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Irina18 [472]
3 years ago
7

What is the solution for the following equation? 3(a-7)=14-4a​

Mathematics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

a= 5

Step-by-step explanation:

3 (a-7)= 14-4a -Remove Parentheses

3a-21=14-4a -Move the terms

3a+4a=14+21 -Collect like terms

7a=35 -Divide both sides

a=5 - Solution

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Can anyone help me with this please ?
zlopas [31]
   
\displaystyle \bf\\
 \frac{x}{20} =  \frac{14}{25}  \\  \\  \\ 
x =  \frac{14 \cdot 20}{25} =  \frac{280}{25} = 11,2 \sim \boxed{10} ~~\text{(rounded to the nearest tenth)}



7 0
3 years ago
Pleeaaaaassssssseeeee help for brainlist and 100 points
emmainna [20.7K]

Answer:

Part A: C, Part B: A, E, i, K  160 cm, A: 21, Use PEMDAS and you get 13 5/7.

Step-by-step explanation:

1.6 x 100 meters = 160 centimeters

3 x 7/1 = 21/1 = 21

3 0
3 years ago
Read 2 more answers
The height of each story of an office building is 9 3/4 feet. The height is measured from the ceiling to the floor. The building
lesya692 [45]

Answer:

The correct answer is A) -19 1/2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Calculate the pay for the following day of a weekly time card given a wage of $14/hr
xxTIMURxx [149]

Answer: $122.50

Step-by-step explanation:

We know the difference between the time the employee clocked in and clocked out = 1200 - 0800 = 4 hours

The next clock in and out = 17:30 - 12:45 = 4 hours, 45 minutes.

These times combined = 8 hours, 45 minutes

\frac{45}{60} minutes in an hour = \frac{3}{4} of an hour.

The total time worked was 8 \frac{3}{4} hours.

Multiply 8.75 × $14 = $122.50

I am not a professional, simply using prior knowledge.

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8 0
3 years ago
— 25 — 3х + 5 or – 3х +5 — 31​
zysi [14]

Answer:

both should

be equal to hope my work is correct or helps

Step-by-step explanation:

first one

-25<-3x+5 subtract 5 from both sides

-25-5=-30

5-5=0

then divide by -3

-30 divided by -3 =10

x=10

so it is equal to not less than

second one

-3x+5<-31

subtract 5 from both sides 5-5=0

-31 -5=-36

then divide both sides by -3

x=12

1

6 0
3 years ago
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