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earnstyle [38]
4 years ago
8

What is 8b-ab+7a subtracted from 3a-9ab+b

Mathematics
1 answer:
Ainat [17]4 years ago
6 0

Answer:

You should get -5

Step-by-step explanation:

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Give 3 negative numbers and 2 positive numbers with the sum of 30.
bonufazy [111]
20+20-3-3-4 the 3 3 and 4 are beagative numbers
4 0
4 years ago
BRAINLIEST!!- Find 0.25of 40
ipn [44]

Answer: 25% of 40 or 0.25 of 40 is 10.

Step-by-step explanation:

Basically you have to divide 40 by 10 because 1/4 of 100 is 25. 25 is 1/4 of 100.

So knowing this 40/0.25 is equal to 10. This is why 0.25 of 40 is 10.

7 0
3 years ago
A certain game involves tossing 3 fair coins, and it pays .14 for 3 heads, .06 for 2 heads, and .01 for 1 head. The expected win
Romashka [77]

Answer:

Total expected amount = $0.04375

Step-by-step explanation:

We need to calculate probability of getting heads on every combination of coin tosses

HHH = 1/8 = 3 heads

HHT = 1/8 = 2 heads

HTH = 1/8 = 2 heads

HTT = 1/8 = 1 head

THH = 1/8 = 2 heads

THT = 1/8 = 1 head

TTH = 1/8 = 1 head

TTT = 1/8 = 0 head

So the probability of 3 heads is 1/8 and the amount is (1/8)* 0.14 = $0.0175

Probability of 2 heads is 3/8 and the amount is (3/8) * 0.06 = $0.0225

Probability of 1 head is 3/8 and amount is (3/8) * 0.01 = $0.00375

Total expected amount = 0.00375 + 0.0225 + 0.0175

Total expected amount = $0.04375

7 0
4 years ago
Gina has 7 2/6 ft of silver ribbon and 2 4/6 of gold ribbon how much more silver ribbon does Gina have than gold ribbon?
salantis [7]

Answer:

Gina has 5 more feet of silver ribbon than gold

Step-by-step explanation:

7 - 2 =5

7 0
3 years ago
If f(x)=x and g(x) =2, what is (f•g)(x)
slavikrds [6]
The answer is c. You distribute the X to the F and G. f(x) + g(x), which is x + 2.
7 0
3 years ago
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