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mihalych1998 [28]
3 years ago
13

Please solve each equation & check your solution. Thank You!

Mathematics
1 answer:
Deffense [45]3 years ago
8 0

Answer:

G). 1.2x + 7.92 -3.3x = 41

-2.1x=33.08

x = 33.08/-2.1

x = - 15.752

H). 3x/2 + 9/5 = 12

Multiply through by 10

15x + 18 =120

15x =120-18

15x = 102

x =102/15

x=34/5

I). 5 = 9/4 - r/3

Multiply through by 12

60= 27 - 4r

60 - 27 = -4r

33 = - 4r

r = -33/4

J). 2(x - 2) = 12

2x - 4 = 12

2x = 16

x = 16/2

x = 8

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Kazeer [188]

Answer:

The solutions are given below:

Step-by-step explanation:

x(x-3)+4(x²+2)

= x²-3x+4x²+8

= x²+4x²+8-3x

= 5x²+8-3x

2(a+5)-3(a+7)

= 2a+10-3a-21

= 2a-3a+10-21

= -a-11

xy(x²yz-xy²z+xyz²)

= x³y²z-x²y³z+x²y²z²

-4(a²-2a+8)

= -4a²+8a-32

<h3>Hope it helps !</h3>
8 0
3 years ago
Read 2 more answers
CB = 4, CA = 11 , and CE = 8 , what is the length of overline ET ?
erma4kov [3.2K]
  • AB=11-4=7

\\ \rm\hookrightarrow \dfrac{BC}{AB}=\dfrac{CE}{ET}

  • ET be x

\\ \rm\hookrightarrow \dfrac{4}{7}=\dfrac{8}{x}

\\ \rm\hookrightarrow 4x=56

\\ \rm\hookrightarrow ET=x=14

8 0
2 years ago
Use the table to work out the values of a , b , c , and d .​
slavikrds [6]

Answer:

a = 10, b = 6, c = 2, d = 0

Step-by-step explanation:

Substitute the appropriate values of x into the equation and evaluate

x = - 3 : y = 4 - 2(- 3) = 4 + 6 = 10 → a

x = - 1 : y = 4 - 2(- 1) = 4 + 2 = 6 → b

x = 1 : y = 4 - 2(1) = 4 - 2 = 2 → c

x = 2 : y = 4 - 2(2) = 4 - 4 = 0 → d

5 0
3 years ago
Read 2 more answers
Use consults and consideration in one sentence
den301095 [7]

Answer:

Inspite of giving special consideration to a particular employee, Jack consults everyone before taking any decision regarding the changes in the company's policy.

3 0
3 years ago
Read 2 more answers
Attendance at a museum more than tripled from Monday to Saturday. On Monday, 186 people went to the museum. How many people went
ira [324]

Answer:

The number of people who visited  museum on Saturday is 558.

Step-by-step explanation:

Number of people went to museum on Monday = 186

Also, the number of people triples on Saturday.

So, Number of people visited on Saturday  

= 3 x Number of people who visited museum on Monday

= 3 x 186 = 558

Hence, the number of people who visited on Saturday is 558.

7 0
3 years ago
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