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Snezhnost [94]
3 years ago
15

What is the answer to this equation 3/7=c+4/35

Mathematics
2 answers:
sergey [27]3 years ago
7 0
C=11/35

You subtract 4/35 from both sides.
Allisa [31]3 years ago
4 0
\dfrac{3}{7} =c+ \dfrac{4}{35}  \text{Given Equation} 

\dfrac{3}{7} - \dfrac{4}{35} = c  \text{Subtract 4/35 from both sides} 

c= \dfrac{11}{35}  \text{Solution}
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andrew11 [14]
He gave away 8 so he would have 12/20 which is 60% left :)
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What is the equation that passes through the points (-2,-4) & (8,1) ??? Please help thanks.
Marizza181 [45]
To solve a Linear equation we need to find the slope:

-4-1 / -2-8 =1/2

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5 0
3 years ago
What are the remaining angle measures if the figure is to be a parallelogram?
goldfiish [28.3K]

The correct answer is  

m∠B ==101°,

m∠C =79°,

m∠D=101°

Step-by-step explanation:

  • As we know that, it is a parallelogram opposite angels are congruent
  • Therefore,  m∠A = m∠C and m∠B =m∠B
  • As we know that, If side a=79 then side c must also be equal to 79
  • When we consider all the angles and add them it must be equal to 360°
  • When we add 79+79 = 158°, which mean a=c= 158°
  • By subtracting all the sides of parallelogram which is 360- 158= 202°
  • If we divide it by 2 then we will get the value of the other side of the angle which is  b and d.
  • Dividing 202 by 2
  • \frac{202}{2} = 101°
  • Therefore, the value of b=d=101°
  • A Parallelogram is a flat shape with an opposite sides parallel and they are equal in length.
  • A parallelogram has four sides, and the opposite sides are parallel and they don't intersect.
3 0
3 years ago
Read 2 more answers
Use a system of equations to solve this problem.Bronze is a mix, or alloy, of tin and copper. A metal worker needs 100 g of bron
d1i1m1o1n [39]

Answer:

x = 50 grs

y = 50 grs

Step-by-step explanation:

" x "   is quantity of bronze of 5% tin

" y "   is quantity of bronze of 45% tin

The worker needs 100 grs of bronze and this bronze must be 25% tin

The mathematical expression for the 100 grs condition is:

x + y = 100

And the The mathematical expression for the % condition is:

0,05*x  + 0.45*y  = 0,25 * ( x + y )

The system is:

x + y = 100

0,05*x + 0,45*y = 0,25* ( x + y )

Solving this system we get values of x and y

y = 100 - x

0,05*x  + 0,45* ( 100 - x ) = 0,25 * ( x + 100 - x )

0,05*x  + 45 - 0,45*x = 0,25*( 100 )

0,05*x  + 45 - 0,45*x  = 25

- 0,4*x  = -45 + 25

x = 20/0,4            x = 50  grs

and y = 50 grs

8 0
3 years ago
Write the equation for a parabola with a focus at (9,0) and a directrix at y = -4.
Alika [10]

Answer:

Step-by-step explanation-3:

8 0
3 years ago
Read 2 more answers
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