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weeeeeb [17]
2 years ago
10

A 3-pack of jump ropes costs $6.90. What is the unit price?

Mathematics
2 answers:
polet [3.4K]2 years ago
4 0

Answer:

$2.30 for each jump rope.

Step-by-step explanation:

6.90 / 3 = 2.3

mamaluj [8]2 years ago
4 0
The answer is $2.30. because if you multiply 2.30 times 3 you will get 6.9 also known as 6.90
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A3-b3=(a-b)(a2+an+b2) 64x6-27
olga nikolaevna [1]
<span>a³-b³=(a-b)(a²+ab+b²)

64x⁶ - 27

64 = 4³, 
x⁶ = (x²)³
27 = 3³

</span>64x⁶ - 27 = 4³(x²)³ -3³ = (4x²)³ -3³.  Now, we can use a formula where a=4x², b=3

(4x²)³ -3³ = (4x² -3)((4x²)² +4x²*3 + 3²) =  (4x² -3)(16x⁴ +12x² + 9) 
<span>
Answer: </span>64x⁶ - 27=  (4x² -3)(16x⁴ +12x² + 9) <span>

</span>
4 0
3 years ago
Plzz help will give brainliest
skad [1K]

Answer: 82.5 - x = R sorry if I am wrong

Step-by-step explanation:

1. We know all the angles in a triangle add up to 180 degrees.

<em>180 = x + x + 15 + R</em>

2. Combine like terms

<em>180 = 2x + 15 + R</em>

3. Subtract 15 from both sides

<em>165 = 2x + R</em>

4. Divide both sides by 2

<em>82.5 = x + R</em>

5. Subtract x from both sides

<em>82.5 - x = R</em>

6 0
2 years ago
27&lt; 3+5x+4<br><br> “With a step-by-step explanation be specific”
Nataly [62]

Answer:

27 < 3 + 5x + 4 \\ 27 < 7 + 5x \\ 27 - 7 < 5x \\ 20 < 5x \\5x > 20 \\ x >  \frac{20}{5}  \\  \boxed{x > 4}

<h3><u>x>4</u> is the right answer.</h3>
4 0
3 years ago
Read 2 more answers
Simplify: 7·(a+5)–30 =
postnew [5]

Answer:

7a + 5

Step-by-step explanation:

Distribute using PEMDAS.


7 0
3 years ago
Find the value of angel 0 to the nearest 10th<br>​
BaLLatris [955]

Answer: 36.9

Step-by-step explanation:

For this question you have to find out whether you are using Sin, Cos or Tan.

To work out which one you are using you can use SOH CAH TOA to help you.

SOH- The 'S' is for Sin, the 'O' and the 'H' is for Opposite over Hypotenuse.

CAH- The 'C' is for Cos and the 'A' and the 'H' is for Adjacent over Hypotenuse.

TOA- The 'T' is for Tan, the 'O' and the 'A is for Opposite over Adjacent.

As you have the Opposite (the side opposite the angle we're looking for) and the Adjacent (the side next to the angle were looking for) we would be using Tan.

So first you would have to write:

Tanθ=3/4

Then because we want Theta (θ) on it's own we would have to do the inverse to 'undo' the equation. Tan-1 is the inverse of Tan.

θ=Tan-1 3/4

To find the answer you would have to put it in your calculator.

θ=36.9

Hope this helps :)

8 0
2 years ago
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