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Anastaziya [24]
3 years ago
12

Where do i start this equation x(x-3) when x=7 ?

Mathematics
2 answers:
Harrizon [31]3 years ago
4 0
Answer:

28

Step-by-step explanation:

x(x - 3) where x = 7

Step 1. Substitute x for 7

7((7) - 3)

Step 2. Subtract

7(4)

Step 3. Multiply

28
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

28

Step-by-step explanation:

when x = 7,

Substituting value of x in the given equation,

x(x-3)

=> 7(7-3)

=> 7(4)

=> 28

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AD also equal 14

Step-by-step explanation:

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irina1246 [14]

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C and D are the right answers

Step-by-step explanation:

3 0
3 years ago
Can you please show the working?
creativ13 [48]

The Price of Car A rounded to the Nearest £100 is £12400

The Price of Car B rounded to the Nearest £100 is £16800

The Price of Car C rounded to the Nearest £100 is £14600

Difference between the Rounded Price and Original Price of Car A :

⇒ (£12400 - £12380) = £20

Difference between the Rounded Price and Original Price of Car B :

⇒ (£16800 - £16760) = £40

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⇒ (£14600 - £14580) = £20

From the above, We can Notice that :

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4 0
3 years ago
If a starting number is 30 and it falls to 11 what % decrease is that?
jonny [76]

Answer:

The question would've given you to what number you should round up your answer.

Answer is:

Whole number:

63%

1 decimal place:

63.3%

2 decimal places:

63.33%

Exact number:

\frac{190}{3}%

Step-by-step explanation:

So the starting no. = 30

Ending no. = 11

In order to evaluate the percentage of decrease we:

(Ending number/starting number) * 100

So:

\frac{11}{30} *100 = \frac{11}{3} *10 = \frac{110}{3}%%

To find the Decrease percentage:

100 % - 110/3 %

= 63.333%

3 0
3 years ago
The difference of 5 times y and 3
saul85 [17]
The way to find the difference between 5y - 3 you have to first do the inverse operation of multiplication which is division.

                5y - 3
                __   __
                5      5

                 y - 0.6
3 0
3 years ago
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