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Elanso [62]
3 years ago
15

I need help on page 382 please on a and b

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0

Answer:

5a) The number of red blocks increases by one every time while the blue one stays the same.

5b) The number of blue blocks increases by one every time while the red one stays the same.

Step-by-step explanation:

I don't really know how to explain this. The best way for you to understand this concept is to google algebraic expressions for pattern rules.

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A cylinder has a radius of 12 m and a height of 9 m.
aliya0001 [1]

we are given

radius=r=12m

height=h=9m

now, we can use formula of volume of cylinder

V=\pi r^2 h

now, we can plug values

and we get

V=\pi (12)^2 *9

we get

V=1296 \pi m^3

so, the exact volume of the cylinder is 1296 \pi m^3..........Answer

6 0
3 years ago
Read 2 more answers
How many units the function y = |x - 8| is translated from the parent function?
PtichkaEL [24]

Answer:

8 Units, let me know if you didn't understand anything.  

Step-by-step explanation:

Translation is the simple movement of just left, right, up or down.  when dealing with the absolute value function here are the transformations.

A|B(x - C)| + D where A is the vertical stretch that multiplies all y values by A save where y=D.  B is the horizontal shrink, so you divide all x  values by B except for where x=C.  C is the horizontal shift, which is a translation.  C makes ALL points on the graph move to the right by C or if C is negative it moves them to the left.  it could also look like |x + C|.  keep in mind, +C is actually -C because - -C = C.  D shifts up and down, so it is also a translation.  if D is positive it moves up and if D is negative it moves down.

Nowthe only transformation in your problem is -8, which is a horizontal shift to the right.  so the graph moves 8 to the right.  There is your answer, 8 units.

6 0
3 years ago
A 200-liter tank initially full of water develops a leak at the bottom. Given that 20% of the water leaks out in the first 5 min
Leya [2.2K]

Answer:

127.53 liters left after 10 minutes

Step-by-step explanation:

Let

A \to Amount

t \to time

Given

A(0) = 200 --- initial

A(5) = 200 * (1 - 20\%) = 160 --- the amount left, after 5 minutes

Required

A(10) --- amount left after 5 minutes

To do this, we make use of:

A(t) = A(0) * e^{kt}

A(5)  = 160 implies that:

160 = 200 * e^{k*5}

Divide both sides by 200

0.80 = e^{k*5}

Take natural logarithm of both sides

\ln(0.80) = \ln(e^{k*5})

\ln(0.80) = \ln(e^{5k})

\ln(0.80) = 5k\ln(e)

So, we have:

-0.223 = 5k

Divide by 5

k = -0.045

So, the function is:

A(t) = A(0) * e^{kt}

A(t) = 200 * e^{-0.045t}

The amount after 10 minutes is:

A(10) = 200 * e^{-0.045*10}

A(10) = 200 * e^{-0.45}

A(10) = 127.53

3 0
3 years ago
The mean of 3, a+2, 8, 12, 2a-1 and 6 is 7. Find the value of a. its urgent plsss​
Anarel [89]

Answer:

5.5

Step-by-step explanation:

4 0
3 years ago
For the function y=3x−1, when the input (x)= 7, the output (y) = ?
MariettaO [177]

Answer:

y=3x-1 (replace x with 7 )

Step-by-step explanation:

y=3 (7)-1

y= 21-1

y= 20

note: multiply 3 with seven and minus 1 the answer is y so y=20

8 0
2 years ago
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