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mezya [45]
3 years ago
10

Perform the operation (5x^2 + 4) - (-2y^2 + 4)

Mathematics
1 answer:
KIM [24]3 years ago
6 0
5x^2+2y^2 is the answer to you problem.
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The proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes was 0.9 −
kaheart [24]

Answer:

The proportion would be 0.1

Step-by-step explanation:

Given, the function that shows the proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes,

f(t) = 0.9 - 0.4\ln(t)

If t = 7 minutes,

f(7) = 0.9 - 0.4\ln(7)=0.9 - 0.77836=0.12164\approx 0.1

Hence, the proportion that remembered the number for 7 minutes is 0.1 ( approx )

8 0
3 years ago
Which of the following statements are correct based on the diagram? Select all that apply.
cluponka [151]

Answer:

Segment U T is congruent to segment X V

Segment S T is congruent to segment W V

Angle V is congruent to angle T

7 0
2 years ago
Help me please:) anyways have a good day
sleet_krkn [62]
The correct answer is option 4! you have a good day as well
6 0
3 years ago
Read 2 more answers
What is the answer to this equation
joja [24]

Answer:

S = 9.9

Step-by-step explanation:

First, multiply by -3 to remove fractions:

so:

S - 38.4 = -28.5

Take all values to one side by adding 38.4 to both sides

S = 9.9

5 0
2 years ago
No entendi lpM explicen
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No able engles? Don’t know if i spelt that right but
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