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3 years ago

8

Read the statement given below and choose which of the following arguments proves that the statement is false.

1 answer:

valkas [14]3 years ago

3 0

The correct answer to the question you asked is B.

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In order to release energy chemical bonds must be?

Reil [10]

Answer:

You have to put energy into a molecule to break its chemical bonds. The amount needed is called the bond energy. After all, molecules don't spontaneously break

Step-by-step explanation:

5 0

3 years ago

Can someone please help me with this thanks

Nitella [24]

They are both correct! Michael's equation is just a distributed version of Laurie's equation. Laurie's equation is solved like this: First distribute to get
2x + 1.2 + 0.8 + 0.7, then add the numbers together to get 2x + 2.7.
Michael's equation also starts with distributing to get 2x + 1.2 + 0.8 + 0.7 and adding the numbers together to get the same answer: 2x + 2.7. Hope this helps!

4 0

3 years ago

Solve x^2 + 2 + 9 = 0

Serga [27]

Answer:

This problem has no real solutions.

8 0

4 years ago

What is the equation of the graphed line written in standard form? 2x – y = –4 2x – y = 4 y = 2x – 4 y equals StartFraction one-

svp [43]

Answer:

The answer is "2x-y=4"

Step-by-step explanation:

Given:

$2x-y=-4\\2x-y=4\\y=2x-4\\y=\frac{1}{2}(x-4)\\$

The Formula of Slope:

$m=\frac{y_2-y_1}{x_2-x_1}$

by replacing the (2,0) and (0,-4) coordinates in the above formula:

$\to m= \frac{-4-0}{0-2}\\\\ \to m= \frac{-4}{-2}\\\\ \to m= \frac{4}{2}\\\\ \to m= 2\\\\$

if point y intercepting in x then x=0, for this the value of x= 0 and c=-4.

Equation of the line:

$\to y=mx+c$

apply m and c value in the above equation:

$\to y=2x-4\\$

Subtract by 2x on both sides of the equation we get:

$\to y-2x= 2x-4-2x\\\\\to y-2x=-4\\\\\boxed{\boxed{2x-y=4}}\\\\$

5 0

4 years ago

Read 2 more answers

two trucks leave a factory at the same time. one travels east 60 miles per hour, and the other travels west at the 39 miles per

Dahasolnce [82]

<u>Answer:</u>

Both trucks are 150 miles after 1.516 hours

<u>Solution:</u>

Given, Two trucks leave a factory at the same time.

one travels east 60 miles per hour, and the other travels west at the 39 miles per hour.

We have to find In how many hours will they be 150 miles apart?

Let the time after which they will be 150 miles apart be t.

Now, we know that, <em>distance = speed x time. </em>

For 1st truck ⇒ distance from factory = 60 x t

For 2nd truck ⇒ distance from factory = 39 x t

Here, t is same for both trucks as time is seen from common point of view.

Now, according to the given information,

distance of 1st truck from factory + distance of 2nd truck from factory = 150 miles.

60t + 39t = 150

99t = 150

t = 1.516 approximately.

Hence, both trucks are 150 miles after 1.516 hours.

3 0

3 years ago

Read 2 more answers