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zloy xaker [14]
4 years ago
10

3+ 6x - x = 33 Can you find the answer

Mathematics
2 answers:
larisa [96]4 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

Subtract x from 6 x .

3 + 5 x = 33

Move all terms not containing x to the right side of the equation.

Subtract 3 from both sides of the equation.

5 x = 33 − 3

Subtract 3 from 33 . 5 x = 30

Divide each term by 5 and simplify.

Divide each term in 5 x = 30 by 5 .

Reduce the expression by cancelling the common factors.

x = 30

\frac{5x}5} = \frac{30}5} 5

Divide 30 by 5 .

x = 6

SVEN [57.7K]4 years ago
3 0

Answer:

x=6

Step-by-step explanation:

6x-x=5x

33-3=30

30/5=6

x=6

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The mean height of women in a country​ (ages 20-​29) is 64.5 inches. A random sample of 75 women in this age group is selected.
Allushta [10]

Answer:

0.07378

Step-by-step explanation:

We solve using z score formula

z = (x-μ)/σ/√n, where

x is the raw score = 65 inches

μ is the population mean= 64.5 inches

σ is the population standard deviation = 2.99

n = 75

z = 65 - 64.5 /2.99/√75

z = 0.5/0.345255461

z = 1.4482

Probability value from Z-Table:

P(x<25) = 0.92622

P(x>25) = 1 - P(x<25)

= 1 - 92622

= 0.07378

The probability that the mean height for the sample is greater than 65 ​inches is 0.07378

4 0
3 years ago
What is the answer to use an integer to describe sea level
Allisa [31]

Answer:

an integer is any whole number

if it is 5 below sea level then it is -5

Step-by-step explanation:

think of sea level like 0

6 0
3 years ago
Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0 0 cannot be determined 1 2
jeka94
There are two real number solutions for that equation. 
4 0
3 years ago
How many terms are in this expression? d + 8c + 7 ​
Fantom [35]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
In the right triangle shown, DF=EF=3DF=EF=3D, F, equals, E, F, equals, 3.
timofeeve [1]

Answer:

DE = 4.24

Step-by-step explanation:

The diagram is not shown; However, the question can still be solved without the diagram.

Having said that,.

Given that

DF = EF = 3

This implies that DE is the hypothenus and will be solved using Pythagoras theorem.

DE² = EF² + DF²

Substitute 3 for EF and DF

DE² = 3² + 3²

DE² = 9 + 9

DE² = 18

Take Square Root of both sides

DE = √18

DE = 4.242640687119285

DE = 4.24 (Approximated)

8 0
4 years ago
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