3 years ago

The difference of five times a number and six is fourteen. Find the number

Mathematics

2 answers:

Pavlova-9 [17]3 years ago

8 0

Answer:

1.6

Step-by-step explanation:

1.6*5=8

8+6=14

AysviL [449]3 years ago

3 0

Answer:

x=4

Step-by-step explanation:

Problem set up is: 5x-6=14

5x=20

x=4

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What is the value of x (X+40) (3x) A. 20 B. 35 C. 60 D. 70

shtirl [24]

Answer: A. 20 is the answer.

Step-by-step explanation:

x+40 = 3x

or, 40 = 3x-x

or, 2x = 40

or, x = 40/2

so, x = 20

4 0

3 years ago

A time for the 100 meter sprint of 14.9 seconds at a school where the mean time for the 100 meter sprint is 17.6 seconds and the

kirza4 [7]

Answer:

Z-score = -1.285

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 17.6 seconds

Standard Deviation, σ = 2.1 seconds

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

For x = 14.9, we have:

$z_{score} = \displaystyle\frac{14.9-17.6}{2.1} = -1.285$

A z-score to be unusual if its z-score is less than -2.00 or greater than 2.00.

Thus, the z-score is not unusual as it lies in the range [-2.00, 2.00]

6 0

3 years ago

Which of the following best defines an input? A. An input is the result of a relation or the function rule, usually the y-values

telo118 [61]

I would say that the answer is D. :)

7 0

3 years ago

Read 2 more answers

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tankabanditka [31]

flip over the line, then slide up

4 0

2 years ago

Y = 4x + 5 ; y = x - 4

liubo4ka [24]

Answer:

(- 3, - 7 )

Step-by-step explanation:

Given the 2 equations

y = 4x + 5 → (1)

y = x - 4 → (2)

Substitute y = 4x + 5 into (2)

4x + 5 = x - 4 ( subtract x from both sides )

3x + 5 = - 4 ( subtract 5 from both sides )

3x = - 9 ( divide both sides by 3 )

x = - 3

Substitute x = - 3 into either of the 2 equations and evaluate for y

Substituting into (2)

y = x - 4 = - 3 - 4 = - 7

solution is (- 3, - 7 )

8 0

3 years ago