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Lina20 [59]
3 years ago
7

What's the perimeter for this

Mathematics
1 answer:
IceJOKER [234]3 years ago
5 0
There are 8 small sides that measure 3 units each; so that'd be a total of 24 units
There are 2 sides that measure 4x; so they'd equal a total of 8x
& Finally there're 2 long sides that measure (2x-1) each; equal a total of (4x-2)

Add all these up:
(24) + (8x) + (4x-2)

Your answer is:
12x-22
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The graph of f(x) = 2x + 3 shifts 10 units to the right when it is replaced with the graph of f(x) = 2x − k. What is the value o
Nezavi [6.7K]

Answer:

k=17

Step-by-step explanation:

Given F(x)=2x+3  shifts 10 units when it is replaced with the graph f(x)=2x-k.

The method to solve this kind of questions is find where the graph meets the x axis then add ten units to it .The obtained x coordinate is the point where the second graph meets the x axis.

Now first find where the F(x)=2x+3 meets the x axis by substituting F(x)=0.

2x+3=0

x=-\frac{3}{2}

Now add 10 to this x coordinate , we get x1=10-3/2=17/2

this is x coordinate where the second line meets the x-axis.

The second line is F(x)=2x-k.

now f(x)=0 and x=17/2

On substitution we get 0=2*17/2-k

k=17

3 0
3 years ago
Two identical square tables are combined to create a rectangular table, as shown. A third identical square table will be added t
Gnom [1K]

Answer:

456 chairs

Step-by-step explanation:

If there are 6 round tables with 7 chairs each you would multiply 7, 6 times (7 x 6) = 42

If there are 23 rectangular tables with 18 chairs each you would multiply 18, 23 times. ( 18 x 23) = 414

Then you add up all the chairs, 456 chairs total.

If I'm wrong I'm so sorry

if I'm right Thank you (brainliest plz)

5 0
2 years ago
Read 2 more answers
A particle p is moving along the x-axis the displacement x metres from O can be writen as x=t^5-12t²+9 find the velocity
Lisa [10]

Answer:

v = t (5t^{3} - 24)

Step-by-step explanation:

We are given an expression to solve for the displacement (x), so in order to find velocity (v), we need to differentiate the function.

============================================================

Solving :

⇒ \frac{dx}{dt} = \frac{d}{dx} (t^{5} - 12t^{2} + 9)

⇒ v = (5)t^{5-1} - (2)12t^{2-1} + 0

⇒ v = 5t^{4} - 24t

⇒ v = t (5t^{3} - 24)

Using this equation, we can find the velocity if a value of t is given.

5 0
1 year ago
Justify each step in the solution of the equation 5(x+2)=24-2x
Lady bird [3.3K]

Answer:

x=2

Step-by-step explanation:

5(x+2)=24-2x

5x+10=24-2x

5x-(-2x)+10=24

5x+2x=24-10

7x=14

x=14/7

x=2

8 0
3 years ago
A recipe calls for 40 ounces of<br> meat. How many pounds of<br> meat does the recipe require?
I am Lyosha [343]

Answer:

2.5 pounds of meat

Step-by-step explanation:

One pound of meat is equal to 16 OZ

4 0
2 years ago
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