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max2010maxim [7]
3 years ago
9

Morning of school Is from 8:50 till noon. If there are 20 minutes for play how many hours and minutes do the children work

Mathematics
2 answers:
Verizon [17]3 years ago
8 0
3 hours and 40 minutes
vitfil [10]3 years ago
5 0

Answer:

2 hours and 50 minutes

Step-by-step explanation:

9:00-12:00 is four hours

Subtract another ten minutes for play

You get 2 hrs and 50 mins

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Find the quotient of 48a^4-16a^2-32/8a^2-8
Novay_Z [31]
We know that if we had
8/6=2/2 times 4/3=1 times 4/3=4/3
find common factors in top and obttom
factor
48a^4-16a^2-32=(16)(a-1)(a+1)(3a^2+2)
8a^2-8=8(a-1)(a+1)
so we have
\frac{48a^4-16a^2-32}{8a^2-8} = \frac{(2)(8)(a-1)(a+1)(3a^2+2)}{(8)(a-1)(a+1)}= (\frac{8}{8}) (\frac{a-1}{a-1})( \frac{a+1}{a+1}) ( \frac{(2)(3a^{2}+2)}{1})=(2)(3a^2+2)=6a^2+4


answer is 6a^2+4
5 0
2 years ago
The graph below is a portion of a complete graph. Which graph below is the complete graph assuming it is an even function?
Ierofanga [76]

Answer:

Option b

Step-by-step explanation:

A function is even if and only if f(-x) = f(x).

This means that there is the same value of y for x_0 and for -x_0

Where x_0 is any point belonging to the function .

Therefore you must select a graph whose ordered pairs are of the form (x_0, y_0) and (-x_0, y_0)

Therefore the correct answer is option b. Assume that each box in the graph equals 1 unit. Then, for x = 2 y = -3 and for x = -2 y = -3. Then it is shown that the function is even.

8 0
3 years ago
Joe is 1.6 m tall. His shadow is 2 m long when he stands 3 m
Alla [95]

Answer:

Step-by-step explanation:

6 0
2 years ago
503,497 and 26,475 the value of 7 in?is ?times the value of 7 in ?
Vlad1618 [11]
1 times greater than 503,497
4 0
3 years ago
Y is inversely proportional to x, when Y = 2, x = 4.<br><br>Find the value of x when Y = 4.
ratelena [41]

The value of x when y =4 is 2

<h3>How to solve for x?</h3>

An inverse proportion is represented as:

k = yx

Where

k represents the constant of proportion

When y = 2, x = 4.

So, we have:

k =2 * 4

k = 8

Substitute k = 8 in k = yx

So, we have:

yx = 8

When y = 4, we have:

4x = 8

Divide by 4

x = 2

Hence, the value of x when y =4 is 2

Read more about variation at:

brainly.com/question/14254277

#SPJ1

8 0
2 years ago
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