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Arlecino [84]
3 years ago
11

Which statement best describes the domain and range of f(x) = –(7)^x and g(x) = 7^x?

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
8 0

Answer:

Step-by-step explanation:it will be 8^(*)

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Can someone who knows geometry help me
Anuta_ua [19.1K]
3) . Ddraw the radius to the right side of the chord. So you formed a right triangleNow let's apply Pythagoras

3.6² + 5.5²= x² ==> x = 6.57 ≈ 6.6


4) same logic but the other leg = x/2 you will find
x² = 133/4 & x =5.766≈ 5.8


5) arc ab = arc de (1st proposition)



7 0
3 years ago
2 number cubes are rolled what is the probability that the sum if the numbers rolled is either a 4 or a 10
goldenfox [79]
With 2 cubes, there are 3 ways to roll a sum of 4... 1 and 3, 3 and 1, 2 and 2.
with 2 cubes, there are 3 ways to roll a sum of 10....6 and 4, 4 and 6, 5 and 5.

total possible outcomes = (6 * 6 ) = 36

probability of this happening is 6/36 reduces to 1/6
4 0
3 years ago
If matrix A has dimensions 3 x 2 and matrix B has dimensions 3 x 2, can matrix A and matrix B be multiplied?
Charra [1.4K]
Matrix A has 3 rows, 2 columns
Matrix B has 3 rows, 2 columns

The number of columns in matrix A (which is 2) does not match up with the number of rows in matrix B (which is 3). 

So the matrix multiplication A*B is undefined. We cannot multiply the matrices.
8 0
3 years ago
Read 2 more answers
Is this right 20 points!!!
Mars2501 [29]

Answer:

Brailniest

Step-by-step explanation:

0.25k+1.5-k-3.5

-0.75k-2

so you are right

5 0
3 years ago
Simplify the expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B-5%2Bi%7D%7B2i%7D" id="TexFormula1" title="\frac{-5+i}{2i}"
Fudgin [204]

Answer:

1/2 + 5/2 i

Step-by-step explanation:

(-5+i)         i

---------* --------

2i             i

cannot have i in the denominator so we multiply by i

(-5+i)         i             -5i + i^2

---------* --------  = ----------------

2i             i              +2i^2

remember i^2 = -1

     -5i + -1        -1 -5i

= ---------------- = ------------------

    +2(-1)                        -2

get rid of the negative in the denominator by multiplying the top and bottom by -1

    (-1 -5i) * -1

= ------------------

          -2*(-1)


    (1 +5i)

= ------------------   =   1/2 + 5/2 i

          2

6 0
3 years ago
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