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marin [14]
3 years ago
8

Teacher: Who can tell me how to simplify 3 + 5 x 2 – 4?

Mathematics
2 answers:
Anon25 [30]3 years ago
7 0

Answer:

The girl didn't follow PEMDAS

Step-by-step explanation:

PEMDAS is the order in which you solve mathematical equations.

Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.

If you add before multiplying you'll get a completely different answer.

The boy followed PEMDAS, while the girl didn't.

navik [9.2K]3 years ago
3 0

Answer:

3+5×2-4

3+10-4

13-4

9

Step-by-step explanation:

But I solve like this and the answer is 9 I am student girl.

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A triangle has one leg that measures 12 cm and a hypotenuse 24 cm. Find the length of the other leg to the nearest tenth of cent
Minchanka [31]

9514 1404 393

Answer:

  20.8 cm

Step-by-step explanation:

The term "hypotenuse" suggests this triangle is a right triangle. Then the other leg can be found using the Pythagorean theorem:

  x^2 +12^2 = 24^2

  x^2 = 576 -144 = 432

  x = √432 ≈ 20.8 . . . cm

The other leg is about 20.8 cm.

_____

<em>Additional comment</em>

A right triangle with a short leg that is 1/2 the length of the hypotenuse is the "special" 30°-60°-90° right triangle. The longer leg is √3 times the length of the short leg: 12√3 ≈ 20.8 cm.

7 0
2 years ago
the population of masterton was 23 000 in 2012. Assume that Masterton population increases at a rate of 2% per year. Write an eq
Oksanka [162]
So, let's first focus on the first year:

the population then would be: 23000* (100+2)%

100% is the old population the 2% is the incease, so in total it's 102%, or 1.02 - the same number written differently.

So it will be 23000*1.02

After two years it will be 23000*1.02*1.02, and so on

so after x years it will be:

y=23000*1.02^{z}
8 0
4 years ago
Which is steeper, a slide that rises 3 feet for every 2 feet run, or a sliding pole that rises 5feet for every 3feet run
igor_vitrenko [27]
The sliding pole is steeper. (rise/run) 5/3 (1.666) is greater than 3/2 (1.5).
4 0
3 years ago
216 as a power number
I am Lyosha [343]
Hey There,

216 is equal to 6^{3}

Solution:

6*6*6=213

Thank You!


5 0
3 years ago
Read 2 more answers
How would this ratio be written as a fraction in simplest form? <br> 24 to 4
olga nikolaevna [1]

Answer:

6 to 1

Step-by-step explanation:

4/2 is 2 and then divide that be 2 and its 1

24/2 is 12 and divide that by 2 and you get 6

5 0
3 years ago
Read 2 more answers
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