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iris [78.8K]
3 years ago
12

Evaluat the expression 202-[2(3+7)+6]=​

Mathematics
1 answer:
valina [46]3 years ago
6 0

You need to start calculating from the innermost bracket and if there are no signs to do any operation then you need to multiply

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What is the perimiter, in feet, of a square whose area is 121 square feet
Ainat [17]

Square needs to have all equal sides and length and width are the same.

So sqrt the area.

sqrt 121 = 11

11 feet is the length of one side, square has 4.

So

11 * 4 = 44

The perimeter of a square (whose area is 121 feet) is 44 feet.

5 0
3 years ago
3 cups 6oz + 2 cups 9oz
Liono4ka [1.6K]
1 cup is equal to 8 oz, so
3 cups x 8 = 24 oz.
you'll do the same for the two cups
2 x 8 = 16 oz
so adding them all together will be 
24 + 6 + 16 + 9 = 55 total oz.

4 0
3 years ago
Need help please and thank you
yulyashka [42]

Answer:

no thank you

Step-by-step explanation:

lol good day

6 0
2 years ago
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What is the cost of the bill if a drink costs $3, a meal costs $20, an appetizer costs $5.50 and a slice of cake cost $3. 75?​
skelet666 [1.2K]
32.25 is the cost of the bill
8 0
3 years ago
Let v be an eigenvector of a matrix A with a corresponding eigenvalue ?=2. Find one solution x of the system Ax=v.
Murljashka [212]

Answer with explanation:

For, a Matrix A , having eigenvector 'v' has eigenvalue =2

 The order of matrix is not given.

It has one eigenvalue it means it is of order , 1×1.

→A=[a]

Determinant [a-k I]=0, where k is eigenvalue of the given matrix.

It is given that,

k=2

For, k=2, the matrix [a-2 I] will become singular,that is

→ Determinant |a-2 I|=0

→I=[1]

→a=2

Let , v be the corresponding eigenvector of the given eigenvalue.

→[a-I] v=0

→[2-1] v=[0]

→[v]=[0]

→v=0

Now, corresponding eigenvector(v), when eigenvalue is 2 =0

 We have to find solution of the system

→Ax=v

→[2] x=0

→[2 x] =[0]

→x=0, is one solution of the system.

5 0
3 years ago
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