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Sliva [168]
3 years ago
13

Tim's phone service charges $24.07 plus an additional $0.17 for each text message sent per month. If Tim's phone bill was $28.32

, which equation could be used to find how many text messages, x, Tim sent last month?
A. $0.17x - $24.07 = $28.32
B. $24.07x + $0.17 = $28.32
C. $0.17x + $24.07 = $28.32
D. $24.07x - $0.17 = $28.32
Mathematics
2 answers:
quester [9]3 years ago
7 0

C becuase x is each text you would multiply it .17 and then add it to 24.07 the bill each month

valkas [14]3 years ago
6 0

I'm pretty sure it would be C


because 0.17 is how much he has to pay for each message sent and if x is the total messages he sends then it should be 0.17X+24.07

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Answer:

see explanation

Step-by-step explanation:

The surface area (A) of a sphere is calculated as

A = 4πr² ← r is the radius, here r = 9, thus

A = 4π × 9² = 4π × 81 = 324π ≈ 1017.9 units²

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3 years ago
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You flip 3 coins. Is the probability of obtaining 2 heads and 1 tail in any order the same as the probability of obtaining a hea
konstantin123 [22]

Answer:

the probability of obtaining 2 heads and 1 tail in any order is higher than the probability of obtaining a head, than a head then a tail

Step-by-step explanation:

since the probability (p) of obtaining 2 head and 1 tail in any order is

P1 = p of obtaining ( H , H ,T) + p of obtaining ( H , T ,H ) + p of obtaining ( T , H ,H ) = 3*p of obtaining ( H , T ,H)

assuming a fair coin then p heads = p tails = 0.5

thus since each flip is independent from the others

p( H , H ,T)=p( H , T ,H )= p( T , H ,H )= P=0.5*0.5*0.5= 1/8

thus P1 =3*1/8=3/8

while the probability of obtaining a head, than a head then a tail is

P2= p of obtaining ( H , T ,H)= 1/8

then P1=3/8 >P2=1(8

therefore the probability of obtaining 2 heads and 1 tail in any order is higher than the probability of obtaining a head, than a head then a tail

6 0
3 years ago
If 70 is decreased by 50%, what is the new amount
Serga [27]

Answer:

35

Step-by-step explanation:

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or

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3 years ago
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kirill115 [55]

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7 0
3 years ago
(1/4)^3z-1 =16^z+2*64^z-2<br><br> Z=___<br><br> Please help
wariber [46]

Answer:

Z = 0.198877274

Step-by-step explanation:

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Hence, the value of Z = 0.198877274

8 0
3 years ago
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