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Ira Lisetskai [31]
3 years ago
5

A cake was divided into thirds.Lisa ate 1/3 of one of the thirds what part of the cake did she eat?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
6 0
She ate the whole cake because 1/3 of 3 cakes means u have to multiply so 1/3 times 3/1 equals one whole
Nana76 [90]3 years ago
3 0
1/9 of the cake 3x3 is 9 and she only are 1/9
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What is ?l4 as a mixed number?
PSYCHO15rus [73]

Answer:

It's a whole number. It cannot be a mixed number. Anyways I would have to know the denominator.

3 0
3 years ago
Write an equation (any form) for the quadratic graphed below. Y=
Licemer1 [7]

Answer:

y = -2x^2 - 4x - 1

Step-by-step explanation:

We can see that the graph passes through (-2, -1), (-1, 1) and (0, -1).

Let's solve

ax^2 + bx + c = y

a(-2)^2 + b(-2) + c = -1

4a - 2b + c = -1

a(-1)^2 + b(-1) + c = 1

a - b + c = 1

a0^2 + b0 + c = -1

c = -1

we got c = -1 so we input it into the other 2

4a - 2b - 1 = -1

4a - 2b = 0

2a - b = 0

2a = b

a - b - 1 = 1

a - b = 2

a = b + 2

Let's input b = 2a

a = 2a + 2

-a = 2

a = -2

b = 2a = 2*(-2) = -4

c = -1

y = -2x^2 - 4x - 1

4 0
3 years ago
Find the equation of the line that passes through points a and b
Blizzard [7]

Answer:

y - 7 = 2(x - 1)

Step-by-step explanation:

Going from (-3, -1) to (1, 7), x increases by 4 and y by 8.  These numbers are the 'run' and 'rise' of the line, respectively.  Thus, the slope of the red line is m = rise/run = m = 8/4 = 2.

Using the point-slope formula and the point (1, 7), we get:

y - 7 = 2(x - 1)

6 0
2 years ago
Really need help with this PLZZZZZ WILL GIVE BRAINLIEST PLZZ ASAP I SUCK AT MATHHH
shusha [124]

I'm not sure about the second image.

But the first one is telling you to translate x, 3 units left, and translate y, 4 units up.

(-6, 0) will turn to (-9, 4)

I subtracted 3 from -6 and added 4 to 0.

7 0
3 years ago
If the polynomial
erik [133]

Answer:

  • (C) - x

Step-by-step explanation:

<u>Given polynomial:</u>

  • x¹⁹ + x¹⁷ + x¹³ + x⁷ + x⁵ + x³

<u>Group as follows:</u>

  • (x¹⁹ + x¹⁷) + (x¹³ + x¹¹) + (x⁷ + x⁵) + (x³ + x) - x =
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As we see all terms have (x² + 1) as factor apart from the last one.

It means the remainder is - x

Correct choice is C

3 0
3 years ago
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