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3 years ago

A square ____ has a symmetry with respect to a line containing a median of the square

Mathematics

2 answers:

Alexeev081 [22]3 years ago

8 0

The answer is yes true a square does have a symmetry with respect to a line containing a median of the square.

Korolek [52]3 years ago

3 0

The answer is yes it is True.

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Factor completely

saul85 [17]

Answer:

c4-2401=0 because o is not a prime number

8 0

3 years ago

Can someone please help me with my algebra fraction homework pages 8,9 and 10. Thank you!

Alecsey [184]

Answer:

Step-by-step explanation:

#8 the answer is A

using special products, fact the denominator of both fractions

q^2+5q+6 is the same as (q+2)(q+3)

q^2+3q+2 is the same as (q+2)(q+1)

no you have to find the lease common denominator of the two fractions

multiply the first fraction by (q+1)/(q+1)

multiply the second fraction by (q+3)/(q+3)

you will get (q^2+2q+3)/(q+1)(q+2)(q+3) after you combine like terms and stuff like that.

#9 the answer is C

using special products factor the numerator of the first fraction, and the denominator of the second fraction

r^2+7r+10 is the same as (r+2)(r+5)

r^2-5r-50 is the same as (r-10)(r+5)

then factor the numerator if the second fraction

3r-30 is the same as 3(r-10)

is the second fraction there is (r-10) in the numerator and denominator, simplify that.

then simplify the 3, and the (r+5)

you will be left with r+2 from the first fraction

#10 the answer is A

when you divide same base exponents, you subtract their powers

x^0/x^2 = x^-2 and

y^-3/y^-1=y^=2

so you are left with x^-2*y^-2 but that is not an option

we also know that negative exponents is the same thing as the reciprocal with the exponent in the denominator

x^-1 = 1/x

x^-2*y^-2 = 1/x^2*y^2

6 0

3 years ago

Help it’s urgent please answer <br> All shown

ArbitrLikvidat [17]

Answer:

4. (Theater) 39%

5. (Bowling) 20%

6. (Pets) True, false, true

Hope this helps!

4 0

3 years ago

Read 2 more answers

A bacterial culture starts with 400 bacteria and grows at a rate proportional to its size. After 2 hours there will be 800 bacte

kotykmax [81]

Answer:

P(t) = 400×2^(t/2)
6400
5.0

Step-by-step explanation:

The wording "a rate proportional to its size" is an indication that growth (or decay) is exponential.

1) For many problems involving exponential growth, I like to use the numbers given in the problem statement as follows.

population = (initial population) × (growth factor)^(t/(growth period))

where the "growth period" is the period of time in which the population is multiplied by the "growth factor".

Here, we're given ...

(initial population) = 400

(growth factor) = 800/400 = 2

(growth period) = 2 . . . . hours

So, our population function can be written as ...

P(t) = 400×2^(t/2)

2) Putting t=8 into the formula, we get ...

P(8) = 400×2^(8/2) = 400×16 = 6400

After 8 hours, the population will be 6400.

3) Fill in the given number and solve for t.

2270 = 400×2^(t/2)

2270/400 = 2^(t/2)

Taking logs, we have ...

log(227/40) = (t/2)log(2)

t = 2×log(227/40)/log(2) ≈ 5.009

After 5.0 hours, the population will reach 2270.

7 0

4 years ago

Area of a rectangle is (6x25x + 2) sq. units.

nadya68 [22]

<h2><u><em>Answer: meters. </em></u></h2><h2><u><em> </em></u></h2><h2><u><em>Step-by-step explanation: Let L be the length of the rectangle. We have been given that the rectangle has an area of square meters and a width of meters. Since we know that area of a rectangle is the product of its length and width. To find the length of our given rectangle we will divide the area of the rectangle by the width of our rectangle. Let us factor out our numerator by splitting the middle term. Upon canceling out x-7 from numerator and denominator we will get, Therefore, the length of our rectangle will be metered.</em></u></h2>

3 0

3 years ago