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san4es73 [151]
3 years ago
12

Sandy buys school supplies at Walmart that costs $27.97. How much will she spend if she uses a 10% off coupon? Round to the near

est hundredth.
Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0
10% off of 27.97 is 25.17
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If somebody can give me an explanation on how to do this i would appreciate it!
Natali5045456 [20]

The answer is 4+(9x1/10)+(5x1/1000)

Can i have a brainiest

4 0
3 years ago
Use special right triangles to solve for the exact value of x.<br><br><br> 4<br><br> 9<br><br> 16
Gelneren [198K]

Answer: A basic theorem for finding the third length of a right angle triangle is the Pythagoras Theorem.

In a right angle triangle, the slant and usually longest side is called the Hypotenuse while the other two sides are Opposite and Adjacent.

The Pythagoras Theorem States:

hypotenuse^{2} = opposite ^{2} + adjacent ^{2}

Step-by-step explanation:

If for example, we are given the other two sides as 3 and 4 respectively,

Using

Hyp^2=Opp^2+Adj^2

Hyp^2 =3^2+4^2=25

Hypotenuse = \sqrt{25}=5

These set of numbers (3,4,5) in this  that satisfies the theorem are called Pythagorean Triples

7 0
3 years ago
Help me please asap subtract with renaming
vova2212 [387]

Answer:

1. 1/4

2. 43/10 or 4 3/10 either are correct.

3. 67/12 or 5 7/12 either are correct.

Step-by-step explanation:

I hope this helped.

6 0
3 years ago
PLEASE ANSWER
oksano4ka [1.4K]

Answer:

x² + 9x + 8 = (x + 1)(x + 8)

x² + 9x + 8 = (x + 8)(x + 1)

Step-by-step explanation:

* Lets explain how to factorize the polynomial using the pattern

- The form of the quadratic polynomial is x² + px + q, where p is the

  coefficient of x and q is the numerical term

∵ x² + (a + b)x + (ab) = (x + a)(x + b)

- From the formula above the coefficient of x is the sum of the two

 factors a and b

∴ p = a + b and q = ab

- That means p is the sum of two numbers and q is the product of

  the same numbers

* Lets solve the problem

∵ x² + 9x + 8 is a quadratic polynomial

∵ x² + px + q is the form of quadratic polynomial

∴ p = 9 and q = 8

∵ p = a + b and q = ab

∴ a + b = 9 ⇒ (1)

∴ ab = 8 ⇒ (2)

- We must to find two numbers their product is 8 and their sum is 9

∵ The possibility of 8 as a product of two numbers is:

   2 × 4 OR 1 × 8

∵ The sum of 1 + 8 = 9

∴ The value of a and b are 1 and 8

- It does't matter which of them = 1 or which of them = 8

∴ x² + (a + b)x + ab = x² + (1 + 8)x + (1)(9)

∵ x² + (a + b)x + (ab) = (x + a)(x + b)

∴ x² + (1 + 8)x + (1)(9) = (x + 1)(x + 8)

∴ x² + 9x + 8 = (x + 1)(x + 8)

- OR

∴ x² + 9x + 8 = (x + 8)(x + 1)

3 0
3 years ago
What is the probability of landing on a yellow or blue and red section when given two spins?
Vanyuwa [196]
100 is the best answer
3 0
3 years ago
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