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pishuonlain [190]
3 years ago
8

Find x when y=6 in the literal equation 5x +4y =39

Mathematics
2 answers:
notka56 [123]3 years ago
7 0
If I did it right then x would equal 3.
ira [324]3 years ago
7 0
5x + 4(6) = 36
5x + 18 = 36
- 18 -18
5x = 18

5/5 18/5

X= 3.6
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Round your answer to the nearest hundredth.
Dmitry_Shevchenko [17]

tan 35 = BC / 2

0.700 = bc/2

bc = 1.4

3 0
2 years ago
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3. Solve.<br>-11.0 – 3.5<br>​
Anon25 [30]

Answer:

-14.5

Step-by-step explanation:

  • Take - common: -(11.0+3.5)
  • Just add them in the bracket: -(14.5)
  • Remove the bracket: -14.5

5 0
2 years ago
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PLEASE ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
vovangra [49]

Answer:

it has to be 60

Step-by-step explanation:

4 x 15 = 60

5 0
3 years ago
A graduated cylinder actually contains 7.5 mm of water 1/2 measures the volume of the water inside the graduated cylinder is mea
Verdich [7]

Answer:

6.667%

Step-by-step explanation:

Given that:

Actual measurement = 7.5 mm

Measured value = 7 mm

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Error / (Actual measurement.) * 100%

(Actual measurement - measured value)

Error = 7.5 - 7 = 0.5 mm

Percentage error = (0.5 / 7.5) * 100%

Percentage error = 0.0666666 * 100%

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7 0
3 years ago
Can someone explain to me step by step solving this <br><br> 3/5 (1+p)=21/20
Romashka [77]

Answer:

FRACTION FORM  P=3/4

DECIMAL FORM P=0.75

Step-by-step explanation:

1)Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation

2) simplify 21/20

3)   3               21

   (— • (p + 1)) -  ——  = 0  

     5               20

4) 3 • (p + 1)    21

 ——————————— -  ——  = 0  

      5         20

5)calculate the least common multiple

6)left denominator is 5

7) right denominator is 20

8)so lcm is 20

9)calculate multipliers for both fractions

10) rewrite both into equivalent fractions

11) then multiply the numerator of each fraction

12)Add the two equivalent fractions which now have a common denominator

13)pull out the like factors

14)get rid of the denominator

15)the 20 cancels out on the left side

16)Add  3  to both sides of the equation :  

                     4p = 3  

17)Divide both sides of the equation by 4:

                    p = 3/4 = 0.750

HOPE THIS HELPS!!

6 0
3 years ago
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