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Tema [17]
4 years ago
6

3.2=4/5(b-5) what is b​

Mathematics
1 answer:
Anastaziya [24]4 years ago
3 0

Answer:

b=9

Step-by-step explanation:

3.2=4/5b-4

7.2=4/5b

9=b

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The sum of two number is 6. Twice the first number added to three times the second number is 10. Write a system of equations and
seropon [69]

Answer:

4 and 2 are the required numbers which satisfies the given equations

Step-by-step explanation:

Let the two numbers be x and y

According to the first condition

their is is 6

which is

x + y =6                ........................(i)

Now according to second condition

twice the first number i.e. 2x added to three time the second number i.e. 3y is 10

in form of equation it could be written as

2x + 3y = 10           ........................(ii)

Now from first equation we have

x + y =6

subtracting y from both sides

x = 6 - y                    .....................(iii)

Now putting this value of x in equation (ii)

equation (ii) is

2x + 3y = 10

Putting the value gives

2(6-y)+3y = 10

opening the brackets

12 - 2y + 3y = 10

12 - y = 10

subtracting 12 from both sides

12 - y -12 = 10 -12

it becomes

- y = -2

multiplying both sides by (-1)

it becomes

(-1)(-y) = (-2) * (-1)

y = 2

Now we got the value of y put it in equation iii which is

x = 6 -y

putting the value

x = 6 - 2

x = 4

So the two numbers are x = 4 and y = 2

3 0
3 years ago
I need help with this I been trying to find the answer but I can’t
Pani-rosa [81]

Answer:

The correct answer is 42

Step-by-step explanation:

42÷6=7

4 0
3 years ago
Read 2 more answers
I'd appreciate an answer to this.
Simora [160]

Answer:

  C.  0.366

Step-by-step explanation:

In this stemplot, it is apparent that the number on the right is the least-significant digit (thousandths digit) of the batting average. The two most-significant digits are to the left of the vertical line.

Hence the value 0.36 | 6 represents an average that is 36 hundredths plus 6 thousandths: 0.366.

4 0
3 years ago
Suppose that the compound inequality is changed to y-3>5 and y+3<-2 which statement describes the valid solutions for this
Irina-Kira [14]
B, that would be my best guess
8 0
3 years ago
HELP ASAP!!!!!!!NEEDDD ANSWERSSSS
emmainna [20.7K]

Answer:

Step-by-step explanation:

12 yd : 20 yd

both has yd on both sides, this means 12:20 = 12/20

12/20 simplified: 3/5

3 0
3 years ago
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