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dedylja [7]
3 years ago
6

Would is the answer to -27/9=R/3

Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

r = -9

Step-by-step explanation:

in order to evaluate for the value of R  , the first step to do is to cross multiply and then combine the like terms together.

solution

-27/9=R/3

we are going to cross multiply

-27 x 3 = 9 x R

-81 = 9R

divide both sides by the coefficient of R which is 9

-81/9 = 9r/9

-9 = r

therefore r = -9

therefore the value of R in the expression is evaluated to be equals to -9

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What is 66.087, 67, 66.87, and 66.6 from least to greaest
polet [3.4K]
Line up the numbers at the decimal and follow each digit from left to right and find the greatest. Obviously, 67 comes after 66, so that is going to be the greatest. Now in the tens place after the decimal, 0 is the least (66.087), so it will go first, then 6 (66.6), then 7 (66.87).
66.087,
66.6,
66.87,
67.00
8 0
4 years ago
Kyle earned 4 times as much as Ken last summer. If they earned a total of $750, how much did they each earn?
Sholpan [36]

Answer:

600, 150

Step-by-step explanation:

Kyle is x

ken is y

x = 4y

x+y = 750

replace x with 4y

4y + y = 750

5y = 750

y = 150

so ken earned 150

x + 150 = 750

x = 600

so Kyle earned 600

6 0
3 years ago
What is the equation of this line?
Oduvanchick [21]

Answer:

y=4/3x-3

Step-by-step explanation:

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

5 0
3 years ago
How quickly do synthetic fabrics such as polyester decay in landfills? A researcher buried polyester strips in thes oil for diff
ad-work [718]

Answer:

no enough evidence to draw up a conclusion

Step-by-step explanation:

Data:

let: \mu _{1} = decay after 2 weeks

    \mu _{2} = decay after 16 weeks

Making the hypotheses:

Null hypothesis; H_{o} = \mu _{1}  - \mu _{2} = 0

the deviation = 0.05

the standard difference  = 4

Conditions:

The normal distribution curve can be plotted on a graph and the plot shows that the distribution is a skewed distribution.

Then,

t = \frac{(123.8-16.4)-0}{\sqrt{\frac{4.6^{2} }{5}+\frac{16.09^{2} }{5}   } } \\  = 0.989

Therefore, it can be concluded that 0.1983 > 0.05. This presents our failure to reject the null hypothesis.

Thus, there is not enough evidence to conclude that polyester decays more in less than 2 weeks.

5 0
3 years ago
10 quarters 17 dimes 40 nickels 15 pennies answer
Oliga [24]

If the given quantities are 10 quarters 17 dimes 40 nickels 15 pennies then the total money would be 6.35 dollars.

<h3>What is the fundamental principle of multiplication?</h3>

If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

Quarters are worth .25 of a dollar

10 x .25 = 2.5

Dimes are worth .10 of a dollar

17 x .10 = 1.7

Nickels are worth .05 of a dollar

40 x .05 = 2

Pennies are worth .01 of a dollar

15 x .01 =  0.15

Add this together

2.5 + 1.7 + 2 + 0.15

= 6.35

Learn more about multiplication;

brainly.com/question/11165925

#SPJ1

4 0
2 years ago
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