3 years ago

What is the sum of two consecutive numbers is 141

1 answer:

6 0

Two consecutive numbers can be written as:
x , x+1

So their sum being 141
x + x +1 = 141

Combine and solve for c

2x = 140
x = 70

So two numbers are:

70,71

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Justin will rent a car for the weekend. He can choose one or two plans. The first plan has an initial fee of $75 and cost an add

murzikaleks [220]

To find when their costs will be same, we can set them equal to each other.

While writing the equation, we need to take into account that one plan has a base payment of 75 no matter how much Justin drove. And there are changeable values which are effected by the x, the miles driven by Justin.

So the equation is $0.80x + 75 = 0.90x$

When we subtract $0.80x$ from both sides: $0.10 \times = 75$

Divide both sides by $0.1$ : $x = 750$

He needs to drive 750 miles to make 2 plans' cost equal.

3 0

3 years ago

Need help asap show your work

Monica [59]

To find the volume we use an equation:

volume = length x width x height

Since this shape is a cube, you only need to know one side to find the volume since all of the sides are equal.

So all you need to find the volume is to multiply 4(1/2) which I am going to simplify to 4.5, is plug it into the equation.

volume = 4.5 x 4.5 x 4.5

Which will get you an answer of 91.125 inches cubed

$91.125in^{3}$