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laila [671]
3 years ago
13

If the volume of a cube is 216cm fond the length of the cube ​

Mathematics
1 answer:
deff fn [24]3 years ago
7 0

Answer:

6cm

Step-by-step explanation:

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For equal intervals, _____ functions have equal factors.
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exponential. not linear functions because they change by equal differences not intervals.

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In a dog show, there will be a gold and silver medal awarded.There are 6 finalists. In how many ways can the 2 medals be awarded
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(6)(5) =

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30

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Jordan uses a 20% off coupon when she buys a camera that originally cost $100.00 How much money does jordan save and what is the
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Give the y intercept <br><br>y=3/2x+3​
morpeh [17]

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Y intercept: (0,3) or 3

Step-by-step explanation:

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3 0
3 years ago
Could someone please answer question b) ii) ?<br> The question is on the attached image.
mel-nik [20]

Answer:

b) i) Curve A

ii) - 1.75

iii) x = 1 - √5  or x = 1 + √5

Step-by-step explanation:

b) i) We are given a function y = x² - 2x - 3 and the graph of this function is also shown in the side diagram.

The equation can be rearranged to y = (x - 1)² - 4

⇒ (x - 1)² = y + 4

Therefore, this is an equation of a parabola having the vertex at (1,-4) point and its axis is parallel to the positive y-axis.

So, the curve A represents the equation given. (Answer)

ii) Now, at x = 2.5, f(x) = 2.5² - 2 × 2.5 - 3 = - 1.75 (Answer)

iii) When y = 1, then x² -2x - 3 = 1

⇒ x² - 2x - 4 = 0

⇒ (x - 1)² - 5 = 0

⇒ (x - 1)² - (√5)² = 0

⇒ (x - 1 + √5)(x - 1 - √5) = 0

⇒ x = 1 - √5  or x = 1 + √5 (Answer)

3 0
3 years ago
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