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4 years ago

What is the vertex of the absolute value function defined by f(x)=|x+2|+4?

1 answer:

5 0

There is no maximum value for the term inside the absolute value signs, but there is an absolute minimum, being zero when x=-2. And when x=-2, y=4, and that is your vertex:

(-2, 4)

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Two trains,Train A and Train B, weigh a total of 415 tons. Train A is heavier than Train B. The difference of their weights is 2

kupik [55]

Answer:

Train A = 320 tons. Train B = 95 tons.

Step-by-step explanation:

Given:

Two trains,Train A and Train B, weigh a total of 415 tons.

Train A is heavier than Train B.

The difference of their weights is 225 tons.

Question asked:

What is the weight of each train?

Solution:

As given that Train A is heavier than Train B and their weight's difference is 225 tons:-

Let weight of Train B = $x$ tons

Then weight of Train A = $x+225$ tons

Combined weight of both train is 415 tons

Weight of Train A + Weight of Train B = 415 tons

$x+225+x=415\\\\ 2x+225=415\\$

Subtracting both sides by 225

$2x=190$

Dividing both sides by 2

$x=95$

Substituting the value:- 

Weight of Train B = $x$ = 95 tons

Then weight of Train A = $x+225$ = 95 + 225 = 320 tons

Therefore, weight of Train A is 320 tons and weight of Train B is 95 tons.

5 0

3 years ago

I am stuck at this please help me

aivan3 [116]

Answer:

2/7

Step-by-step explanation:

This is easy! No need to over think it btw!

1) whenever you divide by a whole number such as in this case;4. You need to put a 1 under 4... like this: 4/1 (so it can become a fraction!)

2) Use KEEP, CHANGE, FLIP when you are dividing fractions!

8/7 --> you keep that number

÷ ---> × = you change the division sign into multplication sign

4 ---> 1/4 = you put 1 over 4 and flip it which you get from 4/1 --> 1/4

3) Your would look like this....

8/7 * 1/4 = ?

4) Muliply horizontally; 8 * 1 = 8 , 7 * 4 = 28

5) You get 8/28 Don't forget to simplify!!!

6) 8/4 / 32/4 = 2/7

ALSO, here's an example of KEEP, CHANGE, FLIP:

7 0

3 years ago

PLEASE HELP!! NO LINKS!!

lozanna [386]

Answer:

brainly.com/question/23644816?answering=true&answeringSource=feedPublic%2FhomePage%2F23

Step-by-step explanation:

6 0

3 years ago

Solve for x a.81 b.41 c.1681

Jlenok [28]

A=9 , b=40

Pythagorean theorem
$a^2+b^2=x^2 \\\\ x=\sqrt{a^2+b^2}=\sqrt{9^2+40^2}=\sqrt{81+1600}=\sqrt{1681}=\sqrt{41^2}=41$

5 0

4 years ago

Can anyone tell me what the answer is for 4097 + 754 + 3188?

Alborosie

Answer:

8,039

Step-by-step explanation:

4097

3188

754

---------

8039

7 0

3 years ago

Read 2 more answers