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bearhunter [10]
3 years ago
11

5 t-shirts cost £38.75. How much do 7 t-shirts cost?

Mathematics
2 answers:
V125BC [204]3 years ago
8 0

Answer:

the answer is £54.25

Step-by-step explanation:

5 cost - £38.75

1 cost - £38.75/5=£7.75

7 cost- £7.75×7= £54.25

gladd to help have a nice day !!

antiseptic1488 [7]3 years ago
4 0

Answer:

$54.25

Step-by-step explanation:

decide 38.75 by 5 to get what each cost then multiply by 7 to get your answer

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Answer:

See the attached figure.

Step-by-step explanation:

Modeling each part as a function.

Let x is hours of the working day

The company packs 80 boxes of toys every hour for the first 3 hours of the day. ⇒ y₁ = 80 x , x ∈ [0,3]

At the end of the 3 hours The company packs = 80 * 3 = 240

They stop packaging for the next 2 hours in order to carry out a training session. ⇒ y₂ = 240 , x ∈ [3,5]

Then, for the next 4 hours, they pack 20 boxes of toys every hour

y₃ = 20x + c , x ∈ [5,9]

To find c, y₂ = y₃ at x =5

∴ 240 = 20 * 5 + c

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∴ y₃ = 20x + 140 , x ∈ [5,9]

So,

y₁ = 80 x , x ∈ [0,3]

y₂ = 240 , x ∈ [3,5]

y₃ = 20x + 140 , x ∈ [5,9]

The graph models the piecewise function for the given situation is as shown in the attached figure.

8 0
3 years ago
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3x+1=8x-24 helpppppppp
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3x+1 =8x -24

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ozzi
The solution is completely correct, as putting 5 or 0 in the formula again will make it true.

|2(0)-5|=5
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6 0
3 years ago
The coefficient of first term of a polynomial written in standard (descending order) form is called the ____ coefficient ?
Black_prince [1.1K]
We know that
<span>
1) The degree of a polynomial is the highest degree of its terms</span>
<span>2) The leading term in a polynomial is the highest degree term</span>
<span>3) The leading coefficient of a polynomial is the coefficient of the leading term</span>  
Therefore

The coefficient of first term of a polynomial written in standard (descending order) form is the coefficient of the leading term, thus is called the leading coefficient.

  the answer is
The leading coefficient<span> </span>
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