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Mama L [17]
3 years ago
12

Friendly strategy 8 times 25 times 23

Mathematics
1 answer:
AleksAgata [21]3 years ago
3 0
The answer for you're question is 4600


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F(x) = 3 x 2 − 3 x − 6 The domain of a the function f(x) is { -10, -1, 1, 5 }. What is the range of the relation?
jonny [76]

Answer:

{324, 0, -6, 54}

Step-by-step explanation:

Given that F(x) = 3x² − 3 x − 6 If the domain of a the function f(x) is { -10, -1, 1, 5 }.

To get the range, we will find f(x) for all the domains

at x = -10

f(-10) = 3(-10)²-3(-10) - 6

f(-10) = 3(100)-3(-10) - 6

f(-10) = 300+30-6

f(-10) = 330-6

f(-10) = 324

at x = -1

f(-1) = 3(-1)²-3(-1) - 6

f(-1) = 3(1)-3(-1) - 6

f(-1) = 3+3-6

f(-1) = 6-6

f(-1) = 0

at x = 1

f(1) = 3(1)²-3(1) - 6

f(1) = 3(1)-3(1) - 6

f(1) = 3-3-6

f(1) = 0-6

f(1) = -6

at x = 5

f(5) = 3(5)²-3(5) - 6

f(5) = 3(25)-3(5) - 6

f(5) = 75-15-6

f(5) = 60-6

f(5) = 54

Hence the range of the relation are {324, 0, -6, 54}

5 0
2 years ago
Michael bought a car for $15,540. He estimates that the car will depreciate by 5% each year. Which function represents this situ
Delicious77 [7]

Answer: f(x) =15540(0.95)^x

Step-by-step explanation:

Given , Micheal bought a car for $15,540.

Rate of depreciation = 5% = 0.05 { To convert a percentage into decimal or fraction , we divide it by 100]

The exponential function used to show depreciation in amount or value ina time period of 'x' is given by :-

f(x)=A(1-r)^x

, where A = Initial value

r= rate of depreciation.

As per given , we have

A= $15,540

r= 0.05

Then , Required function : f(x)=15540(1-0.05)^x=15540(0.95)^x

6 0
3 years ago
6 divided by x squared​
photoshop1234 [79]

Answer:

I think x should be equal to 0.

5 0
2 years ago
HELP: Georgina wants to make a 42% citric acid solution. If she has 0.5 liters of water, how many liters of a 49% citric acid so
lianna [129]

Answer:

Step-by-step explanation:

Hi

Step 1.. Explain the question

From the question,our aim is to know the litres of a 49% critic acid solution Georgina should add to 0.5 litres of water in order to make a 42% critic solution acid

Step 2.. Identify the given and missing variables

Here we not given the litres of a 49% critic solution to be added =?

We were given to critic acid solution to be made =42% which is our solute

Step 3 ...Representing the question in an equation format

Let the number of litres to be added be represented by y

Adding 0.5 litres of water will give y+0.5

Then we proceed

42/100 * (y+0.5) =49/100

0.42(y+0.5)=0.49

Expand the bracket

0.42y +0.21=0.49

0.42y=0.49-0.21

0.42y=0.28

Divide both sides by 0.42

y=3

8 0
3 years ago
66 cm cube of silver is drawn into a wire 1 mile in a diameter does length of wire will be​
Klio2033 [76]

Answer:

The length of the wire is 3.24451394 × 10⁻⁹ cm

Step-by-step explanation:

The volume of the wire = 66 cm³

The diameter of the wire = 1 mile

We convert the volume from cm³ into mile³  to get;

66 cm³ = 1.5834 × 10⁻¹⁴ mile³

The volume = π × D²/4 × l

Where;

D = The diameter = 1 mile

l = The length of the wire

1.5834 × 10⁻¹⁴ = π × 1²/4 × l

The length of the wire = l = 1.5834 × 10⁻¹⁴/(π × 1²/4) = 2.0160475 × 10⁻¹⁴ mile

1 mile = 160,934.4 cm

2.0160475 × 10⁻¹⁴ mile = 2.0160475 × 10⁻¹⁴ × 160,934.4 cm = 3.24451394 × 10⁻⁹ cm  

The length of the wire = 3.24451394 × 10⁻⁹ cm

8 0
2 years ago
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