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Svetradugi [14.3K]
2 years ago
8

What is the sum (x - 2) + (3x + 8) if x = 2?

Mathematics
1 answer:
alexandr402 [8]2 years ago
7 0

Answer:

14

Step-by-step explanation:

2-2=0

3*2=6

6+8=14

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The formula for the cost of buying a car is:
Mice21 [21]

Answer:

a) The cost of buying this car is of £6200.

b) The monthly payment is of £450.

Step-by-step explanation:

The cost of buying a car is given by:

cost = 12 X monthly payment + deposit

a) Find the cost of a car when the monthly payment is £350 and the deposit is £2000.

So

cost = 12*350 + 2000 = 4200 + 2000 = 6200

The cost of buying this car is of £6200.

b) The cost of another car is £8000. Find the monthly payment when the deposit is £2600.

Again, the formula is applied. So

cost = 12 X monthly payment + deposit

8000 = 12x + 2600

12x = 5400

x = 5400/12

x = 450

The monthly payment is of £450.

7 0
3 years ago
a set of data has the following linear regression equation y = 1+3x what does the equation predict for a value of x=14?
trasher [3.6K]
In this problem, you are simply going to input 14 for x in your equation.

y = 3x + 1
y = 3(14) + 1
y = 42+1
y = 43
This means, when x=14, y=43

Hope this helps!
6 0
2 years ago
Graph the set.<br> (-∞, 5]
iris [78.8K]

The closed bracket at 5 means there is a closed circle.

The fact it goes to negative infinity means the graph goes infinitely to the left.

6 0
10 months ago
7x10^6 is _________ x the value of 2x10^4
sashaice [31]

Answer:

350

Step-by-step explanation:

so the first step is to find the values of each of them

7x10^6=7000000

2x10^4=20000

then we divide 7000000 by 20000

7000000/20000=350

so the answer is 350

hope this helps :)

8 0
3 years ago
20 POINTS!
Norma-Jean [14]

Answer:

C. x^{3} - 4x^{3} - 24x + 21

Step-by-step explanation:

(x - 7)(x^{2} + 3x - 3)

x(x^{2} + 3x - 3) + -7(x^{2} + 3x - 3)

(x^{3} + 3x^{2} - 3x) + (-7x^{2} + -21x + 21)

x^{3} - 4x^{3} - 24x + 21

5 0
1 year ago
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