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Valentin [98]
2 years ago
6

How many 2 digit combos can you make with numbers 1, 2, and 3?

Mathematics
1 answer:
mariarad [96]2 years ago
6 0

Answer:

9 i believe

Step-by-step explanation:

11

12

13

21

22

23

31

32

33

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Is the equation parallel perpendicular or neither ?<br><br> y = 5/4 x+1 and y = 5/4 x-7
weeeeeb [17]

Answer:

Parallel

Step-by-step explanation:

The equation of a line in slope - intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Both given equations are in this form, that is

y = \frac{5}{4} x + 1 → m = \frac{5}{4}

y = \frac{5}{4} x - 7 → m = \frac{5}{4}

Parallel lines have equal slopes thus the lines are parallel

4 0
3 years ago
Factor this trinomial 4x^2-6x-10 If you can please try to show me how to do it.
lilavasa [31]

Answer:

=2(2x-5)(x+1)

Step-by-step explanation:

So we have the trinomial:

4x^2-6x-10

First, factor out a 2:

=2(2x^2-3x-5)

Now, factor within the parentheses.

To do so, we want to find two numbers. When multiplied, these two numbers must equal (a)(c) and when added, they must equal b

(a)(c) is 2(-5) or -10 and b is -3. So, we want two numbers that when multiplied together gives -10 and when added gives -3.

-5 and 2 works. Therefore:

=2(2x^2-3x-5)

Replace -3x with 2x and -5x:

=2(2x^2+2x-5x-5)

Factor out a 2x for the first two terms. And factor out a negative 5 for the remaining two:

=2(2x(x+1)-5(x+1))

Grouping:

=2(2x-5)(x+1)

And we're done!

8 0
3 years ago
Please help me and don't put sum bs answer or a link
Liono4ka [1.6K]

Answer:

Both X and Y are equal to 15 multiply by the square root of 2.....(i just do not know how to type the symbol on my keyboard)

Step-by-step explanation:

So for X:

X=30 sin 45

=15 multiply by the square root of 2

For Y:

Y=30 cos 45

=15 multiply by the square root of 2

But you could also use theorem of Pythagoras

8 0
3 years ago
Mrs. McAlister wrote the equation 10 t minus 4 t + 3 t = 8 on the board and asked students to write an equivalent equation. The
tia_tia [17]
10t - 4t + 3t = 8
13t - 4t = 8 (will do addition first)
9t = 8
So, Tanisha’s equation will be equivalent
As Tanisha’s equation is :
9t = 8
4 0
3 years ago
Please! It's due in 20mins!
lesantik [10]
I think it’s y = 1x + 13.
8 0
3 years ago
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