A chemist has several beakers full of different liquids that he will use to make a solution. The chemist records the amount of liquid in each beaker: 0.7 millimeters, 66.612 millimeters, 293.18 milliliters, and 0.9 millimeters. How many milliliters of solution will the chemist have after he mixes together the liquids in the beakers?

Answers

Answer 1

Answer:

Answer:

que el Perú es mejor en el fre firme xd perdón solo es broma

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How many solutions exist for the given equation?

1/2
(x + 12) = 4x – 1

Answers

There are two ways to look at this, one is by solving this and the other is by looking at the variable

First, if we want to solve it, we would take our equation, (i like decimals) .5(x+12)=4x-1 and distribute the .5 to both things in the parentheses. when we do that we get .5x+6=4x-1. now we get our variables to the same side by subtracting .5x from both sides. When we do this, we are left with 6=3.5x-1. next we add 1 to each side and get 7=3.5x. Now we divide each side by 3.5, and get x=2. Now we have to plug it into the original equation and get .5(2+12)=4(2)-1. when we simplify this we get .5(14)=7, which goes to 7=7. this is a true statement, so we know that x=2. since we only have one value for x, we know the answer is that only one solution exists.

Another way that is simpler, but not always accurate, is to look at the variable. There can only be as many solutions for x as the highest exponent x is to, in this case, x has no exponent so there can't be more than one solution, so we say that it has one solution. This way is a lot faster, but can be wrong if the equation has a false solution. This false solution happens when you solve the equation and get a value, but it doesn't work for the original equation.

The second way is a lot faster, but the first way will always give you the right answer

Answer:

One solution, option B for edge2020

Step-by-step explanation:

What is the average rate of change of h over the interval 5 ≤ t ≤ 9 ?

Answers

Answer:

5 because its greatest

Answer:

8!-4!

6!+6?+72817#8288288#+287228282272777337

The distance between each base on a baseball field is 90 feet. what is the approximate distance from second base to home plate 90 ft

127.3 ft

140.2

180 ft

Answers

Answer:

Option B. 127.3 ft.

Step-by-step explanation:

In the diagram attached, we can see the locations of 1st base, 2nd base, 3rd base and Home plate.

Since these four points form a square of which diagonals are equal in size.

So if we find the distance between 1st and 3rd base that will be equal to the distance between Home plate to the second base.

By applying "Pythagoras Theorem"

Distance between 2nd base and Home plate =

$\sqrt{(90)^(2) }+(90)^(2)=90√(2)$

= 90 × 1.414 = 127.3 ft.

The distance from second base to home plate is 127.3 ft.

The answer is 127.3 feet

A carpenter installed 10 windows in 4 hours.another carpenter installed 50 windows in 20 hours. Are the two carpenters working at the same rate?explain

Answers

Yes they are working at the same rate because 4x5=20 and 10 windows every four hours and 5x10= 50 so they are both working at the same rate. Or here is another answer, They are working at the same rate because one was doing 10 windows every four hours and one did 50 windows in 20 hours, so 4 x 5= 20 which is the amount of hours the other carpenter was doing so 5x10 for every four hours, and that equals 50 so they were both working at the same rate. Hope I helped :)

10/4=2.5
50/20=2.5

both carpenters are working at the same speed rate as 2.5=2.5

Rewrite the following quadratic functions in intercept or factored form. Show your work.f(x) = 3x^2 - 12

Answers

Answer:

f(x) = 3(x+2)(x-2)

Step-by-step explanation:

We are given the following the quadratic function and we are to rewrite it in intercept or factored form:

$f(x) = 3x^2 - 12$

We can factorize the given function so taking the common factors out of it to get:

$f(x)=3x^2 - 12$

$f(x) = 3 (x^2 - 4)$

The term $(x^2-4)$ is in the form $a^2-b^2$ so it can further be factorized to give:

$f(x) = 3 (x+2)(x-2)$

Therefore, the factored form of the given quadratic function is f(x) = 3(x+2)(x-2).

Answer:

3(x-2)(x+2)

Step-by-step explanation:

Given equation is :

f(x) = 3x²-12

We have to rewrite the given function in factored or intercept form.

Since, we know that 3 and 12 are multiples of 3.

taking 3 as common , we get

f(x) = 3(x²-4)

using differernce formula in above equation , we get

a²-b² = (a-b)(a+b)

f(x) = 3(x-2)(x+2)

Hence, the given factors are 3,(x-2) and (x+2).

Write 7340 in standard for

Answers

The standard from means writing in the most simplified form i.e. 7340 = 7000+300+40 is the standard from of the number 7340. Sometimes, scientific notation can also be called as standard form. Then, we write in powers of 10. i.e. 7340 = 7.340 *10^3

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