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dmitriy555 [2]
3 years ago
9

I need help with these questions please ASAP!!!!!!

Mathematics
2 answers:
Effectus [21]3 years ago
7 0

Answer:

Your answers are 1.A 2.T 3.C 4.A

leonid [27]3 years ago
5 0
Read it #1 would be A. Read it #2 would be False. Read it #3 would be D (not sure on that one) and Read it #4 would be A
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Which division problem is represented with this model?
sp2606 [1]
D 1/6 % 2 is the correct answer
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2 years ago
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Simplify the given expression. (16x^2 + 15xy – 19y^2) – (3x^2 – 3xy)
ruslelena [56]

Answer:

-19 y^2 + 18 x y + 13 x^2

Step-by-step explanation:

Simplify the following:

16 x^2 + 15 x y - 19 y^2 - (3 x^2 - 3 x y)

Factor 3 x out of 3 x^2 - 3 x y:

16 x^2 + 15 x y - 19 y^2 - 3 x (x - y)

-3 x (x - y) = 3 x y - 3 x^2:

16 x^2 + 15 x y - 19 y^2 + 3 x y - 3 x^2

Grouping like terms, 16 x^2 + 15 x y - 19 y^2 - 3 x^2 + 3 x y = -19 y^2 + (15 x y + 3 x y) + (16 x^2 - 3 x^2):

-19 y^2 + (15 x y + 3 x y) + (16 x^2 - 3 x^2)

x y 15 + x y 3 = 18 x y:

-19 y^2 + 18 x y + (16 x^2 - 3 x^2)

16 x^2 - 3 x^2 = 13 x^2:

Answer:  -19 y^2 + 18 x y + 13 x^2

4 0
3 years ago
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A population of bacteria is growing according to the exponential model P = 100e.70t, where P is the number of colonies and t is
Reika [66]
T=(log(300÷100)÷log(e))÷0.7
T=1.6
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Write an equation that shows the relationship 40% of 140 is x
uranmaximum [27]

Answer:

x=140times0.4

Step-by-step explanation:

then subtract your anser from 140

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2 years ago
A teacher assigns 10 questions for homework and wants to randomly pick 3 questions to be graded. He writes the numbers 1–10 on e
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B:yes because the paper slips were equally size and the bag was shaken

Step-by-step explanation:

Taking the test

6 0
3 years ago
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