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Shkiper50 [21]
3 years ago
11

Three fourths of a square is what percent

Mathematics
1 answer:
zzz [600]3 years ago
5 0
So 3/4 of a square
percent means parts out of 100 so
x/100=x%
we need to find an equivilent fraction that has a denomenator of 100
3/4=x/100
solve for x
mulitpl  yboth sides by 100
300/4=x
75=x
answer is 75%
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The sale tax is $45 on the purchase of a dining room set for $1125. Find the sales tax rate?
Tanzania [10]

Answer:

= 4%

Step-by-step explanation:

Rate is in %

(45/1125) * 100 = 4%


5 0
3 years ago
The average price (in dollars) to rent a studio in a certain city can be approximated by the equation p=28.2t+644 where t is the
egoroff_w [7]

p = 28.2t + 644\\\\p-644 = 28.2t\\\\\frac{p-644}{28.2} = \frac{28.2t}{28.2}\\  \\t = \frac{p-644}{28.2}

t = \frac{1320.80-644}{28.2} \\\\t = 24

It will take 24 years.

6 0
3 years ago
the relationship between altitude and the boiling point is linear.AT an altitude of  8300ft 8300 ft , the liquid 
mojhsa [17]

Complete Question

The  relationship  between  altitude  and  the  boiling  point  is  linear. At  an  altitude  of   8300ft, the  liquid  boils  at   194.23 °  F

At  an  altitude  of   4200 ft ,  the  liquid  boils  at   202.02° F.

Write  an  equation  giving  the  boiling  point   b  of  the  liquid,  in  terms  of  altitude  a  in   feet . feet . What  is  the  boiling  point  of  the  liquid  at   2600ft

Answer:

The equation is  y  =  -0.001943x + 210.3569

At  2600ft  the temperature is  y  =  205.3051 \  °F

Step-by-step explanation:

From the question we are told that

    The temperature at 8300ft is 194.23 °  F

    The  temperature at 4200 ft is 202.02° F

Generally the slope for this relationship is mathematically represented as

      m  =  \frac{ 202.2 - 194.23}{ 4200 - 8300}

=>     m  = 0.001943  ^o  F / ft  

Generally the according to the point slope formula is

      y - y_1  =  m(x -x_1 )

=>   y - 194.23 =  -0.001943 (x - 8300 )

=>  y - 194.23 =  -0.001943x + 16.1269

=>  y  =  -0.001943x + 210.3569

Now we are given from the question that   x =  2600 ft

Then  

         y  =  -0.001943(2600) + 210.3569

=>      y  =  205.3051 \  °F

   

5 0
4 years ago
Mrs. Bryant is making 17
torisob [31]
The answer is 1940 or 7:40 which is 5 hours earlier than when she started.

To get the answer you multiply 17 by 30 which is 510. Next you add 510 and 1430 which is 1940. To get to regular time and not military time, subtract 12 from 19 and there you go! Hope this helps!!:))))))
4 0
3 years ago
What's 0.00045 in scientific notation
Diano4ka-milaya [45]
4.5 × 10-4.
or
4.5E-4
4 0
4 years ago
Read 2 more answers
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