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puteri [66]
3 years ago
9

Write the expression in factored form: m²-n²

Mathematics
2 answers:
gavmur [86]3 years ago
5 0
 difference of 2 squares

m^2 - n^2  = (m - n)(m + n)
mash [69]3 years ago
4 0
This expression is a difference of squares: x^2 - y^2 = (x + y)(x - y)

m^2 - n^2 = (m + n)(m - n)
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El jardinero de un parque planta flores siguiendo cierto patrón. En la primera fila planta 4 flores, en la segunda 7 y así suces
nevsk [136]

Answer:

a) Para i = 4, hay 13 flores en la fila 4.

b) Para i = 7, hay 22 flores en la fila 7.

c) La fila 11 tiene 34 flores.

Step-by-step explanation:

De acuerdo con el enunciado, cada fila tiene tres flores más que la fila inmediatamente anterior, significando que se puede determinar el número de flores de cada fila mediante una serie aritmética:

n = 4+3\cdot (i-1), i \ge 1 (1)

Donde:

i - Índice de la fila de flores.

n - Número de flores del índice de la fila de flores.

a) Para i = 4, hay 13 flores en la fila 4.

b) Para i = 7, hay 22 flores en la fila 7.

c) Si n = 34, entonces el índice de la fila es:

i=1+\frac{n-4}{3}

i = 11

La fila 11 tiene 34 flores.

6 0
3 years ago
A car travels at a speed of 55 kilometers per hour.Find the distance travelled by the car in 12 minutes and 30 seconds.Find the
never [62]

Answer:

Step-by-step explanation:

(distance) d = (speed) s * t (time)

                    = 55km/h * 12.30m/s

                    = 11.275 km

                    = 11.275 * 1000

                    = 11275m

4 0
3 years ago
is the following example true or false? if false give a counterexample. The sum of two rational numbers is always rational the s
Lina20 [59]

Answer:

two irrational numbers is always irrational

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Select all expressions shown that are equivalent to
Murrr4er [49]

Answer:

A.  and C.

if you simplify the expressions, you will see which ones are equal to the expression given

4 0
2 years ago
The first three terms of a sequence are given. Round to the nearest thousandth (if necessary).
zalisa [80]

Answer: 272

Step-by-step explanation:

Let a1=11

a2=20

a3=29

Formula for sequence=

an=a1+(n-1)d

an = nth term

a1= first term

n= nth position

d= common difference

We are looking for the 30th term,so our n=30

d= a2-a1

d= 20-11

d= 9

Using the formula

an= a1+(n-1)d

a30= 11+(30-1)9

a30= 11+(29)9

a30= 11+(29×9)

a30= 11+261

a30= 272

Therefore, the 30th term is 272

8 0
3 years ago
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