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Sergio039 [100]
2 years ago
12

What is the domain of the function y=3 squared root of x -1 ? O-o -1 O 0 1

Mathematics
1 answer:
marissa [1.9K]2 years ago
8 0

y=3\sqrt{x-1}

The domain is x ≥ 1 as x cannot be less than 1 or else it'll become negative in square root which you cannot find a value.

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Jorge bought 16 apples for $8.00.
dem82 [27]

Answer:

x=16

y=8.00

8/16=0.5  (50 cents per apple)

y=0.5x+0

7 0
3 years ago
Write an equation that represents the total cost for pop music bundles. Write another equations to represent the total cost for
Anestetic [448]

Answer:

Equation for the total cost for pop music bundles = $ 1200 x + 300

Where variable is the Cost.

Equation for the total cost for rock music bundles = $ 950 x + 250

Where variable is the Cost.

Step-by-step explanation:

P.S - The exact question is -

Given - The Music Express is going to buy music bundles from a

             company that is going out of business. The company

             charges different amounts for bundles of pop and rock

             music:

             Cost for each pop music bundle is $1200

             Cost for each rock music bundle is $950

             One - time fee for rights to the pop music is $300

             One - time fee for rights to the rock music is $250.

To find - Write an equation that represents the total cost for pop

               music bundles.

              Write another equations to represent the total cost for rock

              music bundles.

              Identify the variables in the equations.

Proof -

Given that,

Cost for each pop music bundle is $1200.

Cost for each rock music bundle is $950.

One - time fee for rights to the pop music is $300.

One - time fee for rights to the rock music is $250.

Let the total music bundles buy = x

Now,

Given, Cost for 1 pop music bundle = $1200

⇒Cost for x pop music bundles = $ 1200 x

Also given,

One - time fee for rights to the pop music is $300.

∴ we get

Equation for the total cost for pop music bundles = $ 1200 x + 300

Where variable is the Cost.

Now,

Given, Cost for 1 rock music bundle = $950

⇒Cost for x pop music bundles = $ 950 x

Also given,

One - time fee for rights to the pop music is $250.

∴ we get

Equation for the total cost for rock music bundles = $ 950 x + 250

Where variable is the Cost.

5 0
2 years ago
What is the circumference of a circle whose radius is 1.3 cm? Find the circumference using the formula C=2πr
bearhunter [10]

Answer:

C≈8.17cm

Step-by-step explanation:

C=2πr=2·π·1.3≈8.16814cm

4 0
3 years ago
(20x^2 – 3x – 9)/(4x – 3)
nordsb [41]

Answer:

5x+3

Step-by-step explanation:

Rewrite the expression to  20x^2-3x-9/4x-3

Factor 20x^2+12x-15x-9/4x-3

Factor 4x*5x+3-3(5x+3)/4x-3

Factor (5x+3)*(4x-3)/4x-3

Solution then becomes 5x+3 as stated above

4 0
3 years ago
How many grams are there in 2.5 kg?
anyanavicka [17]
There are 2,500 grams in 2.5kg
3 0
3 years ago
Read 2 more answers
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