Jasmine bought 7 yards of fabric. The total cost was $45.43. What was the average cost per yard she bought?

Answers

Answer 1

Answer: im pretty sure ur supposed to divide 7 and 45.43 and i did and got 6.49$

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Please answer quick in need of an answer

2x + y = 7
-x + y = 1

Answers

2x + y = 7 ---> ( 1st equation )
-x + y = 1 ---> ( 2nd equation)

Let's solve this problem by substitution method
So let's set 2nd equation to y equals
-x + y = 1 ---> ( 2nd equation)
adding x on both sides
y = 1 + x ---> (3rd Equation )

Substituting the value of y in equation 1
2x + x + 1 = 7
subtracting 1 from both sides
2x + x = 6
adding like terms on the left side
3x = 6
dividing both sides by 3
x = 2

Substituting the value of x in 2nd equation
-x + y = 1
-2 + y = 1
adding 2 on both sides
y = 1 + 2
y = 3

So, our answer is x = 2
y = 3

To check the answer pick any equation and substitute the values of x and y check check if it is equal to Right hand side
2(2) + 3 = 7 ( substituting in 1st equation)
4 + 3 = 7
7 = 7

-2 + 3 = 1 ( substituting in 2nd equation)
1 = 1

Hence proved.

Hope this helps you. :D

2x+y=7
-x+y =1 --> y = 1+x

Substitution y -->
2x+1+x=7;
3x+1=7;
3x=6;
x=2
y=1+2=3

x=2, y=3

7.4 kg equals how many lbs

Answers

Answer:

16.3142 lbs

Step-by-step explanation:

Which equation finds the area of a square with a side length of 5n4 units?

Answers

Answer:

25n^8

Step-by-step explanation:

Area of a square is length×length

Length=5n^4

Area=5n^4×5n^4

=(5×5)(n^4+4)

=(25)(n^8)

=25n^8

So the area of a square is 25n^8

The answer is to this question is 25n^8

Rule: Start at 3 and 1/8, subtract 3/4

Answers

Answer:

Step-by-step explanation:

2 3/4

PLEASE HELP! THANKS! The measures, in degrees, of the 3 angles of a triangle are given by 2x +1, 3x - 3, and 9x. What is the measure of the smallest angle? A.) 13 degrees B.) 23 degrees C.) 29 degrees D.) 40 degrees please show how to solve this I GIVE THANKS!!!

Answers

So all of the internal angles of a triangle will add up to 180 degrees. So if we add all of the expressions given and set them equal to 180, we can solve for x, then solve for each angle...

(2x + 1) + (3x - 3) + 9x = 180
2x + 3x + 9x + 1 - 3 = 180
14x - 2 = 180
14x = 182
x = 13

Now we can substitute 13 into each expression to find the value of each angle...

2x + 1 =
2(13) + 1 =
26 + 1 = 27 degrees

3x - 3 =
3(13) - 3 =
39 - 3 = 36 degrees

9x =
9(13) = 117 degrees

So the 3 angles are 27 degrees, 36 degrees, and 117 degrees.

The smallest is 27 degrees

** Note-- I don't see 27 degrees in the answer choices you gave, so I double checked my math (I didn't find any mistakes). Please check to see that the question is written correctly (pay close attention to plus and minus signs).

tanya has a dog leash that is 2 yards long she shortens the leash by 1 and 1 half feet what is the length of the shortened leash

Answers

! yard=3feet
6ft-1 & 1/2

The shortened leash is 4 1/2 ft

or 1 yard and 1&1/2ft

Good luck! XD

Thats easy. 4 feet and six inches. 2 yards=6 feet
6-1.5=4.5

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