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ValentinkaMS [17]
3 years ago
6

I NEED HELP! simplify this expression

Mathematics
1 answer:
ioda3 years ago
7 0

Answer:

25

Step-by-step explanation:

36-1*16+5 (PEMDAS, exponents first)

36-16+5 (PEMDAS, multiplication)

20+5 (PEMDAS, add and subtract left to right)

25 (PEMDAS, add and subtract left to right)

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Explain how please I’m not sure
grin007 [14]

Answer:

164 degrees

Step-by-step explanation:

The measure of the individual internal angle in a polygon is;

(n-2)180/n

n = 22

So we have;

(22-2)180/22

= (20 * 180)/22

= 163.64 degrees

To the nearest whole number, this is 164

3 0
3 years ago
Helpppppp mathhhhhhhhhh
Alex Ar [27]
The final answer will be 14.4
6 0
4 years ago
50 points, question is below.
REY [17]

x^2+3x-10\neq0\\\\x^2+5x-2x-10neq0\\\\x(x-5)-2(x+5)\neq0\\\\(x+5)(x-2)\neq0\to x+5\neq0\ \wedge\ x-2\neq0\\\\x\neq-5\ \wedge\ x\neq2\\\\\dfrac{x+5}{x^2+3x-10}=\dfrac{x+5}{(x+5)(x-2)}=\dfrac{1}{x-2}\\\\Answer:\ x=2

8 0
3 years ago
Read 2 more answers
Express y=-2x^2-5x-18 as y=a(x-p)(x-q), where a,h, and k are constants. Hence state the equation of the line of symmetry and hen
UkoKoshka [18]

Answer:

y = -2·x^2 - 5·x - 18

y = -2·(x^2 + 10·x + 36)

y = -2·(x^2 + 10·x + 36)

y = -2·(x - (-5 - √11·i))·(x - (-5 + √11·i))

Maybe there is a typo in the original question, because there is no factorisation in the real numbers.

Because the question is " find the minimum value of y" the coefficient before x^2 must be a positive number. so it could be

y = 2·x^2 - 5·x - 18

Can you check this out?

4 0
3 years ago
What will the time be after 1 hour 5 minutes from 8:15 am
umka2103 [35]

Answer:

9:20 am

Step-by-step explanation:

So, lets go over two things.

Minutes and hours.

Minutes changes the second number.

You know how when a number goes from 9 to 10 how the ones place is set to 0, and the tens place goes up? Its the same with time, only when the number goes from 59 to 60, the hour goes up.

Hours changes the hours place, and when it hits 12, it resets to 1, and the words am go to pm, or pm goes to am.

In this case. we are moving the minutes place up by 5:

15+5=20

So the minutes place is 20, and does not change the hours place since it is below 60.

Next we have a increase in hours by 2:

8+1=9

So the hours place is 9, and does not reset or change the pm/am since its below 12.

Answer:

9:20am

Hope thias helps!

6 0
3 years ago
Read 2 more answers
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