MATHEMATICS HIGH SCHOOL

Evaluate the expression when a = 30 and b=6.a+b2
a-4b
Simplify your answer as much as possible.
II
Х
?

Answers

Answer 1
Answer:

Answer:

a+b2

a+4b

Now,

30+6×2

30-4×6

30+12

30-24

42

6

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Which function below correctly illustrates the absolute value function

Answers

The answer is the second choice:
a, if a is greater than or equal to 0 and
-a, if a is less than or equal to 0

You can check this by testing out values.
The absolute value of 5 is 5 while the absolute value of -5 is -(-5) or 5. This follows the chosen function.

Solve: |x + 9| User: Evaluate 5|7 - 9| - 2.
-12
0
1
8

Answers

Solve:

[x+9] - there is nothing to simplify

======================================

Evaluate:

5(7-9)-2

= 35 -45-2

= -10-2

= -12

or

5(7-9)-2

= 35 -45-2

= 35-47

= -12
------------------------------------------
So, -12 is the answer.

Find the volume of the square based pyramid.

Answers

A = 1/3 * s^2 * h where s is a side of the base and h is the height.
Finding the height of the pyramid:

\left((6)/(2) \right )^(\!\!2)+h^(2)=8^(2)\n \n \n 3^(2)+h^(2)=8^(2)\n \n h^(2)=8^(2)-3^(2)\n \n h^(2)=64-9\n \n h^(2)=55\n \n h=√(55)\mathrm{~m}


Finding the base area:

S=6^(2)\n \n S=36\mathrm{~m^(2)}


Formula for the volume of the pyramid:

V=(S\cdot h)/(3)\n \n \n V=(36\cdot √(55))/(3)\n \n \n V=(\diagup\!\!\!\! 3\cdot 12\cdot √(55))/(\diagup\!\!\!\! 3)\n \n \n \boxed{\begin{array}{c} V=12√(55)\mathrm{~m^(3)} \end{array}}

How to write in standard form

Answers

Wen you write in standard form, that means you're writing it in number form. For example, instead of writing "eighty-two", you'll write "82". ;-)

Four times the sum of a number and two increased by three is at least twenty seven

Answers

4(x + 2) + 3 >= 27

4x + 8 + 3 >= 27

4x + 11 >= 27

4x >= 16

x >= 4

Answer:

I can help with Aleks!

Step-by-step explanation:

x>4

I hope this helps!

I need help again and can smb help me with the whole study guide pls !

Answers

Answer:

d bro. pay attention at order of triangle's vertices

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