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3 years ago

Six times the sum of a number and twelve is forty. Which equation represents this?

Mathematics

1 answer:

Anton [14]3 years ago

7 0

Step-by-step explanation:

40=6x+12

we know the total of everything is 40, so out that on one side.

1. Let the number be X

Therefore, six times the sum=6x

and twelve

so, 6x+12

put that together,

6x+12=40

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Factor these trinomials <br> x^2+5x+6

Lelu [443]

Answer:

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(x+2)(x+3)

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2 years ago

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3 years ago

Helppp! Again! Please!!

erastovalidia [21]

Answer:

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3 years ago

I need to find the answer to 2/3 - 1/5. What is it?

Hunter-Best [27]

2/3 - 1/5

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4 0

3 years ago

6. Ed drives from Jefferson to Holden, a distance of 250 miles. He then travels on to

andreev551 [17]

Answer:

The constant speed with Ed is travelling is 60 mile per hour

Step-by-step explanation:

Given as :

The distance cover to travel from Jefferson to Holden is (D1) 250 miles

The distance cover to travel from Holden to Paxton is (D2) 50 miles

Total time taken to complete entire journey = T = 5 hours

Let The constant speed of Ed = S mph

Time = $\frac{Distance}{Speed}$

Or, Time = $\frac{D1}{S}$ + $\frac{D2}{S}$

Or, 5 hour = $\frac{250}{S}$ + $\frac{50}{S}$

Or, 5 × S = 250 + 50

So, 5 × S = 300

∴ S = $\frac{300}{5}$

I.e S = 60 mph

Hence , The constant speed with Ed is travelling is 60 mile per hour Answer

6 0

3 years ago