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yuradex [85]
3 years ago
10

Help please and thank you

Mathematics
1 answer:
Lisa [10]3 years ago
5 0

Answer:

x = y² - 7

Step-by-step explanation:

the inverse function is simply an exchange of x and y (and then the simplification happens to transform the whole expression back into a form y = ....)

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A pattern follows the rule "Starting with three, every consecutive line has 2 less than twice the previous line."
SVEN [57.7K]
"Starting with three, every consecutive line has 2 less than twice the previous line."

this statement means that
your staring line has 3 marbles. You multiply the 3 marblesby 2 so
3x2=6
And then you minus it by 2
6-2=4

which means that you'll get 4 marbles for the next line.

So to get your 6th line, you count how many marbles is on the 5th line but since your diagram doesn't have the 5th line you have to figure out the 5th line by counting how.many marbles is on the 4th line.

4th line = 10 marbles

10×2=20
20-2=18

5th line = 18

18×2=36
36-2=34

So the 6th line has 34 marbles.
8 0
4 years ago
What is 246000000 in standed form need to know whit in 15 min
11Alexandr11 [23.1K]

Answer:

2.46×10^8

Step-by-step explanation:

The decimal point is here

246000000.

Then it must be moved up to here

2.46000000

Those are eight steps from where it was, so to compensate and make sure the number remains the same remove the zeros and multiply by 10^8

Then you have

2.46×10^8

3 0
3 years ago
Helpppp with homework
Shtirlitz [24]

Answer:

Pi^3 * x^4

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
What is 14% of 230? a.16.4 b.0.06 c.32.2 d.3220
Nina [5.8K]
<h2>Step-by-step explanation:</h2>

Use a proportion to solve your question.

8 0
4 years ago
11. Find the product: (50z + 20)(10z + 4) ( 1 ) 12. Find the product: (88a + 80)(8a + 8) ( 1 ) 13. Find the product: (40y + zy)(
Vika [28.1K]

Answer:

11. 500z^{2}  +400z+80

12. 704a^2 + 1344a + 640

13. 160y^2 + 44zy^2  + z^2y^2

Step-by-step explanation:

11. (50z + 20)(10z + 4) = ?

Using Formula:

(a+b) (c+d) = a(c+d)+b(c+d)

50z(10z+4) + 20(10z + 4) = \\\Rightarrow 500z^{2} + 200 z+200z+80\\\Rightarrow 500z^{2} +400z+80

12. (88a + 80)(8a + 8) = ?

Using Formula:

(a+b) (c+d) = a(c+d)+b(c+d)

\Rightarrow 88a(8a+8) + 80(8a + 8)\\\Rightarrow 704a^2 + 704a + 640a + 640\\\Rightarrow 704a^2 + 1344a + 640

13. (40y + zy)(4y + zy) = ?

Using Formula:

(a+b) (c+d) = a(c+d)+b(c+d)

\Rightarrow 40y(4y + zy) + zy(4y + zy)\\\Rightarrow 160y^2 + 40zy^2 + 4y^2z + z^2y^2\\\Rightarrow 160y^2 + 44zy^2  + z^2y^2\\

7 0
3 years ago
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