MATHEMATICS HIGH SCHOOL

10 + 10 =20
the answer is 20

Answers

Answer 1

Answer:

Answer:

YEP! YOURE CORRECT!

Step-by-step explanation:

Answer 2

Answer:

Answer:

True

Step-by-step explanation:

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A theater needs to place seats in rows. The function, f(r) as shown below can be used to determine the number of seats in each row, where r is the row number.f(1) = 8 f(r) = f(r – 1) + 3 Use the function to complete the table indicating the number of seats in each row for the first four rows of the theater.
7. 2.1 + 3.32 – 1.4 = ?
A triangle has side lengths measuring 3x cm, 7x cm, and h cm. Which expression describes the possible values of h, in cm?
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What is the factoring quadratic expression for 125x^2-100x+20=0

Answers

$125x^2-100x+20=0\n\n5(25x^2-20x+4)=0\n\n5[(5x)^2-2\cdot5x\cdot2+2^2]=0\n\n5\cdot(5x-2)^2=0\n\n5(5x-2)(5x-2)=0\iff5x-2=0\n\n5x=2\ \ \ \ /:5\n\nx=0.4$

$125x^2-100x+20=0\ /:5\n\n25x^2-20x+4=0\ \ \ \Leftrightarrow\ \ \ (5x)^2-2\cdot5x\cdot2+2^2=0\n\n(5x-2)^2=0\ \ \ \Leftrightarrow\ \ \ 5x-2=0\ \ \ \Leftrightarrow\ \ \ 5x=2\ /:5\ \ \ \Leftrightarrow\ \ \ x=0.4$

Evaluate the expression below when n = 6. If needed, answer as a fraction or a decimal.
6n÷4

Answers

Answer:

Step-by-step explanation:

6x6÷4=1/9

six students are sitting in chairs placed in a line. in how many different orders can the students be seated ?

Answers

6chairs times 6kids =36

Is it

A 180

B 120

C 45

D 60

Answers

Answer:

60° .

....................

The answer is 60.

Since angle 1 and angle three are on the same line they have to have complimentary angles. So, 180 (degrees of a straight line) minus the angle 1 would give:

180 - 120 = 60.

Which expression is equivalent to 7/12(24 - 12m) - 1/3(21m + 27)? 5
7m+2
-14m+5
-14m+23

Answers

The requried simplified equivalent expression to the given expression is -14m+5. Option C is correct.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Given expression,
= 7/12(24 - 12m) - 1/3(21m + 27)

Simplifying the above expression,
= 14 - 7m - (7m + 9)
= 14 - 9 -7m -7m
= 5 - 14m or -14m + 5

Thus, the requried simplified equivalent expression to the given expression is -14m+5. Option C is correct.

Learn more about simplification here:

brainly.com/question/12501526

#SPJ6

⁷/₁₂(-12m + 24) - ¹/₃(21m + 27)
⁷/₁₂(-12m) + ⁷/₁₂(24) - ¹/₃(21m) - ¹/₃(27)
-7m + 14 - 7m - 9
-7m - 7m + 14 - 9
-14m - 5

Which pair of angles are complementary but not adjacent?