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Alexandra [31]
3 years ago
5

What does this mean? "9!" I did not learn this yet.

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer: 9 means "Parent watching"

hope this helps

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Why is it sometimes easier to open an account with a bank rather than with a credit union?
Vlada [557]

It is probably easier to open an account with a bank rather than with a credit union because most credit unions require a kind of affiliation, but banks will let anyone with money to open an account. The correct option among all the options that are given in the question is the first option or option "a".

Hope this helps!

7 0
3 years ago
Need help ASAP please and thank you
Helen [10]

Answer:

B

Step-by-step explanation:

4 is the outlier

7 0
4 years ago
If<br>f(x)=x^2+2x-4<br>and <br>g(x)=3x+1 <br>find <br>f(g(x))=__x^2+__x+__<br>​
Korvikt [17]

Step-by-step explanation:

f(x) = x² + 2x - 4

g(x) = 3x + 1

f(g(x)) = f(3x + 1)

f(3x + 1) = [3x + 1]² + 2[3x + 1] - 4

= 9x² + 6x + 1 + 6x + 2 - 4

= 9x² + 12x -1

7 0
3 years ago
A) (x + y + 4).(x + y –4)
miv72 [106K]

Answer:

if you want to factorise it answer will be : (x+y)^2 - 4^2

and if you have to expand it anwer will be x^2 + y^2 + 2xy -16

5 0
3 years ago
PQRST is a rectangular-based pyramid with a height of 9cm.
Diano4ka-milaya [45]

Answer:

54.1° (1 dp)

Step-by-step explanation:

Let the center point of the rectangle PQRS = M

Calculate the length of the line SM using Pythagoras' Theorem:

          a² + b² = c²

(11/2)² + (7/2)² = SM²

              42.5 = SM²

                SM = √42.5 cm

The height of the pyramid is 9 cm,  therefore, MT = 9

Now we have a right angled triangle with base SM and height MT and hypotenuse ST

We want to find the angle TSM, so we can use the trig formula tan x = O/A, where x is the angle, O is MT and A is SM

tan TSM = MT/SM = 9/√42.5

TSM = arctan (9/√42.5) = 54.082088°

So the angle between the line ST and the plane PQRS = 54.1° (1 dp)

3 0
2 years ago
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