MATHEMATICS HIGH SCHOOL

Evaluate the following expression. 1/5^-2
Evaluate 6^-3

Answers

Answer 1
Answer: ( (1)/(5)) ^(-2) = ( (5)/(1) )^(2) = 5^(2) = 25 \n \n 6^(-3) = ( (6)/(1) )^(-3) = ( (1)/(6) )^(3) = ( 1^(3) )/( 6^(3) ) = (1)/(216)

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What is the midpoint of the segment joining (12,2) and (-5,-7)

Answers

To find midpoint the fomula is
x1+x2/2,y1+y2/2

so the answere would be 12+(-5)/2 , 2+(-7)/2

so mid point would be (x,y) =(3.5,-2.5)

I hope this makes sense :)

What is the square root of 3 to the square root of 2 power times the square root of 3 to the negative square root of 2 power?

Answers

the square root of 3 to the square root of 2 power times the square root of 3 to the negative square root of 2 power = 1

If a man take one and a half mins to paint a door how much doors can he paint in seven half hour

Answers

Answer:

300 doors.

Step-by-step explanation:

1.5 minutes for 1 door.

7.5 hours for 300 doors.

7.5 hours = 450 minutes.

(450)/(1.5)=300

If f(x)=x+3 g(x)=2x+6 find (f+g)(x)

Answers

Answer:

3x + 9

Step-by-step explanation:

For value of (f+g)(x) add two functions up

x + 3 + 2x + 6 = 3x + 9

A line contains the ppoints (-2,5) and (-2, 0) . What is the slope?

Answers

Infinite

Working
By using the formula
(change in y)/(change in x)= gradient m
=(5-0)/(-2--2)
=5/0

Complete the statement: Cosine is the reciprocal of the ___________ ratio.

Answers

Cosine is the reciprocal of the Secant ratio.
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