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maria [59]
3 years ago
12

ling has m dolls. Alice has 3 times as many doll's as Long. Betty has 7 fewer doll's than Alice. How many dolls do they have in

all. Give your answer in terms of m
Mathematics
1 answer:
morpeh [17]3 years ago
6 0
Ling has m
Alice has 3m
Betty has 3m-7
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Please identify the terms, like terms, coefficients, and constants in each expression! Thank you!
Bogdan [553]
16. there are 4 terms, +4m, +3, +m, +1
+4m and +m are like terms, +3 and +1 are like terms. (Like terms can be combined, +4m+m=5m). the coefficient (the number to the right of a letter) for the term +4m is +4, the coefficient for the term +m is +1. +1 and +3 are the two constants. (constants are numbers without a letter)

I hope you can do the rest by yourself now. Note: in #18, 7j, 11jk, and k are not like terms. There are no like terms in number 18. Neither are there any like terms in #20
7 0
3 years ago
Please help for 10 points and 5 stars with 1 thanks! :]
Rudiy27

probability = favourable outcomes/total outcomes

you need 1 banana, out of 4 and there are total of 6 items so probability will be 4/6

when you take out 1 banana, there are 3 banana left and total of 5 items

so probability of this action will be 3/5

now, next action is taking out another banana.

this is NOT an independent event.

so by we will multiply the probabilities of these events according to rule of products.

so the answer is \frac{4\cdot3}{6\cdot5}=\frac25

or 2×100/5=40%

7 0
3 years ago
Simplify the fraction 20/41
melomori [17]

Answer:

20/41 (it can't be reduced or simplified)

Step-by-step explanation:

41 is a prime number hence cannot be divided by anything.

Therefore, 20/41 simplified is still 20/41 and in decimal format is 0.488(3 d.p)

8 0
3 years ago
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A sphere with a radius of 4.8 centimeters is carved out of a right cone with a base radius of 8 centimeters and a height of 15 c
emmainna [20.7K]

Volume of the cone = 1/3 pi r^2 h = 1005.31 cm^3

Volume of the sphere = 4/3 pi r^3 = 463.25 cm^3

Volume of remaining portion of the cone = 1005.31 - 463.25

= 542.1 cm^3 to nearest tenth

4 0
3 years ago
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1
Nina [5.8K]
B, is the correct answer
4 0
3 years ago
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