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nikdorinn [45]
3 years ago
6

What is the variable in the expression 9c-4

Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0

Answer:

Variable is C

Step-by-step explanation:

____ [38]3 years ago
5 0

Answer:

The variable in the expression is 'c'.

Step-by-step explanation:

A variable is a letter that we use to represent a number that changes. "c" is the only letter in the expression, so its the variable.

We use variables when we do not know what the number should be, or when it's unknown.

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You have $20 saved and you earn $11.00 an hour working part time at a dry cleaner. You want to go to a concert this summer and t
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Answer:

C

Step-by-step explanation:

you would start your graph at $20.

you would than create a graph that goes up hourly

with the money amount increasing every hour

6 0
3 years ago
Read 2 more answers
. CDEF is a trapezium
guajiro [1.7K]

9514 1404 393

Answer:

  24 cm²

Step-by-step explanation:

To find the area of the trapezium, we must know the length CD. That means we must know the length BC. Fortunately, the perimeter of ABCF is given, so we have ...

  P = 2(AB +BC)

  BC = (P/2) -AB = (20 cm)/2 - 6 cm = 4 cm

Then CD is ...

  CD = BD -BC = 9 cm -4 cm = 5 cm

The area of the trapezium is given by the formula ...

  A = (1/2)(b1 +b2)h

  A = (1/2)(5 cm + 3 cm)(6 cm) = 24 cm²

The area of trapezium CDEF is 24 cm².

3 0
3 years ago
I'm wondering: Is there a symbol for exponential things like 1^2^3^4^5^6...? If so, what is it?
Yuri [45]

Answer:

That sign means raise to power e.g 5^2.

5 in 2 places which is 25.

Also meaning 5× 2= 25

3 0
3 years ago
An incentive clause in Barry Bonds contract allows for a 3.4% bonus if he hits over 719 home runs in this season. His contract i
N76 [4]
The bonus would be worth $493,000.

3.4% = 3.4/100 = 0.034; 3.4% of 14500000 = 0.034(14500000) = 493000.
3 0
3 years ago
Read 2 more answers
4,12,20, 28 nth term
Anna007 [38]

Answer:

8n - 4

Step-by-step explanation:

The numbers here go up in 8, so you have 8n. Afterwards, use the term and the 8 times tables. Eg. 4 is the first term and the first 8 multiple is 8, so 4-8. You have to subtract 4 from 8 to get the first term. Sorry if this didn't help but yeah...

3 0
3 years ago
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