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3 years ago

8-6 2/3=? Solve and show how you got the answer

Mathematics

2 answers:

Zolol [24]3 years ago

6 0

Answer: 1 1/3

Step-by-step explanation:

Turn 6 2/3 into a improper fraction (20/3)

Subtract 8 - 20/3

Get 4/3 turn 4/3 into a mix number and get 1 1/3

laila [671]3 years ago

4 0

Answer:

1 1/3

Step-by-step explanation:

Here we're subtracting the mixed number 6 2/3 from the integer 8.

We'll have to borrow from the 8, as follows:

8 => 7 3/3

Then 8-6 2/3 becomes 7 3/3 - 6 2/3, which simplifies to 1 1/3.

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A sample of radioactive material disintegrates from 6 to 4 grams in 100 days. After how many days will just 3 grams remain?

Llana [10]

Answer:

150 days

Step-by-step explanation:

6-4=2

100/2=50

50*3=150

5 0

4 years ago

a 10-kg object traveling at 6 m/s collides head on with a 2-kg object at rest. What is the total momentum of the system after th

Neko [114]

Answer:

M1V1i+M2V2i=(M1 + M2)vf

(10)(6)+(2)(0)=(10+2)vf

60=12vf

60÷12 =12vf÷12

5=vf

::Vf=5ms-1 to the right

7 0

3 years ago

What are the x intercepts of the graph of the function (x-2) (x+1)

marusya05 [52]

Answer:

The X intercepts would be -1 and 2

4 0

3 years ago

Read 2 more answers

Avani is trying to find the height of a radio

kiruha [24]

Answer:

The height of the antenna is 7.0 m

Step-by-step explanation:

Let the height of the antenna be represented by x, and the distance from Avani's eyes to the top of the building A by y. And let z = x + y, so that:

Tan 42 = $\frac{y}{21}$

y = Tan 42 x 21

= 0.9004 x 21

= 18.9084

y = 18.91 m

Also,

Tan 51 = $\frac{z}{21}$

z = Tan 51 x 21

= 1.2349 x 21

= 25.9329

z = 25.93 m

Therefore,

x = z - y

= 25.93 - 18.91

= 7.02

x = 7.02 m

The height of the antenna is 7.0 m

8 0

3 years ago

Mike went to his local zoo that featured 12 reptile exhibits. If the zoo features 40 exhibits in total, then what percent of the

zepelin [54]

Answer:

30%

Step-by-step explanation:

The local zoo contained 40 exhibits in total. It contained 12 reptile exhibits.

The percentage of the zoo's exhibits that feature reptiles is gotten by dividing the number of reptile exhibits by the total exhibits and then, multiplying by 100:

=> (12 / 40) * 100

= (3 / 10) * 100 = 300 / 10

= 30%

30% of the zoo's exhibits feature reptiles.

5 0

4 years ago