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2 years ago

Consider the equation 3p – 7 + p = 13. What is the resulting equation after the first step in the solution?

Mathematics

2 answers:

USPshnik [31]2 years ago

8 0

Add 7 to both sides of the equation so the 2nd step would be
3p-7+7 +p=13+7

gulaghasi [49]2 years ago

5 0

3p-7+p=13 ok so you will want to add 3p to 1p if there's only a variable then there a invisible 1 in front of it so you'll add 3 to 1 wich is 4 so now your problem Is now 4p-7=13 you then make the negative 7 to a positive 7 so now your going to add 13+7 wich equals 20 now you divide 20 by 4 wich gives you 5

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A certain ferry moves up and down a river between Town A and B. It takes the ferry two hours to travel to Town A and only an hou

Y_Kistochka [10]

Answer:

The distance between two cities is 60 miles.

Step-by-step explanation:

Time taken to travel from B to A = 2 hours

Time taken to travel from A to B = 1.5 hours

Current speed = 5 mph

Let the speed of ferry in still water = u mph

When the ferry moves with the current, it will taken lesser time (i.e. A to B) and when it moves against the current it will take more time (i.e. B to A).

Let the distance between the two cities A and B = D miles

While moving with the current, speed = $(u+5)\ mph$

While moving against the current, speed = $(u-5)\ mph$

Formula for Distance = Speed $\times$ Time

Distance traveled in each case is same i.e. D.

So,

$D = (u+5) \times 1.5 = (u-5) \times 2\\\Rightarrow 1.5u+7.5=2u-10\\\Rightarrow 0.5u =17.5\\\Rightarrow u = \dfrac{175}{5}\\\Rightarrow u = 35 \ mph$

Now,

$D = (u+5) \times 1.5\\\Rightarrow D =(35+5) \times 1.5\\\Rightarrow D =(40) \times 1.5\\\Rightarrow \bold{D =60\ miles}$

So, the distance between two cities is 60 miles.

6 0

2 years ago

Four students, Jackson, Chloe, Lydia, and Noah, line up one behind the other. How

faltersainse [42]

4^4 = 256

So 256 ways

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2 years ago

At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.08 and the probability that the flight

notka56 [123]

Answer:

0.74

Step-by-step explanation:

Probability that it will rain: 8%

Probability that the flight will be delayed: 14%

Probability that it rains and the fight is delayed: 4%

8%+14%+4% =26%

so the answer is 74% or 0.74

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2 years ago

What is the circumference of a circle with a diameter of 45 centimeters?

zysi [14]

It is 141.4 centimetres. This is because the circumference is obtained by multiplying pi with the diameter.

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1 year ago

Read 2 more answers

A deli offers lunch special that comes with soup a sandwich and a dessert the soup choices are tomato or onion the sandwich choi

stich3 [128]

So to solve this you would make a tree with the first soup choices branching off into the other choices. Then when you wrote down all the possibilitys you would count all them and get your answer or you could just do 2*4*2=16
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2 years ago