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DanielleElmas [232]
3 years ago
6

The fabric is $3 times the number of yards of fabric n. Which equation gives the total cost c of n yards of fabric

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

Answer:

C = 3n

Step-by-step explanation:

Given that,

The fabric is $3 times the number of yards of fabric n.

We need to find an equation that gives the total cost c of n yards of fabric.

It means, the total cost of n yards of fabric is given by :

C = 3n

Where

n is yards of fabric.

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What could be the 4 angle measures of a quadrilateral
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Answer:

D

Step-by-step explanation:

60°+75°+105°+120°=360°

[Sum of 4 angles of a quadrilateral is 360°]

5 0
3 years ago
A 14.5-gallon gasoline tank is full. How many gallons will it take to fill the tank? Write your answer as a mixed number.
Elena L [17]

Answer:

it will take 3 5/8 of gas to fill the tank

Step-by-step explanation:

14 1/2 - 10 7/8 can be re-written using improper fractions

29/2 - 87/8 We need a common denominator, which is 8

116/8 - 87/8 = 29/8 = 3 5/8 gal

7 0
3 years ago
Solve the systems by elimination: <br><br> 8x-2y= -10<br> -4x+y= 5
Pachacha [2.7K]

Let's eliminate x.  To achieve this, mult. the 2nd equation by 2, obtaining

-8x + 2y = 10.  Now add this result to the first equation:

8x-2y= -10

-8x + 2y = 10

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

        0

The two equations actually represent the same line.   Without an x- or a y-value, we cannot solve for the value of the other variable.  There are infinitely many solutions.

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



4 0
3 years ago
A junk box in your room contains a dozen old batteries, five of which are totally dead. You start picking batteries one at a tim
MArishka [77]

Answer:

7/12 of a chance

Step-by-step explanation:

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6 0
3 years ago
Consider the two properties that you would use to solve an equation like 3x + 5 = 26. Which of the following is true? The standa
gladu [14]
The subtraction property of equality: if we subtract one side of the equation then we also must subtract from the other side of the equation.
The division property of equality: if we divide one side of the equation by a number then we also must divide the other side by the same number.
For this equation:
3 x + 5 = 26
3 x + 5 - 5 = 26 - 5        ( the Subtraction Property of Equality )
3 x = 21
3 x : 3 = 21 : 3       ( the Division Property of Equality )
x = 7
Answer: C ) The standard method for solving an equation like 3 x + 5 = 26 is to use the Subtraction Property of Equality and then the Division Property of Equality. 
4 0
3 years ago
Read 2 more answers
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