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3 years ago

PLS HELP !!!!

Mathematics

2 answers:

Masteriza [31]3 years ago

4 0

(300 students) because each classroom has 25 students then you times that by 12 and you get 300.

oksian1 [2.3K]3 years ago

4 0

Answer:

300 students is the maximum capacity of students the school can hold.

Step-by-step explanation:

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The sum of the squares of two consecutive positive even integers is 52.Find the integers

ankoles [38]

Answer:

The two consecutive positive integers are $4$ and $6$ .

Step-by-step explanation:

Let $x$ be an even integer, then the next even integer is $(x+2)$ .

The sum of the squares of these even integers is $52$ .

We can write the following equation and solve for $x$ .

$x^2+(x+2)^2=52$ .

We expand to get,

$x^2+x^2+4x+4=52$ .

We simplify to get,

$2x^2+4x+4-52=0$ .

This gives us,

$2x^2+4x-48=0$

We divide through by 2 to get,

$x^2+2x-24=0$ .

This is now a quadratic trinomial

We split the middle term to get,

$x^2+6x-4x-24=0$ .

We factor to obtain,

$x(x+6)-4(x+6)=0$

$\Rightarrow (x+6)(x-4)=0$

$\Rightarrow (x+6)=0 or (x-4)=0$

$\Rightarrow x=-6 or x=4$

We discard $x=-6$ since it is not a positive integer.

$\therefore x=4$

Hence the two consecutive positive even integers are,

$4$

and

$4+2=6$

5 0

3 years ago

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sasho [114]

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8 0

2 years ago

Manuel is riding on a bike course that is 90 miles long. So far, he has ridden miles of the course. What percentage of the cours

garri49 [273]

Answer: 60% of the course

Step-by-step explanation:

54 equals ? of 90

54/90 = 0.6

0.6 = 60%

Manuel has ridden 60% of the course.

6 0

3 years ago

A-1+a+a+a+a+3 into L cm

Sidana [21]

Answer:

sorry the question isn't obvious at all, can you please rectify?

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2 years ago

Square root of 2x squared - 7 -1=4

Snowcat [4.5K]

The answer is probably x=3. I am great at math so it should be the answer!

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3 years ago

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