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const2013 [10]
3 years ago
13

Can someone help me will mark brainliest!

Mathematics
1 answer:
lions [1.4K]3 years ago
5 0

Answer:

C. gas prices are decreasing on the interval (2,4) and increasing on the interval (4,6)

Step-by-step explanation:

This means that between the first and fourth day of the week, gas prices drop. This is the opposite for days 5 - 7.

If this answer is correct, please make me Brainliest!

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F 9 is added to twice a number and this sum is multiplied by 4​, the result is the same as if the number is multiplied by 4 and
riadik2000 [5.3K]
Let
x---------> the number

we know that
[9+2x]*4=4x+12
36+8x=4x+12
8x-4x=12-36
4x=-24
x=-24/4
x=-6

the answer is
-6
8 0
3 years ago
carla can type 265 characters a minute on her keyboard. at that rate, how many characters can she type in 15 minutes?
gavmur [86]
Therefore multiply 265 by 15.
6 0
3 years ago
Question 3
REY [17]
<span>Question 3 
Solve for d.

13d + 4 = 43
13d = 39
    d = 3

answer
A. 3

</span><span>Question 4 
Solve for r.

4r - 6 = 30
4r = 36
  r = 9

answer

D. 9
</span>

<span>Question 5 
Solve for u.

126 = 6u
u = 126/6
u = 21

answer

B. 21

</span>
4 0
3 years ago
The school water fountain can only fill 3/4 of a jug at a time. With this amount of water, Mr. Kern can water 3/8 of his plants.
Vesnalui [34]

Answer:

\frac{3}{4}  =  \frac{3}{3}   \\  \frac{3}{8}  = x \\ x =  \frac{3}{8}  \times  \frac{4}{3}  \\ x =  \frac{1}{2}

5 0
2 years ago
Five years ago ,a father was four times as old as his son.In five years time the father will be twice as old as the son.If x and
andrew-mc [135]
B 4y-y=15;x-2y=5 is the correct one
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3 years ago
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