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myrzilka [38]
3 years ago
14

Four less than 5 times a number is equal to 6 more than 3 times a number

Mathematics
2 answers:
Vlad1618 [11]3 years ago
6 0
Hey \\ there!

5s -  4 =  3s + 6 \\ 5s - 3s = 4 + 6 \\  5s - 3s = 2s \\ 4 + 6 = 10 \\ 2s = 10 \\   \frac{2s}{2}  =  \frac{10}{2} \\  \frac{2s}{2}  = 1 (Cancel) \\   \frac{10}{2} = 5  (Keep) \\ Answer:  s = 4

Good \\ luck \\ on \\ your \\ assignment \\ and \\ enjoy \\ day \\ \\ \\  \\ LoveYourselfFirst:)

stira [4]3 years ago
3 0

You have to formulate an equation for this problem.

Let x = the number asked in the problem

5x – 4 = 3x + 6

Solve the equation.

5x – 3x = 6 + 4

2x = 10

X = 5

Therefore, the number is 5.

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A new surgery is successful 85% of the time. If the results of 6 such surgeries are randomly sampled, what is the probability th
Leno4ka [110]

The probability that fewer than 4 of them are successful are 0.9527

<u>Explanation:</u>

Given:

number of trials, n = 6

p(successful) = 0.85

P(x >= 4) = ?

The problem can be solved using binomial probability formula.

 P(x >= 4) = 1 - binomcdf(6,0.85,4) = 1 - 0.0473

               = 0.9527

Therefore, the probability that fewer than 4 of them are successful are 0.9527

8 0
3 years ago
Find the number whose 13% is 65.​
vodomira [7]

Answer:

500

Step-by-step explanation:

A = the unknown number that we need to find

A x 13/100 = 65

=> A x 13 = 6500

=> A = 6500 / 13

=> A = 500

13% of 500 is 65.

Let's check whether the answer is correct or not.

=> 500 x 13/100

=> 5 x 13

=> 65.

So, the number whose 13% is 65 is 500

3 0
3 years ago
Read 2 more answers
Can you write to me explaining this please
Mnenie [13.5K]

Answer:

In addition, from the response shown, using a graphical calculator brings the following benefits:

1) You can write the system of linear equations as big as you want. This is: systems 3 * 3, 4 * 4, 5 * 5.

2) The response to systems of equations greater than 2 * 2 can be complicated when you graph the solution, therefore, the graphing calculator can be much more efficient in these cases.

3) You can write the linear equations in any way. Resolving by hand you should probably rewrite the system of equations to find the solution.

Step-by-step explanation:

7 0
3 years ago
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Answer:

The sale price will be 143.20

Step-by-step explanation:

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179 - 35.80 = 143.20

6 0
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A bike rental company charges $10 plus a charge per for the distance ridden. the total cost, t, can be represented by the equati
goblinko [34]

Answer:

c=\frac{t-10}{m}

Step-by-step explanation:

t=10+cm

Subtract 10 from both sides:

t-10=cm

Divide both sides by m:

\frac{t-10}{m}=c

Placing c on the left:

c=\frac{t-10}{m}

For example, if the total charge is $27.50 and the distance ridden is 250 mi, we can calculate the additional cost per mile, as such:

c=\frac{27.50-10}{250}

c=0.07

4 0
1 year ago
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