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Nadusha1986 [10]
3 years ago
8

Which linear system of equations does the matrix represent M=[874] [205]

Mathematics
1 answer:
Finger [1]3 years ago
3 0

Answer:

This Matrix M=[874]

[205] represents a quadratic equation in one variable having two solution.

 For example

 Consider the Quadratic equation

 x^2 - 3 x + 2=0

⇒(x - 1)(x-2) =0

⇒( x- 1)=0  ∧  (x-2)=0

x=1  ∧ x=2

So we can write this solution in matrix as

[x] =[1]

       [2]

This is a quadratic equation in M .


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Find the length of the longest line segment that can be drawn on a rectangular board 3.07 m by 2.24 m.
Luden [163]

Step-by-step explanation:

For rectangle

l=3.07m

b=2.24m

so longest side that can be drawn is diagonal of rectangular board

=squareroot l^2+b^2

=squareroot3.07^2+2.24^2

=squareroot9.4249+5.0176

=squareroot14.4425

=3.80

So longest line that can be drawn in rectangular board is 3.80m

4 0
3 years ago
PLEASE HELP {It costs 5,700 every one sixth of an hour to build a hotel how many cents does building a hotel cost per second?}
Keith_Richards [23]
One sixth of an hour is 10 minutes.
That means it costs 5,700 every 10 minutes.

Costs 5,700 = 10 minutes

Dive 10 on both sides.

Costs 570 = 1 minute

Lets convert the minute into seconds.

Costs 570 = 60 seconds

Divide both sides by 60.

Costs 9.5 cents = 1 second

Round it off since you can't pay 9.5 cents.

Costs 10 cents = 1 second

This means that every second they pay 10 cents for the hotel. :D


8 0
3 years ago
48 is what percent of 120?
Nataliya [291]

Answer:

Step-by-step explanation:

57.6

8 0
2 years ago
Read 2 more answers
Joselyn is a manager at a sign-painting company. She has two painters, Allen and Brianne. Allen can complete a large project in
OverLord2011 [107]

Let area to be painted = X m²

Rate for Allen = X / 16 m² / h

Rate for Brianne = X / 18 m² / h


Combined rate

X/16 + X/18 m² / h

[ 18X + 16X ] / 144 m² / h

34 X / 144 m² / h


time = X / [ 34 X / 144 ] h

time = 144 / 34 h

time = 4 h 14 min


5 0
3 years ago
Kadeem is making two drawings of an oak leaf. The dimensions of the first drawing will be 1/3 the dimensions of the leaf. The di
babymother [125]

Answer: See explanation

Step-by-step explanation:

The dimensions of the first drawing will be 1/3 the dimensions of the leaf and the dimension of the oak leaf is 5 1/2 inches. Therefore, the dimensions of the 1st leaf:

= 1/3 × 5 1/2

= 1/3 × 11/2

= 11/6

= 1 5/6 inches

This is less than 5 1/2 inches

The dimensions of the second drawing will be 2 1/2 the dimensions of the leaf. This will be:

= 2 1/2 × 5 1/2

= 5/2 × 11/2

= 55/4

= 13 3/4 inches

Thus is greater than 5 1/2 inches

7 0
3 years ago
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