MATHEMATICS MIDDLE SCHOOL

Factor. 25x^12-36y^14

Answers

Answer 1

Answer:

The answer is: $(5x^(6)+6y^(7)) (5x^(6) - 6y^(7))$

To get answer: Factor $25x^(12) -36y^(14)$

$-36y^(14) +25x^(12)$

$= (6y^(7) +5x^(6))(-6y^(7)+5x^(6))$

Answer 2

Answer:

(5x⁶+6y⁷)×(5x⁶−6y⁷)

This is your answer hope this helps! Have a good day/night whatever time it is near you!

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Question 41 please tell answer

Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement would be true? a. Elsa surveyed 10 people, and 6 people were in favor of having a swimming pool. b. Elisa surveyed 20 people, and 13 people were in favor. c. Elisa surveyed 65 people, and 10 people were in favor. d. Elisa surveyed 13 people, and 5 people were in favor.

Answers

the answer is b because 13 out of 20 equals 65% to find the percent, you divide 13 into 20, and you get 65%

The longest side of an isosceles obtuse triangle measures 20 centimeters. The other two side lengths are congruent but unknown.What is the greatest possible whole-number value of the congruent side lengths?

A.9 cm
B.10 cm
C.14 cm
D.15 cm

Answers

Since 9+9=19<20 and 10+10=20=20, the triangles with sides 9, 9, 20 and 10, 10, 20 cannot exist.

Use the cosine theorem to check which option C or D is true:

$20^2=14^2+14^2-2\cdot 14\cdot 14\cos \theta,\n 400=196+196-392\cos \theta,\n 8=-392\cos \theta,\n \n \cos \theta=-(8)/(392) =-(1)/(49)$ .

You have that cosine of the greatest angle (opposite to the greatest side) is negative, this means that angle is obtuse.

$20^2=15^2+15^2-2\cdot 15\cdot 15\cos \theta,\n 400=225+225-450\cos \theta,\n -50=-450\cos \theta,\n \n \cos \theta=(50)/(450) =(1)/(9)$ .

Here you have that cosine of the greatest angle (opposite to the greatest side) is posiative, this means that angle is acute.

Answer: the greatest possible whole-number value of the congruent side lengths is 14 (choice C)

Answer:

Step-by-step explanation:

a small airplane used 5 2/3 gallons of fuel to fly a 2 hour trip how many gallons were used each hour

Answers

2.83 gallons were used per hour

A paper company ships 110.4 tons of paper in 4 trucks.If each truck carries the same weight, how many tons of paper are in each truck?

Thanks a MILLION if you help me :D! (first and best answer will be the brainliest answer :3!)

Answers

You said that "each truck carries the same weight".

This means that the shipping manager DIVIDED the paper equally
among the four trucks. Does that give you any ideas, hmm ?

How about DIVIDING the 110.4 tons into 4 equal parts, then
put one part on each truck.

110.4 tons DIVIDED by 4 = 27.6 tons .

Solve a real world problem that can be represented by the expression (-3)(5)+10

Answers

Using PEMDAS you start with parenthesis

(-3)(5) = -3 x 5 = -15

-15 + 10 = -5

The answer is -5

Approximately 3 out of every 25 Americans live in California. About 3 out of every 50 Americans live in New York, and about 2 out of every 25 Americans live in Texas.A. Which state has the largest population?
b Which state has the smallest population?
C. About what percentage of Americans do not live in California, New York, or Texas?

Answers

Convert all statistics into percentages:

CA: 3/25=0.12 -> 12%

NY: 3/50=0.06 -> 6%

TX: 2/25=0.08->8%

(A) Out of the three states, California has the largest population

(B) Out of the three states, NY has the smallest population

Other Questions

1. Delia brushes her teeth hour each day.Units of Time1 week = 7 days1 hour = 60 minutesPart AWrite and solve an equation to find howmany hours Delia brushes her teeth in1 week.Part Bto find howmany minutes Delia brushes her teeth in1 week.

9x^2-(7x-2)(x+3)=-12x+1

Please help me solve this system of equations

Rebecca buys some scarves that cost $5 each and 2 purses that cost $12 each. The cost of Rebecca's total purchase is $39. what equation can be used to find n, the number of scarves that Rebecca buys?