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BlackZzzverrR [31]
3 years ago
6

Combine fractions and reduce (5b/4a) + (b/3a) – (3b/a)

Mathematics
1 answer:
EastWind [94]3 years ago
6 0

Answer:

3b/6a or b/3a

Step-by-step explanation:

(5b/4a) + (b/3a) - (3b/a)

(6b/7a) - (3b/a)

3b/6a or b/3a

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Solve by factoring<br> k2 +6k =16
Black_prince [1.1K]

Answer:

k=2   k=-8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A candy store makes a 13–pound mixture of gummy bears, jelly beans, and gobstoppers. The cost of gummy bears is $1.00 per pound,
bulgar [2K]
X = gummy bears, y = jelly beans, z = gobstoppers
x + y + z = 13
x + 2y + 2z = 20
x = 3y

3y + y + z = 13
4y + z = 13

3y + 2y + 2z = 20
5y + 2z = 20

4y + z = 13....multiply by -2
5y + 2z = 20
-----------------
-8y - 2z = -26
5y + 2z = 20
---------------add
-3y = -6
y = 2........2 lbs jelly beans

x = 3y
x = 3(2)
x = 6....6 lbs gummy bears

x + y + z = 13
6 + 2 + z = 13
8 + z = 13
z = 13 - 8
z = 5........5 lbs gobstoppers

so we have : 6 lbs gummy bears (x), 2 lbs jelly beans (y), and 5 lbs gobstoppers (z)




5 0
3 years ago
Read 2 more answers
A windshield wiper turns through an angle of 150°. The top of the blade traces the are with a 20-inch radius. How long is the
aev [14]

Answer:

A

Step-by-step explanation:

Arc length is given by the formula:

\displaystyle s=2\pi r\frac{\theta}{360^\circ}

Where <em>r </em>is the radius and θ is the central angle, in degrees.

The windshield wiper has a radius of 20 inches and a central angle of 150°. Hence:

\displaystyle s=2\pi (20)\left(\frac{150}{360}\right)

Use a calculator:

\displaystyle s=\frac{50}{3}\pi \approx52.36\text{ inches}

Our answer is A.

3 0
3 years ago
What is the sum of 1 2/8 + 2 5/8
SVEN [57.7K]
Hey there!

1 + 2 = 3

2/8 + 5/8 . . .

= 7/8 (denominator stays the same)

3 + 7/8 = 3 7/8

The sum of the numbers 1 2/8 and 2 5/8 is 3 7/8.

1 2/8 + 2 5/8 = 3 7/8.

Hope this helps you.
Have a great day!
3 0
4 years ago
Need answer asap algebra 2
steposvetlana [31]

Answer:

j.coles better than kendrick, forest hills drive wipes everything

Step-by-step explanation:

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