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2 years ago

6

The quotient of five times a number and 7 is no more than 10

2 answers:

Akimi4 [234]2 years ago

3 0

The sentence in numerical form is 5x/7≤10
to solve, multiply by 7
5x≤70
lastly, divide by 5
x≤14

KIM [24]2 years ago

3 0

14 is the answer okkkkkkkkkkkkkkkkkkkk

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2 years ago

What percent of 60 is 12? Show your work. Is this wrong or right. 60/100 = 0.6*12 7.2% or do i removes the .2 off the percentage

Troyanec [42]

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3 years ago

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2 years ago

The amount in kilograms, a, of a radioactive element that remains after t hours can be modeled by the equation a= 0.65(0.92)to t

elena-14-01-66 [18.8K]

Answer:

The rate of decrease is 8%

Step-by-step explanation:

we know that

The general equation for the radioactive decay can be written as:

$a=a_0(1-r)^t$

where

a is the amount in kilograms after time t.

a_0 is the original amount of the substance or y-intercept of the function

r is the decay rate, written in decimals.

t is the time

In this problem we have

$a=0.65(0.92)^t$

so

$a_0=0.65\\(1-r)=0.92$

solve for r

$r=1-0.92=0.08$

Convert to percentage

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3 years ago

Calculate the total interior angle of an octagon

slava [35]

<h2>1080°</h2><h2></h2>

basically, the sum of all of the internal angles will be 1080

when you add all interior angles in an octagon you should get 1080

hope that helps !

8 0

2 years ago

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