What is the value of c so that y=x^2+10x+c is a perfect square trinomial..?A.10
B.25
C.50
D.100

Answers

Answer 1

Answer: The letter b .......

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What are the roots of the equation xv2-6x=0

Answers

Answer:

xv^2−6x=0

Step-by-step explanation:

Arun has captured many yellow-spotted salamanders. He weighs each and then counts the number of yellow spots on its back. This trend line is a fit for these data. A. negative

B. weak

C. parabolic

D. strong

Answers

Answer: D. Strong

Step-by-step explanation:

Correct on A P E X

Ignore the first answer

If you put $1205.00 in an account that earns 2.5% simple interest. Find the total amount in the account after four years.

Answers

Given: $1205.00 money deposited in an account
2.5% simple interest
Asked: Find the total amount in the account after four years.
Solution: 2.5/100= 0.025
1205 x 0.025 = 30.125
1205 + 30.125 =1,235.125
1235.125 x 4 = 4,940.5
Answer: $4,940.5 the total amount in the account after four years

Since it's founding, a volunteer group has restored 50 houses. It plans to restore 15 houses per year in the future. Write an equation that models thetotal number N of restored houses T years from now.

Answers

The equation that represents the word statement is N= 15T+50.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a volunteer group has restored 50 houses. It plans to restore 15 houses per year in the future.

With 15 being the number changing as you find your variable and 50 being the number of houses ALREADY completed, constituting adding it to the answer.

Therefore, the equation that represents the word statement is N= 15T+50.

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The answer would turn out being--

N= 15T+50

With 15 being the number changing as you find your variable and 50 being the number of house ALREADY completed, constituting adding it to the answer.

Verify the basic identity. What is the domain of validity? cot theta = cos theta csc theta

Answers

Both sides can be the domain of validity since both are just simple but what we are going to change is the right side.
Let us review that $cot \alpha = (cos \alpha )/(sin \alpha )$ and $csc \alpha = (1)/(sin \alpha )$ .
So, to prove the following identity:
$cot \alpha =cos \alpha csc \alpha$
Let us substitute the value of csc with respect to sin.
$cot \alpha =cos \alpha * (1)/(sin \alpha )$
$cot \alpha = (cos \alpha )/(sin \alpha )$
$cot \alpha =cot \alpha$