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serious [3.7K]
3 years ago
5

DOES ANYONE USE THIS APP? I NEED HELP​

Mathematics
2 answers:
vesna_86 [32]3 years ago
7 0

Answer:

no sorry! we don't study mathematics generally digitally ( computer or mobile ) , we use textbook, notebook and pain !

Sergio039 [100]3 years ago
3 0

Answer:

You can determine the root of the equation by multiple methods. However, that answer is correct. The root is -2.

Step-by-step explanation:

A root is where the graph crosses the x-axis. One trick I use to see if it is a root is by taking the numerator and plugging in the number for x. For example, \frac{x+2}{x^{2} -2}, and take the -2 and plug it in for x. The numerator would cancel out because -2 + 2 = 0. That is the way you can determine if it is a root or not.

I hope this helps, if you need any clarification let me know :)

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Number of sides of shape: 4<br>Number of degrees inside:<br>​
Nutka1998 [239]

Answer:

360°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 4, hence

sum of interior angles = 180° × 2 = 360°

4 0
3 years ago
A cargo van is carrying 20 identical cylinders. Each cylinder contains compressed oxygen. Altogether the cylinders weigh 1/2 of
zzz [600]

Answer: Each cylinder weighs 1/40 of a ton.

Step-by-step explanation:

If we were dealing with a total of 1 ton, than we can easily see that each cylinder would be one twentieth. Because we are dealing with a total of 1/2 ton, we can now figure out that each cylinder is 1/40 tons.

5 0
3 years ago
A race walker completed 913 mile walk in 2.5 hrs. What is the walkers speed? Please show work
Rufina [12.5K]

The walker's speed is 

                     (913 miles) / (2.5 hours) = <em>365.2 miles per hour</em>

(Hey, I just solve um.  I don't get into the philosophy.)


4 0
3 years ago
Tyra has 38 counters. She now puts the 38 counters into some bags so that Each bag has an equal number. There are no counters le
Serhud [2]

I mean, you can divide the counters by the range 2 - 38.

I only managed to find out that 38 ÷ 2 = 19.

And 38 ÷ 19 = 2.

It says that there are more than 10 counters in each bag.

So 2 bags is the most liable option.

There are 2 bags and 19 counters in each bag.

7 0
3 years ago
Read 2 more answers
Help pls i don't know where to put the pharenteses this is the equation
Brut [27]

Answer:

{15 - {(25 x 2.4) + 7}}- (3 x 2) = -16

Step-by-step explanation:

15 - 25 x 2.4 + 7 - 3 x 2= -16 is the given equation.

Now by the rule of BODMAS:

here B = Bracket, O means Of,  D means Divide, M means Multiplication , A means Addition and S means Subtraction.

So, according to this order start putting brackets.

first operation is multiplication, second is addition and then subtraction.

⇒  15 - 25 x 2.4 + 7 - 3 x 2  = {15 - {(25 x 2.4) + 7}}- (3 x 2)

Hence, {15 - {(25 x 2.4) + 7}}- (3 x 2) = -16

8 0
3 years ago
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