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Aleonysh [2.5K]
3 years ago
12

Which polynomial identity will prove that 64+27=91?

Mathematics
2 answers:
Yuri [45]3 years ago
7 0

Answer:

Sum of cubes. I just did this test.

Step-by-step explanation:

Honestly I have no real explanation other than a sum would be adding, whereas difference would be subtracting.

Elena L [17]3 years ago
3 0

B-sum of cubes is the answer

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In which quadrant does the point (12, -8) lie?
Arada [10]

Answer:

4

Step-by-step explanation:

4th

the x is positive and the y is negative

3 0
3 years ago
Read 2 more answers
Given: f(x) = 3x+2 and g(x) = -4x-2
Alecsey [184]

Answer:

x = -4/7, y = 2/7

Step-by-step explanation:

Given: f(x) = 3x + 2 and g(x) = - 4x - 2

The point of intersection of the two functions is the point at which both functions intersect. We have to solve the functions simultaneously to get the solution.

f(x) = y = 3x + 2

y = 3x + 2               (1)

g(x) = y = -4x - 2  

y = -4x - 2               (2)

Subtract equation 2 from equation 1:

0 = 7x + 4

7x = -4

x = -4/7

Put x = (-4/7) in y = 3x + 2:

y = 3(-4/7) + 2 = -12/7 + 2 = 2/7

5 0
3 years ago
There is a sales tax of $16 on an item that costs $232 before tax. The sales tax on a second item is $ 22. How much does the sec
pav-90 [236]

Answer:

  $319

Step-by-step explanation:

Usually, sales tax is proportional to the amount of the sale, so if the sales tax is a factor of 22/16 times the original tax, then the sale amount must be 22/16 times the original item cost:

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7 0
3 years ago
Pedro invests £800 in a bank account that pays 3% simple interest per year. How much money will he have in his account after 3 y
cricket20 [7]

874.18

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Which set of rational numbers is arranged from least to greatest? 1 over 5, −1.4, negative 1 over 2, 3
m_a_m_a [10]

Answer:

-1.4, -\frac{1}{2}, \frac{1}{5}, 3

Step-by-step explanation:

Given

\frac{1}{5}, -1.4, -\frac{1}{2}, 3

Required

Order from least to greatest

We have:

\frac{1}{5}, -1.4, -\frac{1}{2}, 3

Convert all fractions to decimal

0.2, -1.4, -0.5, 3

Now order from least to greatest

-1.4, -0.5, 0.2, 3

Replace fractions

-1.4, -\frac{1}{2}, \frac{1}{5}, 3

5 0
3 years ago
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