = 2225 (equation 2)

x + y = 75

25x + 35y = 2225

On solving this simultaneous equation, we obtain that

x = 40 hours

y = 35 hours

Hope this Helps!!!

4 0
1 year ago
CAN SOMEBODY PLEASE HELP ME?!
AleksAgata [21]

Answer:

y - 18 = -1.5(x - 12)

Step-by-step explanation:

A = (12, 18)

B=(1.25(12), 0.75(18)) = (15, 13.5)

 

Find slope:  m = (13.5-18)/(15-12) = (-4.5)/3 = -1.5

 

Point slope form:  y - y1 = m(x - x1)

Using point A as (x1, y1)

 

y - 18 = -1.5(x - 12)

6 0
3 years ago
52 is what percent of 78?
irakobra [83]

52 is 66.67% of 78?

hope this is right

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3 years ago
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