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devlian [24]
2 years ago
11

Please help and show work!

Mathematics
1 answer:
Lilit [14]2 years ago
3 0

Answer:

Step-by-step explanation:

The given quadratic must be rewritten in standard form before anything else is done:  -2x^2 + 8x - 8 = 0.  The coefficients of the x terms are {-2, 8, -8}.

The discriminant b^2 - 4ac is therefore (8)^2 - 4(-2)(-8), or  64 -  64, or 0.

A zero discriminant points to two real, equal solutions.

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Just answer 3 and 4 you don’t need to show your work just answers please!
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#3.) 48 pieces of ribbon
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8 0
3 years ago
9.48 as a mixed number in simplist form
mafiozo [28]

Answer:

<h2>9 12/25.</h2>

Step-by-step explanation:

9.48 as a mixed number in simplest form:

<em><u>948/100</u></em>

<em><u>948/100= 948 ÷ 4/100 ÷ 4</u></em>

<em><u>948/100= 948 ÷ 4/100 ÷ 4= 237/25</u></em>

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8 0
3 years ago
In 1995 a gallon of gas used to cost $1.00 today a gallon of gas cost $4.00 what is the percent increase?
Wittaler [7]

Answer:

300%

Step-by-step

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5 0
2 years ago
Read 2 more answers
A small business makes 3-speed and 10-speed bicycles at two different factories. Factory A produces 16 3-speed and 20 10-speed b
GarryVolchara [31]

Answer:

Factory A should be operated 6.11 days

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The minimum cost for factory A is $6,110

The minimum cost for factory B is $5,504

Step-by-step explanation:

Factory A

Daily production: 16 3-speed and 20 10-speed bikes

Total daily production = 16+20 = 36 speed bikes

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Total order = 80+140 = 220 speed bikes

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Minimum cost for 6.11 days = $1000 × 6.11 = $6,110

Factory B

Daily production: 12 3-speed and 20 10-speed bikes

Total daily production = 12+20 = 32 speed bikes

Total order = 220 speed bikes

Number of days = 220/36 = 6.88 days

Cost per day = $800

Cost for 6.88 days = $800 × 6.88 = $5,504

6 0
3 years ago
An elevator has a maximum weight of 300 pounds. Each pallet of boxes weighs 25 pounds. Which of the following number lines best
iren2701 [21]

Answer: C.

Step-by-step explanation:

1. Go

2.Stop

3. Win

Sorry if you didn't understand, we do math here differently in Albania ^^

yes

4 0
2 years ago
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