MATHEMATICS HIGH SCHOOL

Pls help me i dont know how to do this pls answer ASAP

Answers

Answer 1

Answer:

Answer:

If it does not pass through the origin, or is anything other than linear, it is not proportional

1.) Non-proportional

2.) Proportional

3.) Non-proportional

4.) Non-proportional

5.) Proportional

6.) Proportional

7.) Non-proportional

10.) Non-proportional

11.) Non-proportional

Answer 2

Answer:

Answer:

Step-by-step explanation:

N means Non-Proportional

P means Proportional

1.N

2.P

3.N

4.N

5.P

6.N

7.N

10.N

11.N

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Can someone answer this plz.

Answers

OK ,

theres 150 fish in the pond mius 8% each day so

150-8%=138
138-8%=129.96

129.96 is your answer

Prove 4t + t = 5t4t + t

t(4 + 1)

t(5)

5t

What property or properties were used to prove that the expressions are equivalent?
commutative and distributive properties
associative and distributive properties
associative and commutative properties
associative property

Answers

The proof used the distributive property and the associative property of multiplication.

Option B is the correct answer.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the liketerms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.com

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

To be specific, the distributiveproperty was used to break down the expression 4t + t as:

4t + t = (4 + 1)t ________(1)

And then the associativeproperty was used to rearrange the terms as:

(4 + 1)t = 5t ________(2)

From (1) and (2)

We have shown that 4t + t is equivalent to 5t.

Thus,

The proof used the distributive property and the associative property of multiplication.

Learn more about expressions here:

brainly.com/question/3118662

#SPJ2

Answer:

its A: commutative and distributive properties

Step-by-step explanation:

i got it right

Simplify the following radical expression:
√20

Answers

Answer:

the answer is 2√ 5

Answer:

4.472135955

Step-by-step explanation:

Matilda is filling a circular section of her porch with colorful pebbles. She knows the diameter of the circular section is 15ft, and each bag of pebbles covers 10ft. How many bags of pebbles will Matilda need? A. 15 bags B. 16 bags C. 17 bags D. 18 bags

Answers

Answer:

D. 18 bags

Step-by-step explanation:

Given:

Matilda is filling a circular section of her porch with colorful pebbles.

Diameter of circular section = 15 feet.

Each bag of pebbles covers 10 square feet.

Question asked:

How many bags of pebbles will Matilda need?

Solution:

Diameter of circular section = 15 feet

Radius, r = $(Diameter)/(2)=(15)/(2) =7.5\ feet$

$Area\ of\ circular\ section=\pi r^(2)$

$=(22)/(7) *7.5*7.5=(1237.5)/(7)=176.78} \ square\ feet$

10 square feet is covered by number of bag of pebbles = 1

1 square feet is covered by number of bag of pebbles = $(1)/(10)$

176.78 square feet is covered by number of bags of pebbles =

$(1)/(10)*176.78=17.67$

We found up to 17 bags of pebbles there is still some place left to fill the section:-

Thus, Matilda need about 18 bags of pebbles to fill the circular section of her porch.

(3x+1)(2x-5)=39
i need help

Answers

$(3x+1)(2x-5)=39 \n6x^2-15x+2x-5=39 \n6x^2-13x-5=39 \ \ \ \ \ \ \ \ \ \ |-39 \n6x^2-13x-44=0 \n6x^2-24x+11x-44=0 \n6x(x-4)+11(x-4)=0 \n(6x+11)(x-4)=0 \n6x+11=0 \ \lor \ x-4=0 \n6x=-11 \ \lor \ x=4 \nx=-(11)/(6) \ \lor \ x=4 \n\boxed{x=-1 (5)/(6) \hbox{ or } x=4}$

   (3x + 1)(2x - 5) = 39
      3x(2x - 5) + 1(2x - 5) = 39
3x(2x) + 3x(-5) + 1(2x) + 1(-5) = 39
      6x² + (-15x) + 2x + (-5) = 39
      6x² - 15x + 2x - 5 = 39
      6x² - 13x - 5 = 39
      - 39 - 39
      6x² - 13x - 44 = 0
          x = -(-13) ± √((-13)² - 4(6)(-44))
      2(6)
      x = 13 ± √(169 + 1056)
   12
      x = 13 ± √(1225)
   12
      x = 13 ± 35
      12
      x = 13 + 35 ∨ x = 13 - 35
      12    12
      x = 48    ∨       x = -22
      12    12
      x = 4    ∨        x = -1⁵/₆
The solution set us equal to {4, -1⁵/₆}.

Please help I'm so confused rn so please helppp!!!!!
look at the screenshot

Answers

There is no picture attached I can’t see the screenshot

Answer:

there's no screenshot attached