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3 years ago

8 wholes and 4/6 minus 2 wholes and 5/6 is what

Mathematics

1 answer:

podryga [215]3 years ago

5 0

The answer to your problem should be 5 wholes and 5/6 since the denominators are the same just add 6 more pieces to 4/6 to get an improper fraction then subtract to get the answer. Hope this helps and have a fabulous day!

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During a tunnel construction project, engineers used explosives to excavate partway into a mountain. Because of time constraints

AnnyKZ [126]

The given data can be tabulated as:

number of days,x length of tunnel (ft), y

0 225

5 350

20 725

30 975

55 1,600

To check if the growth is linear, the slope at points (0, 225) and (5, 350), and (0, 225) and (20, 725) should be equal. The formula for slope is:

m = (y2 – y1) / (x2 – x1)

Finding for slope (0, 225) and (5, 350):

m = (350 – 225) / (5 – 0) = 25

Finding for slope (0, 225) and (20, 725):

m = (725 – 225) / (20 – 0) = 25

Therefore the equation is linear in the form of:

y = mx + b

where b is the value of y at x = 0, so b = 225

The complete equation is:

y = 25x + 225

At x = 86 days

y = 25(86) + 225

y = 2,375 ft

Therefore the length of the completed tunnel is 2,375 feet.

5 0

3 years ago

Does anyone know it?

SCORPION-xisa [38]

Answer:

i know the ANSWER!

Step-by-step explanation:

6 0

3 years ago

Please Help Me ;-;

ANTONII [103]

slope = (y2-y1)/(x2-x1)

= (2--1)/(5-1)

= (2+1)/(4)

=3/4

The point slope from of a line is

y-y1 = m(x-x1)

y--1 = 3/4 (x-1)

y+1 = 3/4 (x-1)

3 0

3 years ago

Autumn drives 825 miles to Florida. The trip takes her 17 hours. She uses 38 gallons of gas on the trip, which cost her $125. Fi

Dmitry [639]

$speed \: equals \: distance \div time$
speed equals 825 divided by 17
speed equals to 48.5miles per hour

gas mileage equals to 825/38
gas mileage equals to 21.7

125/38 equals to 3.3 unit price

8 0

3 years ago

Find the 63rd term for the sequence,<br> 8, 11, 14,...

Mariana [72]

Answer:

194

Step-by-step explanation:

t63 = t1 + (n - 1)(d)

= 8 + (63 - 1)(3)

= 8 + (62)(3)

= 8 + 186

= 194

6 0

2 years ago