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gregori [183]
3 years ago
7

ANSWER FAST 2(7x + 4y = 14x +

Mathematics
2 answers:
Rudik [331]3 years ago
7 0
2(7x+4y)=14x

14x+8y+−14x=14x+−14x

8y=0

8y+−8y=0+−8y
0= -8y
0/0=-8y/0

Answer : -8/0
goldenfox [79]3 years ago
3 0

Answer:

Step-by-step explanation:

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1.) 7+7/9x=−42 2.) 4x+1=−15 3.)−4(x−3)=−40
Over [174]

Answer:

1) x= -1/27

2) x=-4

3) x=13

Step-by-step explanation:

1) 7+7/9x= = -42

   14/9x= = -42

  14/9x X 9x= -42 X 9x

    14= -378x

    -378x= 14

   -378x/-378= 14/-378

      x= -1/27

2) 4x+1=−15

 4x+1-1=-15-1

    4x=-16

   4x/4= -16/4

      x=-4

3) −4(x−3)=−40

 -4(x-3)/-4= -40/4

     x-3=10

   x-3+3=10+3

        x=13

8 0
3 years ago
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You deposit $800 in an account that earns simple interest at an annual rate of 5%.
S_A_V [24]

Step-by-step explanation:

$800 × 5% = $40

for 1 year, I earn $40

100 ÷ 40 = 2 remainder 2

Therefore I would have to leave the money in for at least 3 years to earn $100

7 0
4 years ago
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Choose the correct order when finding the space between the cylinder and cone.1.Find the difference of the volume2.find the volu
Lelu [443]

The formula for the volume of the cylinder is given as

v=\pi r^2h

*Here r is the radius

*Here h is the height

The formula for the volume of the cone is given as

V=\frac{1}{3}\pi r^2h

The difference of the volume is calculated as

\begin{gathered} dV=v-V \\ =\pi r^2h-\frac{1}{3}\pi r^2h \\ =\pi r^2h(1-\frac{1}{3}) \\ =\pi r^2h\times(\frac{2}{3}) \end{gathered}

Thus, the correct order is (A) i.e 3, 2,1

5 0
1 year ago
What is 11/7 simplified
dmitriy555 [2]

Answer:

1.571429

Step-by-step explanation:

1.571429

this is the ans ig

5 0
3 years ago
Guys help me please
Svetlanka [38]
I think your answers are a b and c but I’m not exactly sure, sorryy:)
7 0
3 years ago
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