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inna [77]
3 years ago
8

Find the angle vector of 7j +10 k,i +6j+6k,-4i+9j+6k​

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

Right angled and isosceles

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Initially 100 milligrams of a radioactive substance was present. After 6 hours the mass had decreased by 2%. If the rate of deca
LenaWriter [7]

The amount of radioactive material remaining after 24 hours is 92.15 kg.

<h3>Exponential function</h3>

An exponential function is in the form:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the amount of the substance after t hours.

From the equation, a = 100 mg

Also, after 6 hours:

100-100*2\%=100b^6\\\\98=100b^6\\\\b=0.9966

After 24 hours:

y = 100(0.9966)²⁴ = 92.15 kg

The amount of radioactive material remaining after 24 hours is 92.15 kg.

Find out more on Exponential function at: brainly.com/question/12940982

4 0
3 years ago
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!
V125BC [204]

Answer:

option A

Step-by-step explanation:

<h2><em>Note: </em></h2>

when there is an open circle, that means Less than or equal to.

if and when there is a Closed, colored Circle, It's Greater than or equal to or less than or equal to

5 0
3 years ago
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Pls help me complete this
daser333 [38]

Answer:

415

Step-by-step explanation:

you would find out what the percentage of the first amount then multiply that decimal by 1200.

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7 0
3 years ago
Hi there it's me again! Sorry to bother you, but can someone help me out with this?
stiv31 [10]

Answer:

hey,

your answer Is 1. :)

Step-by-step explanation:

no matter how many lines we try to draw which pass thru broh A and B, there would just be 1 straight line passing thru both points A and B.

I didn't do the activity tho

you can use a plain sheet of paper as a plane. and draw points A and B on it and then connect them drawing a straight line from A to B.

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3 years ago
Which algebic expression is ""ten less than a number divided by twelve""?
butalik [34]

Answer:

N/12 -10

Step-by-step explanation:

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3 years ago
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