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Nutka1998 [239]
3 years ago
5

Simplify 3a+4+b+2a+5+b

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0

Answer: 5 a + 2 b + 9

Step-by-step explanation: Hope this helped!!!!

butalik [34]3 years ago
3 0

Answer:

Step-by-step explanation: you add 3a and 2a because they have the same variable, then you add 4 and 5, then you add b and b, to solve this you have to find like terms.

Answer: 5a+2b+9

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What is the value of 1/2 x^3+3.4y when x=2 and y=5?
lora16 [44]
(1/2) * x^3 + 3.4y when X = 2 and Y = 5.
= (1/2) * (2^3) * 3.4(5)
= (1/2) * 8 * 17
= (1/2) * 136
= 136/2
= 68.
8 0
3 years ago
This year the fifth grade collected 216 fewer plastic containers than the fourth grade.How many plastic containers did the fifth
kap26 [50]

Let number of plastic containers collected by fourth grade= x

Then number of plastic containers collected by fifth grade students=x-216

OR

If number of plastic container collected by fifth grade is y

then number of plastic container collected by fourth grade=y+216

So, we can write it as follows

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7 0
3 years ago
Eight more than four times a number is -12
FrozenT [24]
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7 0
3 years ago
A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot
pochemuha

Answer:

Not exactly sure but maybe these percentages that i found can help you

Step-by-step explanation:

if there are 12 questions then there are 12 correct answers out of 60 total answers 12 divided by 60 = 0.20 which is 20 percent so upon guessing she has a theoretical 20 percent chance to get all questions correct

7 0
3 years ago
1. Which value is a solution of the equation 3-2x=-5?
Alex787 [66]
Answers:

1) B:  4
________________
2) D: (5,2) .
___________________________________
3) D: (-2, -10).
4 0
3 years ago
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