MATHEMATICS HIGH SCHOOL

Solve the equation by taking the square root 4(x+1)^2=100

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

4(x+1)²=100

(x+1)²= 5²

(x+1)²- 5² = 0

(x+1-5)(x+1+5) = 0  by identity : a² - b ² = (a - b) (a+b)

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

x - 4 = 0 or x+6 = 0

x = 4  or x = - 6

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Find the slope of the line described by:
X -6y= -9
write answer as a fraction

Answers

PUT INTO SLOPE INT. FORM
x - 6y = -9
-6y = -x - 9
y = 1/6x + 3/2
Slope is 1/6 hope this helps!

Darryl has a board that is 8 feet long.He cuts it into pieces that's are each 2 feet long

Answers

whats the question suposed to say 

How are fractions and decimals related

Answers

Decimals are a type of fractional number. The decimal 0.5 represents the fraction5/10. The decimal 0.25 represents the fraction 25/100. Decimal fractions always have a denominator based on a power of 10.
when you divide a fraction that can turn into a decimal.

A fish tank is 20 feet long, 12 feet wide, and 10 feet deep. What is the volume of the fish tank?

Answers

Volume is length*width*height
20*12*10=2400
The fish tank is 2400 feet deep.
If I remember correctly. With the information that is given
The answer is 2,400.
Correct me if I'm wrong

A sample of 40 batteries is taken from a case of 400. Thirty-seven of the batteries in the sample are good, and three are defective. Let p= the probability that a battery case is still good. Which of the following is NOT a possible value for p?A. 0.5
B. 0.75
C. 0.9
D. 0.925
E. 1

Answers

The answer is option E i.e., 1 because we know that there are 3 defective batteries in the case so the probability will never be 1 for this case.

A round barbecue pit is 2 meters in diameter. What is the distance around the barbecue pit? A. 3.14 meters
B. 12. 56 meters
C. 6.28 meters
D. 18.84 meters

Answers

The length of a circle is equal to 2π * diameter/2, where π = ~3.14. In our case we have 2*(~3.14) = 6.28 meters. So the correct answer is C.
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