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Stella [2.4K]
3 years ago
6

Pls help with 15,16, and 17 Pls hurry whoever answers first will be mark the brainliest

Mathematics
2 answers:
GalinKa [24]3 years ago
4 0
(15) 3 (16) -0.6 (17) -2
Elan Coil [88]3 years ago
3 0

Answer:

You simplify

Step-by-step explanation:

15. Answer is 3 ,  2 x 3/2 =   3   ( you remove parentheses & multiply the fractions)

17. Answer is -1 ,  1-3/2 = -2/2 = -1 ( you convert the mixed numbers to imporper fractions and go on from there )

16. Answer is - 2/3, ( remove parenthesese & cross cancel common factor: 2)

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On Tuesday the temperature is 1 ºC. By Wednesday it has dropped to –2 ºC. The temperature drops by twice as much from Wednesday
Finger [1]

Answer: -8^{\circ}C

Step-by-step explanation:

Given

The temperature on Tuesday is 1^{\circ}C

Temperature drops to -2^{\circ}C on Wednesday

Net drop in temperature 1-(-2)=3^{\circ}C

The temperature drops twice from Wednesday to Thursday

\Delta T=2\times 3=6^{\circ}C

Temperature on Thursday

\Rightarrow -2-6=-8^{\circ}C

3 0
2 years ago
Solve by substitution <br>-4x-2y=-12 <br>4x+8y=-24
kykrilka [37]
I hope this helps you



-4x-2y+4x+8y= -12-24



6y= -36


y= -6



-4x-2. (-6)= -12


-4x+12= -12


-4x= -24


x=6


(6, -6)
5 0
3 years ago
The price of one gallon of milk has increased from $3.24 to $4.05. What us the percentage in increase?
dalvyx [7]
The percentage increase is 25%


8 0
3 years ago
Becky is 18 and would like to buy a house when she is 36. What is the discount factor for today's prices if the housing values i
statuscvo [17]
<span>you need to find the amount of years between now and when she wants to buy a home. 36-18= 18. then you take 18 and multiply is by %6. 18x%6 or 18x.06 =108% or 1.08. 

The discount prices for today's housing values compared to 18 years from now with a 6% increase per year would be 108% discount. </span>
3 0
3 years ago
Anyone know the answer , please help!
romanna [79]

Answer:

7

Step-by-step explanation:

Data of # posts made:

1, 1, 2, 2, 3, 5, 5, 6, 7, 7, 7, 8, 8, 9, 9, 9, 9, 10

Since we want to find the median, we find the middle number which is 7. The median is 7.

6 0
3 years ago
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