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Elis [28]
3 years ago
8

I need some help with this problem.

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0

Answer:

B.

Step-by-step explanation:

hope it helps :)

brainliest pls? have a good day/night

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The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continu
Stolb23 [73]
18 degrees F because 
it dropped 12 degrees=10 hours
                   x degrees=15 hours
x is what you want to find out which is how many degrees it would drop in 15 hours.
12x15 then divided by 10 is 18.
5 0
3 years ago
The air pressure inside Jason’s bike tires decreases by about 6% each week. The original pressure was 45 pounds per square inch
Brrunno [24]
Compound percentage reduction can be calculated by multiplying the initial number by (1-x)^t where x is the percentage reduction (/100, i.e. 1% reduction is 0.01), and t is the number of times it has reduced.

So:
a) p=45(1-0.06)^t=45*0.94^t
Where t is the number of weeks.

We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 = 31psi
5 0
3 years ago
Which of the following statements correctly illustrate the addition property of equality?
liubo4ka [24]

Answer:

x - y + z = 8

2x +3y -z= -2

3x - 2y -9z = 9

Step-by-step explanation:

[1 - 1  1  8]

[2  3  -1 -2]

[3 -2 -9  9]

4 0
2 years ago
Researchers conducted a study to determine whether magnets are effective in treating back pain. Pain was measured using the visu
Kay [80]

Answer:

10 step

Step-by-step explanation:

6 0
3 years ago
Solve for y<br> 1/8y-2/3=5.5
amm1812

Answer:

y = 49 1/3

Step-by-step explanation:

1/8y-2/3=5.5

1/8y = 5.5 + 2/3

multiply both sides by 8:

y = 8(5.5 + 2/3) = 44 + 16/3 = 44 + 5 1/3 = 49 1/3

7 0
3 years ago
Read 2 more answers
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