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Tcecarenko [31]
3 years ago
13

Evaluate |x^2 +9x| at x = -4

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
7 0
|(-4)^2 + 9(-4)|
|16 - 36|
|-20|
20
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Chris rents a car for a total of £375. The rental charges are £150 for the first day and £75 per day after that. For how many da
Vsevolod [243]

9514 1404 393

Answer:

  4 days

Step-by-step explanation:

The total charges can be modeled by ...

  c = 75d + 75 . . . . . . charges for d days

Filling in the given charge, we find ...

  375 = 75d +75

  300 = 75d . . . . . . . subtract 75

  4 = d . . . . . . . . . . divide by 75

Chris rented the car for 4 days.

7 0
3 years ago
Can someone help me on this plz thankyou!!
kipiarov [429]
G(x) is a translation of f(x) 5 units up
Giving us g(x)=f(x)+5
So k=5
4 0
3 years ago
Find the diameter of the base of a right cylinder if the surface area is 128(pi) and the height is 12cm.
Gelneren [198K]
d=2r\\
A=128 \pi \\
A=2 \pi  r^{2} +2 \pi rh \\\\
2 \pi  r^{2} +2 \pi rh = 128 \pi \\
2 r^{2} +2rh = 128\\
2 r^{2}+24r-128=0\\
r^{2}+12r-64=0\\
delta=400\\
r_{1/2} = -16/4 \\
r=4cm\\
d=8cm\\


Radius / diameter as a length cannot be negative, that's why '-16' is wrong.
8 0
3 years ago
Every year, Alice's family runs the sand castle contest during the Fun in the Sun beach festival. Alice's job is to deliver empt
seropon [69]

Answer:

120 buckets

Step-by-step explanation:

If there are 15 teams and each team gets the same number of buckets (8 buckets as mentioned in the problem), then you can multiply 15 by 8 to get 120.

15 teams * 8 buckets = 120 total buckets

8 0
2 years ago
WILL MARK BRAINLST 6 guys are watching sao but they only have 4 remotes and 6 tvs how much remotes will eatch guy get
IceJOKER [234]

Answer:

cant they just watch in pairs.

2 people on one tv

each pair would get one remote leaving one remote left over

if you divide the remotes umungst the 6 then they would only get a fraction of it. unless they buy 2 more remotes then I think that's the best solution

8 0
3 years ago
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