MATHEMATICS HIGH SCHOOL

Hihi , please help if able.

Answers

Answer 1

Answer:

Answer:

9(9m + 3t) = 81m + 27t

Step-by-step explanation:

With brackets with more than one term inside multiplied by a number;

The rule of thumb to know is that with brackets, everything inside must be multiplied by everything outside;

So, in this case, the number 9 must be multiplied by each term inside the brackets:

9 × 9m = 81m

9 × 3t = 27t

So to expand, opening the brackets, you get:

81m + 27t

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How do you solve x to the second power +7x=O

Answers

well the answer is 0 because if anything = 0 then it has to be multiplied by 0 so x = 0

x^2+7x=0
use the square root something....
(7/2)^2=49/4(add it to both sides)
x^2+7x+49/4=49/4
(x+7/2)^2=49/4
x+7/2=posinega 7/2
x=0 or x=-7

I need help is due in 20 minute

Answers

A is 5 , b is 1 , c is 4 , d is 3, and E is 2

Could someone show me the work for the answer?

Answers

What’s the question?

Perry can fill a sorter with oranges from the conveyer belt in 10 minutes. While Perry fills the sorter, Gillian takes oranges out of the sorter and puts them in shipping crates. With Gillian taking oranges out of the sorter, it takes 25 minutes for Perry to fill the sorter.Which of the following can be used to determine the amount of time it takes for Gillian to empty the sorter if Perry does not add oranges?

A) 1 over 10 minus 1 over x equals 1 over 25
B) 1 over 10 minus 1 over 25 equals 1 over x
C) 1 over 25 minus 1 over x equals 1 over 10
D) 1 over 10 minus 1 over x equals x over 25

Answers

If x is the amount of time Gillian takes,
1/10 - 1/x = 1/25
Therefore, the answer is A

Answer: The correct option is

A) 1 over 10 minus 1 over x equals 1 over 25

Step-by-step explanation: We are given to select the correct option that can be used to determine the amount of time it takes for Gillian to empty the sorter if Perry does not add oranges.

Let, 'x' minutes be the amount of time it takes for Gillian to empty the sorter if Perry does not add oranges.

We have

Time taken by Perry to fill the sorter with oranges from the conveyor belt

= 10 minutes.

So, in 1 min, the portion of the sorter filled by Perry from conveyor belt is

$(1)/(10).$

While Gillian taking oranges out of the sorter, time taken by Perry to fill the sorter with oranges = 25 minutes.

So, in 1 min, the portion of the sorter filled by Perry is

$(1)/(25).$

Time taken by Gillian to empty the sorter if Perry does not add oranges = x min.

So, in 1 minute, the portion of the sorter emptied by Gillian is given by

$(1)/(x).$

Therefore, the required equation that determine the amount of time it takes for Gillian to empty the sorter if Perry does not add oranges is given by

$(1)/(10)-(1)/(x)=(1)/(25).$

Thus, (A) is the correct option.

1) Use the rules of exponents to evaluate or simplify. Write without negative exponents.3*4^0 = ____

2) Use the rules of exponents to evaluate or simplify. Write without negative exponents.
1 / 4^-2 = ____

Answers

$1)\n 3*4^0=3*1=3\n\n 2)\n a^{-b=((1)/(a))^b}}\n (1)/(4^(-2))=(1)/(((1)/(4))^2)=(1)/((1)/(16))=1*(16)/(1)=16$

X varies inversely with y and x = 8 when y = 10, what is the value of y when x=6

Answers

The right answer for the question that is being asked and shown above is that:

x = k (1/y)
k = xy

x1y1 = x2y2
8*10 = 6y2
80 = 6y2
y2 = 40/3

So the answer is 40/3
X varies inversely with y and x = 8 when y = 10, what is the value of y when x=6

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