Answer:
-7
Step-by-step explanation:
Coordinates are listed as (x,y) so x = -5 and y = .5
If you substitute the numbers in place of the letters, you get:
(-5) - 4(.5) = -7
-5 - 2 = -7
-7 = -7
Marking as Brainliest is much appreciated.
Answer:
Step-by-step explanation:
e = earrings and b = bracelets
so each earring cost 5 bucks.....5e
and each bracelet cost 7 bucks.....7b
and she hopes to make $ 300...
so ur equation is : 5e + 7b = 300 <===
It has 3 sig figs because 0 is not significant in this case because it’s at the end
1st day: 1 1/2 hours
2nd day: half of first day = 1/2 * 1 1/2 hours
3rd day: 2 1/2 times as long as first day: 2 1/2 * 1 1/2 hours
1 1/2 + 1/2 * 1 1/2 + 2 1/2 * 1 1/2 =
= 3/2 + 1/2 * 3/2 + 5/2 * 3/2
= 3/2 + 3/4 + 15/4
= 6/4 + 3/4 + 15/4
= 24/4
= 6
Answer: She studied for 6 hours over the 3-day period.
