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artcher [175]
3 years ago
8

A ruler costs pence. A pen costs 10 pence more than the ruler. Write an expression, in terms of , for the total cost of 3 pens a

nd 2 rulers.
Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

5 + 30

Step-by-step explanation:

That's the expression in terms of x for the total cost of 3 pens and 2 rulers.

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Which of the following polygons has five lines of symmetry?
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pentagon have 5 sides, 5 symmetry lines.

So your answer is Option C.

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On a test with 30 questions, Bill answered 80% correctly. How many<br> answers did he get wrong?
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5 0
3 years ago
I need help
Sati [7]

Answer:

f(x) =  {x}^{2}  \\ g(x) = x - 3\\  \\ f(g(x))(x) =  {(x - 3)}^{2}  \\  =  {x}^{2}  - 6x + 9

I hope I helped you^_^

5 0
3 years ago
How many two-digit numbers are there in which the tens digit is greater than<br> the ones digit?
Dovator [93]

there are 46 2-digit numbers in which the tens digit is greater than the ones digit.

<h3>How many 2-digit numbers are there in which the tens digit is larger than the ones digit?</h3>

A 2-digit number is written as:

a*10 + b

Where a and b are single-digit numbers.

Tens digit and ones digit refers to place values:

a is the tens digit, and b is the ones digit. The numbers with a larger tens digit than the ones digit are:

98, 97, 96, 95, 94, 93, 92, 91, 90, 87, 86, 85, 84, 83, 82, 81, 80, 76, 75, 75, 74, 73, 72, 71, 70, 65, 64, 63, 62, 61, 60, 54, 53, 52, 51, 50, 43, 42, 41, 40, 32, 31, 30, 21, 20, 10.

We can see that there are 46 numbers in that list, so we conclude that there are 46 2-digit numbers in which the tens digit is greater than the ones digit.

If you want to learn more about place values:

brainly.com/question/12386995

#SPJ1

7 0
1 year ago
PLEASE PLEASE HELP ME<br>ASAP!!!!!​
Cerrena [4.2K]

Answer:

What exactly do you need help with?

7 0
3 years ago
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