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Artyom0805 [142]
2 years ago
6

Simplify the expression. n+3(n−1)

Mathematics
2 answers:
dlinn [17]2 years ago
8 0
4n-3 I’m sure I’m right.
puteri [66]2 years ago
3 0

Answer:

4n - 3

Step-by-step explanation:

n+3(n-1)\\n+3n-3\\4n-3

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A rental hall has 60 tables.
DedPeter [7]

Answer:

Plz name me brainlieset thank you

Step-by-step explanation:

55% of the tables would be 33 tables times 10 chairs equals 330 Chairs That mean 60 Tables -33 tables Leaves you with 27 tables Times 8 Chairs Equals 216 Chairs So 330 and 216Equals 546 chairs

5 0
3 years ago
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The graph is a two-dimensional representation of the
Mila [183]

Answer: D. 12 ft

Step-by-step explanation:

8 0
3 years ago
How can u solve this by system of equations by elimination 4x-5y=6;2x+5y=-28
gayaneshka [121]

Answer:

x=17/3, y=10/3. (17/3, 10/3).

Step-by-step explanation:

4x-5y=6

2x+5y=-28

-----------------

4x-5y=6

-2(2x+5y)=-2(-28)

--------------------------

4x-5y=6

-4x-10y=56

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-15y=-50

15y=50

y=50/15

y=10/3

4x-5(10/3)=6

4x-50/3=6

4x=6+50/3

4x=18/3+50/3

4x=68/3

x=(68/3)/4

x=(68/3)(1/4)=68/12=17/3

4 0
3 years ago
Simplify the following 3/4(1/2× - 12)+4/5
irga5000 [103]

Step-by-step explanation:

3/4 ×1/-24 +5/5

3×1/4×-24+4/5

3×1/4×-24+4/5

3/-96+4/5

-3/96+4/5

-1/32+4/5

ans:123/160

3 0
4 years ago
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Find the percent of change if the original price is $246.95 and the new price is $199.95. Round to nearest tenth of a percent if
Grace [21]

Answer:

<h3>Percentage change = 19%</h3>

Step-by-step explanation:

Since the new price is lesser than the original price the percentage change will be a decrease.

To find the percentage change use the formula

Percentage  \:  \: change =  \frac{change}{original  \:  \: quantity}  \times 100

To find the change subtract the new price from the original price

new price = $199.95

original price = $246.95

Change = $246.95 - $ 199.95 = $47

Percentage  \:  \: change =  \frac{47}{246.95}  \times 100

<h3>Percentage change = 19%</h3>

Hope this helps you

3 0
3 years ago
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