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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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There are 8 pencils in package.how many packages will be needed for 28 children if each child get 4 pencils
sashaice [31]
8 pencils = 1 package
28 children need pencils
Each child gets 4 pencils

28x4 = 112 (pencils needed)

112/8 = 14 packages needed.
7 0
3 years ago
I need help with six and seven plz
kolbaska11 [484]

Answer:

6) 102

7) 58

NOTE: Supplementary add to 180° and Complementary add to 90°

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6 0
2 years ago
For questions 10-11 if l || m, find the values of x and y.
klemol [59]

Answer:

10) 9x - 2° = 5x + 54° (corresponding angles are equal)

9x - 5x = 54 + 2

4x = 56

x = 56/4

x = 14°

10y + 6° = 9x - 2° (linear pair)

10y + 6° = 9(14)° - 2°

10y + 6° = 126° - 2°

10y + 6° = 124°

10y = 124° - 6°

10y = 118

y = 118/10

Sorry, i don't know how to do the 11th question

but hope this helps you!

8 0
2 years ago
HELP!!!!! write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4
omeli [17]

\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{-1})~\hspace{10em} slope = m\implies 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-1)=4[x-(-3)] \\\\\\ y+1=4(x+3)\implies y+1=4x+12\implies y=4x+11

7 0
3 years ago
Read 2 more answers
Rupert buys a bicycle with a marked price of £ 12500.He gets a rebate of 10% on it. After getting
yarga [219]

Answer:

£ 12,150

Step-by-step explanation:

Marked price of bicycle = £ 12500

Rebate = 10%

Amount of rebate = 12500*10/100 = £1250

Rebated price = 12500 - 1250 = £ 11,250

Tax = 8%

Amount of tax = 11250*8/100 = £ 900

Total amount paid for bicycle = Rebated price + amount of tax

= £ 11,250 + £ 900

= £ 12,150

4 0
3 years ago
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