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OleMash [197]
3 years ago
6

Five less than the area of a square is 59 square feet. Find the side length of the square.​

Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0

Answer:

4 feet

Step-by-step explanation:

Let the side length of the square be x feet.

x^2 - 5 = 59

x^2 = 64

x = ±4 (reject - 4 since length > 0)

Topic: Areas of polygons

If you would like to venture further, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

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Math question plz help
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Answer:

Yes they are.

Because:

As said in the rules you have to keep the bases and add the exponents.

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3 years ago
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X2+7x=-8 identity c of the following quadratic equation
malfutka [58]

Answer:

(x-7). (x-1) this is this

8 0
3 years ago
What is -6x+4=-50 and 5x+6=-44 also -3(7+6x)=-201 please solve these equations and show work
grandymaker [24]
Remember you can do anyting to an equation as long as ou do it to both sides



-6x+4=-50
minus 4 both sides
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divide both sides by -6
x=9



5x+6=-44
minus 6 both sides
5x=-50
divide both sides by 5
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-3(7+6x)=-201
normally you would distribute (that works) but it's easier to divide both sides by -3
7+6x=67
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6 0
3 years ago
For this exercise assume that all matrices are ntimesn. Each part of this exercise is an implication of the form​ "If "statement
inna [77]

Answer:

C. True; by the Invertible Matrix Theorem if the equation Ax=0 has only the trivial solution, then the matrix is invertible. Thus, A must also be row equivalent to the n x n identity matrix.

Step-by-step explanation:

The Invertible matrix Theorem is a Theorem which gives a list of equivalent conditions for an n X n matrix to have an inverse. For the sake of this question, we would look at only the conditions needed to answer the question.

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  • There is an n×n matrix D such that AD=I_n.
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  • For each column vector b in R^n, the equation Ax=b has a unique solution.
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Therefore the statement:

If there is an n X n matrix D such that AD=​I, then there is also an n X n matrix C such that CA = I is true by the conditions for invertibility of matrix:

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The correct option is C.

5 0
3 years ago
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Verdich [7]

Answer:

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Step-by-step explanation:

s + 24 = 90

90 = s + 24

90 - 24 = s

66 = s

7 0
3 years ago
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