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Vikentia [17]
3 years ago
15

Please help functions

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0
T(s(x)) = -5
Substitute the value in for x and evaluate = -2 

Len [333]3 years ago
5 0
T(s(2))
=s(x)=2x-1
=s(2)=2(2)-1
=s
(2)=4-1
=s(2)=3

s(2)=3

t(s(2))=-2x^2+2
t(3)=-2(3)2+2
t(3)=-2(9)+2
t(3)=-18+2
t(3)=-16

Therefore the value of t(s(2)) is -16
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Divide 250 in the ratio of 1 : 4
Aleksandr [31]
1 + 4 = 5 (5 parts) 
<span>£250/5 = 50 </span>
<span>1 x £50 = 50 </span>
<span>4 x £50 = 200 </span>
<span>so the answer is 50:200 </span>
6 0
3 years ago
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store A offers successive discounts of 10% one week and 20% the second week. store B offers a one-time discount of 25% the secon
11111nata11111 [884]

The store which offers the greater discount is store B.

<h3>Discount</h3>

Store A:

First week = 10%

= 10/100

= 0.1

Second week = 20%

= 20/100

= 0.2

Total discount = (0.1 + 0.2) / 2

= 0.15

Store B:

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= 0.25

Therefore, the store which offers the greater discount is store B.

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7 0
2 years ago
Start with x, subtract 4, multiply by 5, then add 9
brilliants [131]

Answer:

x - 4 = 4x

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Step-by-step explanation:

4 0
2 years ago
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Which of the following is a key property of the linear parent function
marshall27 [118]
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3 years ago
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A certain positive number is multiplied by 4, and then the result is subtracted from the original number. The result is 21 less
stira [4]

Answer:

The number is 7

Step-by-step explanation:

certain positive number: x

x is multipled by 4:

4x

result of this is subtracted from the original number:

so original number minus 4x,

x - 4x

the result is 21 less than 0, this means negative 21

x - 4x = 0 - 21 = -21

do algebra:

-3x = -21

multiply both sides by -1

3x = 21

divide both sides by 3

x=7

(certain positive number: x) is equal to 7

4 0
3 years ago
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