MATHEMATICS HIGH SCHOOL

James completetly covered a square wall using 50 ftof wall paper without anyoverlap. Which measurements is closest to the side length of the wall?

Answers

Answer 1
Answer:

Answer:

Do the math. it is 44

Step-by-step explanation:

do the math and find out how

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Five times the number of test tubes in a school’s chemistry lab exceeds three times the number of beakers it has by 660. The sum of two times the number of test tubes and five times the number of beakers is 450.If b is the number of beakers and t is the number of test tubes, the system of linear equations representing this situation is .
The number of beakers in the school’s lab is , and the number of test tubes in the school’s lab is .

Answers

\left\{\begin{array}{ccc}5t-3b=660&|multiply\ both\ sides\ by\ 2\n2t+5b=450&|multiply\ both\ sides\ by\ (-5)\end{array}\right\n\n\underline{+\left\{\begin{array}{ccc}10t-6b=1320\n-10t-25b=-2250\end{array}\right}\n.\ \ \ \ \ \ -31b=-930\ \ \ \ |divide\ both\ sides\ by\ (-31)\n.\ \ \ \ \ \ \ \ \ \ \ \boxed{b=30}\n\nsubtitute\ the\ value\ of\ b\ to\ the\ second\ equation:\n\n2t+5\cdot30=450\n2t+150=450\ \ \ \ |subtract\ 150\ from\ both\ sides\n2t=300\ \ \ \ \ |divide\ both\ sides\ by\ 2\n\boxed{t=150}

Answer:
The number of beakers in the school’s lab is 30, and the number of test tubes in the school’s lab is 150.

Find the product.
(n + 8)(n - 2)

Answers

(n)(n)=n^2
8n-2n=6n
(8)(-2)=-16
Solution:
n^2+6n-16

n^2-n*2+8n-16

n^2-2n+8n-16

=n^2+6n-16

Please help I really need it

Answers

Answer: The answer is the Median(D)

Step-by-step explanation:

Answer:

 Median

Step-by-step explanation:

Can you guys help me with this stuff I need a birthday

Answers

Answer:

y=-1x+3

definitely correct

Answer:

Sure what do you need help with?

Step-by-step explanation:

Find f(a), f(a+h) and the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0. F(x)= 2x/ x-1

Answers

First. 

Calculate f'(x) = (2x/x-1)' = (-2)/(x-1)^(2); when x is not 1;

Second.

Calculate f'(0) = -2 => the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0 is -2;

Third.

f(a) = 2a/a-1; f(a+h) = (2a+2h)/(a+h-1);

Answer:

1

Step-by-step explanation:

Two lines, A and B, are represented by the following equations: Line A: 4x + 4y = 16 Line B: x + y = 4 Which statement is true about the solution to the set of equations? It is (1, 2). There are infinitely many solutions. It is (1, 5). There is no solution.

Answers

Well it can't be (1,2) because that comes out to be 12 not 16, and it also can't be (1,5) because that comes out to be 20, but there is a solution,  that i know of for sure which is (0, 4). So your answer would probably be there are infinitely many solutions.

Answer:

The answer is B. There are infinitely many solutions.

Step-by-step explanation:

None of the other answers make sense and do not work.

Hope This Helps!
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