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3 years ago

What is 7% of £14.50

1 answer:

6 0

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Change the percentage to decimal
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7% = 0.07

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Find the percentage
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0.07 x £14.50 = 1.015

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Answer: 1.015
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The product of 2, and a number increased by 7, is -36

vodka [1.7K]

Here is the equation you should use.

2(x+7) = -36

4 0

3 years ago

BC = 11, AB= x + 4, and AC = 7x - 3. Find x.

Andrei [34K]

Answer:

x = 3

Step-by-step explanation:

Assume that points A, B, C are collinear.

Thus, we have that AB + BC = AC, so that

(x + 4) + 11 = 7x - 3

x + 15 = 7x - 3

7x - 3 = x + 15

6x = 18

x = 3

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3 years ago

Weekly wages at a certain factory are

Furkat [3]

Answer: 0.1359

Step-by-step explanation:

mean = $400

Standard deviation = $50

Since the wages is normally distributed , the first thing is to find the z - score.

z = $\frac{x-mean}{standard deviation}$

finding the z - value for 300 and 350 , we have

z = $\frac{300-400}{50}$

z = $\frac{-100}{50}$

2 = -2

also

z = $\frac{350-400}{50}$

z = $\frac{-50}{50}$

z = -1

The next thing is to check the calculated value on z - table.

From z - table :

P (z $\leq$ -2 ) = 0.0228

P ( z $\leq -1$ ) = 0.1587

combining the two

P ( -2 $\leq$ z $\leq$ -1 ) = 0.1587 - 0.0228

P ( -2 $\leq$ z $\leq$ -1 ) = 0.1359

Therefore , the the probability that a worker

selected at random makes between

$300 and $350 = 0.1359

3 0

3 years ago

A pendulum swings through an angle of 20 degrees each second. If the pendulum is 40 inches long how far does the tip move each s

Olin [163]

If the pendulum is 40 inches long, its tip moves 13.96” each second. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

3 0

3 years ago

a hockey season ticket holder pays $99.26 for her tickets plus $4.50 for a program each game. A second person pays $18.68 for a

blsea [12.9K]

Answer:

7 games

Step-by-step explanation:

First Person:

Fixed Cost of 99.26

Variable Cost of 4.50 per game (program cost)

Second Person:

No Fixed Cost

Variable cost of 18.68 per game (ticket cost)

Now, we let the number of games be "x", so we can write 2 equations for each person. Then we equate and find at what number of games, the amount paid by both person would be same. Shown below:

First Person Equation:

99.26 + 4.50x

Second Person Equation:

18.68x

Now, equate and solve for x:

99.26 + 4.50x = 18.68x

99.26 = 18.68x - 4.50x

99.26 = 14.18x

x = 99.26/14.18

x = 7

So, the answer is 7 games

7 0

4 years ago