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igor_vitrenko [27]
3 years ago
11

Alina spent no more than $45 on gas for a road trip. The first gas station she used charged $3.50 per gallon and the second gas

station charged $4.00 per gallon. Which inequality relates the number of gallons of gas she bought at the first station, x, the number of gallons of gas she bought at the second station, y, and the total amount she paid? What are the possible values of y?
a. 3.5x + 4y ≥ 45, y ≥ 11.25
b. 3.5x + 4y ≥ 45, 0 ≤ y ≤ 10.375
c. 3.5x + 4y ≤ 45, 0 ≤ y ≤ 11.25
d. 3.5x + 4y ≤ 45, y ≥ 10.375
Mathematics
2 answers:
xenn [34]3 years ago
5 0
The answer is C.Your welcome
egoroff_w [7]3 years ago
5 0

Answer:

the solution to this problem would be c, i hope this helps

Step-by-step explanation:


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3 years ago
What are the first and last terms of this geometric series
11Alexandr11 [23.1K]
ANSWER

E. 10 and 640


EXPLANATION


The given series is

\sum_{i=1}^45 \times 2^{2i-1}


To find the first term of the series we substitute i=1 to get,


a_1 = 5 \times  {2}^{2 \times 1 - 1}


a_1 = 5 \times  {2}^{ 1}  = 10



For the last term of the series, we substitute i=4 to obtain,

a_4 = 5 \times  {2}^{2 \times 4 - 1}


a_4 = 5 \times  {2}^{7}



This implies that,


a_4 = 5 \times  128 = 640


Therefore the correct answer is E
7 0
3 years ago
The function y=-16t^2 +36 represents the height y (in feet) of a water droplet t seconds after falling from an icicle. After how
NikAS [45]

Answer:

1.5 seconds

Step-by-step explanation:

plug 0 in for y

0=-16t^2+36

then slove for t

-36=-16t^2

-36 / -16 = 9/4

9/4=t^2

square root of 9/4 is 3/2 or 1.5

t=1.5

3 0
2 years ago
−7x−3≤ 25
Ivahew [28]

and you graph it from -4 to the right with close circle

Hope this help

8 0
3 years ago
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