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Firdavs [7]
3 years ago
9

1x1 for 20 points... lol

Mathematics
2 answers:
sp2606 [1]3 years ago
8 0

Answer:

1

Step-by-step explanation:

1 multiplied by 1 gives an answer of 1

You can check this using a calculator

klasskru [66]3 years ago
4 0

Answer:

1

Step-by-step explanation:

1x1=1

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In apirl is rained 1/4 of a inch on 15 diffret day how many inches of rain fell
Ne4ueva [31]

In 15 diffret days 15/4 inches of rain fell in April month if every day rained 1/4 of a inch .

How to find the rain fell in 15 diffret days ?

We know that rain in every day is 1/4 of a inch

So for 15 days

1/4+1/4+1/4+......15times\\=15/4

So in 15 diffret days in April rain fell is 15/4 inches.

Learn more about the rain fall is here :

brainly.com/question/28049911

#SPJ4

8 0
1 year ago
I dont the know the answer to c-d=b for c
Vinvika [58]
C-d=b add to both sides d and will get 

c-d+d=b+d

c=b+d

hope helped 
4 0
3 years ago
Require help with this question
user100 [1]
A) There are a number of ways to compute the determinant of a 3x3 matrix. Since k is on the bottom row, it is convenient to compute the cofactors of the numbers on the bottom row. Then the determinant is ...
  1×(2×-1 -3×1) -k×(3×-1 -2×1) +2×(3×3 -2×2) = 5 -5k

bi) Π₁ can be written using r = (x, y, z).
  Π₁ ⇒ 3x +2y +z = 4

bii) The cross product of the coefficients of λ and μ will give the normal to the plane. The dot-product of that with the constant vector will give the desired constant.
  Π₂ ⇒ ((1, 0, 2)×(1, -1, -1))•(x, y, z) = ((1, 0, 2)×(1, -1, -1))•(1, 2, 3)
  Π₂ ⇒ 2x +3y -z = 5

c) If the three planes form a sheath, the ranks of their coefficient matrix and that of the augmented matrix must be 2. That is, the determinant must be zero. The value of k that makes the determinant zero is found in part (a) to be -1.

A common approach to determining the rank of a matrix is to reduce it to row echelon form. Then the number of independent rows becomes obvious. (It is the number of non-zero rows.) This form for k=-1 is shown in the picture.

5 0
3 years ago
What is the solution set of 2 x(x-1) =3?​
Llana [10]

Answer: x=3

Step-by-step explanation:

5 0
3 years ago
3(7+x to the power of two);x=2
JulijaS [17]

Answer:

33

Step-by-step explanation:

3(7+x^{2}); x=2

=3(7+2^{2})

=3(7+4)

= 33

5 0
2 years ago
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