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dusya [7]
3 years ago
11

a store sells jump ropes. each jump rope costs the same amount. during a sale, the store reduces the price of each jump rope by

$1.25. jada spends $15.08 on 2 jump ropes at the sale price.
Mathematics
1 answer:
fiasKO [112]3 years ago
4 0

Answer:

she spent $7.45 on each rope at the sale price. The original price would have been $8.70

Step-by-step explanation:

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an area of 6 yards is equal to 54 square feet. 9 square yards is equal to how many square feet? explain or show your reasoning
s2008m [1.1K]

Answer:

81 squared feet

Step-by-step explanation:

8 0
3 years ago
(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

y = -3.67, or when approximated to a fraction, -1287/350

Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

18x + y = 12

Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

2x + 7y = -24

y = -18x + 12

Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

2x -126x + 84 = -24

Then, combine your terms!

-124x = -108

Divide by (-124)!

x = -108/-124

x = 27/31

Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

1.74 + 7y = -24

7y = -25.74

y = -3.67, or when approximated to a fraction, -1287/350

4 0
3 years ago
Sinxcosxtanx=1-cos^2x
ycow [4]

Step-by-step explanation:

sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ LHS \\= sin  x \: cos  x \: tanx \\  =sin  x \: cos  x \: \times  \frac{sin  x}{cos  x}  \\  = sin  x \: \times  \frac{sin  x}{1} \\  ={sin}^{2}  x \\  = 1 -  {cos}^{2} x \\  = RHS \\  \therefore \: sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ Hence \: Proved.

7 0
3 years ago
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melisa1 [442]

Answer

Go to www.mathborl.com/middle for step by step.

Step-by-step explanation:

5 0
2 years ago
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Find the area between z=1.29 and z=1.70 M
Alja [10]

Answer:

its 3.9

Step-by-step explanation:

if you

7 0
3 years ago
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