Answer:
13. $55.50 - $29.25 = $26.25
$26.25 ÷ 5 = $5.25
C. 29.25 + 5t = 55.5; t = $5.25
11. $500 - $119.75 = $380.25
$380.25 ÷ $2.25 = 169
C. 119.75 + 2.25p < 500; p < 169
16. 8 + 7 + 3 + 42 = 60
42/60 = 0.7
540 × 0.7 = 378
B. About 380 students take the bus to school
17. 25% increase = 125% = 1.25
280 × 1.25 = 350
350 × 9 = 3,150
3,150 - 3,114 = 36
A. He will break the record by 36 yards
19. 25,000 - 17,500 = 7,500
7,500 ÷ 2,500 = 3
C. Greater than 3
22. 17.55 ÷ 5 = 3.51
A. 3.51 feet
23. A negative number divided by a positive number is still negative, so fractions will be equivalent regardless of the negative symbol being with the numerator or denominator.
B. 9/-16
Hi! to solve the question, how many necklaces did anne make in 16 hours if she makes 10 items in 2 standard 8-hour work days, we should first check the time she needs to make each item.
3 individual hours to make a necklace, and 1 hour to make a ring. according to the problem, she made 10 items in 16 hours. this problem will most likely be trial and error. let’s try one first guess.
my first guess will be, maybe she will make 6 rings and 4 necklaces. 6 times 1 is 6, which takes 6 hours for the rings. 4 times 3 is equal to 12. 6 + 12 is too high! let’s try again.
what about 6 rings and 2 necklaces? 6 times 1 is 6, so that’s 6 hours. 2 times 3 is 6 hours! 6 plus 6 is 12, which is close, but not quite there!
let’s try 7 rings and 3 necklaces! 7 times 1 is 7 hours. 3 times 3 is equal to 9 hours! total that together, 7 plus 9, is equal to 16 hours spent!
so, the answer would be, “Anne made 7 rings and 3 necklaces within 16 hours.” hope this helped!:)
We have an equation: 270/?= 7.5/100
Cross multiply:
7.5*?= 270*100
⇒ ?= 270*100/7.5
⇒ ?= 3600
The total box office receipts is 3,600~
Answer:
z = 82°
x = 7°
Step-by-step explanation:
180° - 82° = 98° + 7°
= 105° ÷ 15
= 7°
ywc :) Mark me brainliest
L = 0.403 is the lower end of the confidence interval
U = 0.487 is the upper end of the confidence interval
The margin of error E is
E = (U-L)/2
E = (0.487-0.403)/2
E = 0.042
Which is half the distance from the lower to upper end
---------------------------
The midpoint of the confidence interval is the value of 
(read out as "p hat")
phat = (U+L)/2
phat = (0.487+0.403)/2
phat = 0.445
---------------------------
Answer: The confidence interval (0.403, 0.487) can be rewritten into the form 
