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dangina [55]
3 years ago
8

What is the sum of the solution to the equation 8x^2+2x-3=0 A. 3/8 B.1/4 C-1/4 D. -3/8

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
The Answer Is Gonna Be 1/2 Or -3/4.
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When you buy an item on which sales tax is charged,the total cost is calculated by the formula T=P+s/100p where T is the total c
Gennadij [26K]

Given:

The formula for total cost is

T=p+\dfrac{s}{100}p

where, p is the price of item and s is the sales tax rate (as a percent).

You pay $14.77 for an item priced at $14.

To find:

The the tax rate.

Solution:

You pay $14.77 for an item priced at $14. So,

Total cost (T) = $14.77

Price of item (p) = $14

Putting T=14.77 and p=14 in given formula, we get

14.77=14+\dfrac{s}{100}(14)

14.77-14=\dfrac{s}{100}(14)

0.77=\dfrac{s}{100}(14)

Multiply both sides by 100.

77=14s

Divide both sides by 14.

\dfrac{77}{14}=s

5.5=s

Therefore, the tax rate is 5.5%.

7 0
3 years ago
Can someone help me with this math problem
zepelin [54]

Answer:

$50.50 = 18 + 5n

Step-by-step explanation:

3 0
2 years ago
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A number cube is rolled three times. What is the probability of rolling three even numbers?
ziro4ka [17]
It depends on how many numbers are on the cube. If the cube goes up to five then you have a 2/5 chance to roll an even number one time. If the dice goes up to 10 then you have 5/10 chance of rolling an even number.
6 0
3 years ago
A 9-kilogram bag of sugar cost $27.54. what is the unit price ?
shusha [124]

Answer:

$3.06

Step-by-step explanation:

1 kg = $27.54

27.54/9 kilogram

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3 years ago
11.4÷35.7 answer estimated<br>(15 points)(brainliest included)<br>(incorrect answer=report)​
Gre4nikov [31]

Answer:

0.31932773109

Step-by-step explanation:

  • Set it up
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  • Then, do the long division
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8 0
2 years ago
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