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Andre45 [30]
3 years ago
9

Can someone help me with 8 or 9

Mathematics
1 answer:
kumpel [21]3 years ago
4 0
8
A. Delivery is $20. One cord is $120.
B. 1 1/2 cord costs $200. ($180 for the cord and $20 for the delivery)

(I can’t see the full problem for 9)
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1) Sally sprints 300 yards in a minute. Quadra runs 20% further than Sally in the same time.
Free_Kalibri [48]
1) answer = 360
explanation =
-> 10% of 300 = 300*10
-> 10% of 300 = 30
-> 20% = 10% x 2
-> 20% = 30 x 2
-> 20% = 60
-> 300 yards ( distance they ran ) + 60 yards ( how much more distance Quadra ran ) = 360 yards
2) answer = Newton spends 10 minutes or 1/6 hours reading
explanation =
-> 25% = 1/4
-> 40*4= 10
-> 1 hrs = 60 min
-> 10 min x 6 = 60 min
-> 1/6 hrs = 10 min
3) answer = 30 fish
explanation =
-> 40% = 12
-> 10% = 3
-> 40*4=10 and 12*4=3
-> 10% + 40% = 50% so 12 + 3 = 15
-> 50% = 15 and 100% = 15 x 2
-> 100% = 30
4) answer = 30
explanation =
-> 1/4 is equal to 25 %
-> add up all the prrcentages ( 25% + 10% + 15% = 50% )
-> she have 50% of tej chocolates Which were in the tin she bought away and kept 15 chocolates to herself
-> 50% = 1/2
-> 50% x 2 = 100%
-> 15 x 2 = 30
3 0
2 years ago
Factor out the greatest common factor<br> 15x^2-21x<br> ^=exponent
gavmur [86]

Answer:

3x

Step-by-step explanation:

3x(5x-7)

brainliest!

4 0
3 years ago
Need answer asap!!! worth ten points!!! please help!!
MArishka [77]

Answer:

x=17 <A= 114

I think this is the answer

Step-by-step explanation:

3 0
3 years ago
A car takes 65.1 seconds to travel 1 mile. How long does it take the car to travel ​4.3 miles? First round to the nearest whole
Elodia [21]
279.93 ≈ 280 seconds or 4 minutes 40 seconds
3 0
3 years ago
What is y + 2/5 y equivalent to
Lerok [7]
7/5y. you add the 2/5y to the 5/5y and get 7/5y
8 0
3 years ago
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