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Akimi4 [234]
2 years ago
12

Graph in comments

Mathematics
1 answer:
Xelga [282]2 years ago
3 0

it is going to take 18 miles in 1 hour

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I need help with my algebra fraction assignments. I need help with page 2, 3,4,5 and 7. I also have additional albebra fraction
PolarNik [594]

Answer:

Step-by-step explanation:

#2 the answer is B, -16/9

do 1/4-5/2

to do this, find the least common denominator. it's 4

1/4-10/4=-9/4

then divide 4 by -9/4. This is the same as 4*-4/9. That is -16/9

#3 the answer is A 9x/x-8

first factor the denominator of the first fraction using special products

x^2-6x-16=(x-8)(x+2)

if you look at the first fraction, you can simplify x+2 leaving you with the fraction 1/x+8

multiply that by 9x, and you get 9x/x-8

#4 the answer is C (2x+1)/2x^2

first add x/4 and 1/8

find the least common denominator. its 8

2x/8 + 1/8 is equal to (2x+1)/8

then multiply that by x^2/4 because dividing a fraction is the same as multiplying its reciprocal

you get (2x+1)/2x^2

#5 the answer is C (x-8)/(x+3)

using special products you can factor the numerator

x^2-4x-32 is the same as (x-8)(x+4)

then, using special products you can also factor the denominator

x^2+7x+12 is the same as (x+4)(x+3)

you can see that both the numerator and the denominator is multiplied by (x+4) you can simplify that. That leaves you with (x-8)/(x+3)

#7 the answer is D 3m

in the numerator in the second fraction, you can factor out 5m^2

leaving you with 5m^2(m-6)/5m^2. simplify the 5m^2 and the m-6

after you simplify both of those, you will get 3m

7 0
3 years ago
An item that was selling for $72.00 is reduced to 60.00. Find the percent decrease in price. Round your answer to the nearest te
Anestetic [448]
The answer is 16.7 percent
4 0
3 years ago
What is the measure of<br> RST?
gayaneshka [121]

Answer:

D. 47

Step-by-step explanation:

7 0
2 years ago
1. Solve for x and y: (4 points)<br> Y: __________<br><br> X:__________
Sati [7]

Answer:

Y = 23°

X = 28°

Step-by-step explanation:

[] First, we can tell that (5y - 4) + (3y) = 180 because the parallel lines allow for corresponding angles, and then they are supplementary;

(5y - 4)° + (3y)° = 180°

5y° - 4° + 3y° = 180°

8y° - 4° = 180°

8y° = 184°

y = 23°

[] Next, we can solve for (5y - 4) and use that number as a corresponding angle to solve for (2x + 13);

5y - 4

5(23) - 4

115 - 4 = 111

[] Last, we will solve for x using the same reasoning as how we solved for y;

111° + (2x + 13)° = 180°

111° + 2x° + 13° = 180°

111° + 2x° + 13° = 180°

124° + 2x° = 180°

2x = 56°

x = 28°

7 0
2 years ago
Someone tell me the answer too this please
ozzi
27+40/8  answer is 8.375
5 0
3 years ago
Read 2 more answers
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