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LenaWriter [7]
3 years ago
15

Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost

of Sally’s groceries, which expression represents Sally’s grocery bill?
Mathematics
1 answer:
amm18123 years ago
3 0
The original price is c. Then the grocery bill will be: c - 0.05c = 0.95 c. You can also say since the beggining that 5% disscount implies 0.95 factor, which leads to c * 0.95 = 0.95c. Sorry if it’s wrong
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4 years ago
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kiruha [24]

Answer: 0.05412

Step-by-step explanation:

Formula : Odds of having an event is given by  o=\dfrac{p}{1-p}, where p = probability that event happens.

In terms to find p , we use p=\dfrac{o}{1+o}

Given, he back of the ticket lists the odds of winning each dollar value: 0.05 for $10, 0.04 for $25, 0.01 for $50, and 0.003 for $100.

Let X be the worth of ticket.

Then, the probability that the ticket is worth at least $25 =

P(X\geq 25)=P(X=25)+P(X=50)+P(X=100)

=\dfrac{0.04}{1+0.04}+\dfrac{0.01}{1+0.01}+\dfrac{0.003}{1+0.003}\\\\=0.05135

The odds that the ticket is worth at least $25 = \dfrac{0.05135}{1-0.05135}

=0.05412

hence, the odds that the ticket is worth at least $25 is <u>0.05412 .</u>

5 0
4 years ago
HELPPPP Select the figure with four lines of symmetry and a 90° angle of rotational symmetry.
Elis [28]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
I really need help please!
pashok25 [27]

As we know that angle of semi circle is 180°.

Here,

FLG = 40°

GLH = ?

HLJ = 60°

FLG + GLH + HLG = 180°

40° + GLH + 60° = 180°

GLH + 100° = 180°

GLH = 180° - 100°

GLH = 80°

Now,

FLH = 40° + 80° = 120°

\sf \: Length \:  of  \: an \:  arc  \: of \:  GHF =   \dfrac{ \theta}{360}  \times 2 \pi \: r

=  \dfrac {120}{360}  \times 2 \times  \dfrac{22}{7}  \times r

=  \frac{1}{3}  \times  \frac{44}{7}  \times r

=  \frac{44}{21}  \times r

= 2.09r

4 0
3 years ago
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Juli2301 [7.4K]

Answer:

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7 0
3 years ago
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