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tensa zangetsu [6.8K]
2 years ago
14

Question 2 Find the sale price to the nearest cent(hun $72 game; 20% discount

Mathematics
1 answer:
mote1985 [20]2 years ago
6 0

Answer:

$57.60

Step-by-step explanation:

20% turns into a decimal .20

72*.20 =14.40

72.00-14.40 = $57.60

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Help please please I need the answer Quick!
Ber [7]

Answer:

C

Step-by-step explanation:

Need to account for getting to and from the trail as well

7 0
3 years ago
Parker offers to pay for 5 of his friends to play laser tag, but 3 of them don’t want to play. Parker offers to pay for 5 of his
gtnhenbr [62]

Answer: B

Step-by-step explanation:

First, you have to find how many friends are playing. This can be found in the equation 5-3. Now you multiply by six to find the cost. If you chose C, that would be incorrect, because the () you would mltilply first (30) and then subtract 3 (27). You can also think of it as finding the cost of how much all of them want to play by using the distributive property, leaving you with 30 - 18, and subtract from there to get 12.

6 0
2 years ago
3. if kx² + 2x + k = -kx have equal roots, find the values of k.<br>​
crimeas [40]

Answer:

k = - \frac{2}{3} , k = 2

Step-by-step explanation:

Using the discriminant Δ = b² - 4ac

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Given

kx² + 2x + k = - kx ( add kx to both sides )

kx² + 2x + kx + k = 0 , that is

kx² + (2 + k)x + k = 0 ← in standard form

with a = k, b = 2 + k and c = k , thus

(2 + k)² - 4k² = 0 ← expand and simplify left side

4 + 4k + k² - 4k² = 0

- 3k² + 4k + 4 = 0 ( multiply through by - 1 )

3k² - 4k - 4 = 0 ← in standard form

(3k + 2)(k - 2) = 0 ← in factored form

Equate each factor to zero and solve for k

3k + 2 = 0 ⇒ 3k = - 2 ⇒ k = - \frac{2}{3}

k - 2 = 0 ⇒ k = 2

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3 years ago
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stira [4]

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Step-by-step explanation:

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3 years ago
How many times greater is the number of brain cells in a human as compared to the any?
kirill115 [55]

Answer:

25 Times

Step-by-step explanation:

6 0
3 years ago
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