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Art [367]
3 years ago
14

6x(8+10-12+15-20)= no recuerdo como se realiza, por favor darme un ejemplo.

Mathematics
2 answers:
san4es73 [151]3 years ago
7 0

Answer:

41

Step-by-step explanation:

6x8=48+10=58-12=46+15=61-20=41

Pachacha [2.7K]3 years ago
4 0

Solución:

Después de simplificar esta ecuación, el solución es 6 x 1 o 6.

Explicación:

Para encontrar la respuesta, debemos simplificar los términos entre paréntesis.

6 x (8 + 10 - 12 + 15 - 20)

6 x (18 - 12 + 15 - 20)

6 x (6 + 15 - 20)

6 x (21 - 20)

6 x (1)

Luego te quedas con 6 x 1, o 6.

You might be interested in
Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one sam
fomenos

Answer:

Advance tickets=$25

Same-day tickets=$15

Step-by-step explanation:

Complete question below:

Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is $ 40. For one performance, 25 advance tickets and 30 same-day tickets were sold. The total amount paid for the tickets was $1075 . What was the price of each kind of ticket?

Let

advance tickets=x

Same-day tickets=y

Combined cost of advance and same-day tickets=$40

It means,

x+y=40 Equ (1)

25 advance tickets and 30 same-day tickets=$1075

It means,

25x+30y=1075 Equ(2)

From (1)

x+y=40

x=40-y

Substitute x=40-y into (2)

25x+30y=1075

25(40-y)+30y=1075

1000-25y+30y=1075

5y=1075-1000

5y=75

Divide both sides by 5

5y/5=75/5

y=15

Recall,

x+y=40

x+15=40

x=40-15

=25

x=25

Advance tickets=$25

Same-day tickets=$15

Check

25x+30y=1075

25(25)+30(15)=1075

625+450=1075

1075=1075

3 0
3 years ago
Factorize (2u+3u)(u+v)-2u+3v​
Stolb23 [73]

Answer:

Step-by-step explanation:

(2u+3u)(u+v)-2u+3v

=2u(u+v)+3u(u+v)-2u+3v

=2u^2+2uv+3u^2+3uv-2u+3v

=5u^2+5uv-2u+3v

7 0
3 years ago
...................................................................
bogdanovich [222]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
Please help! Question above (+10 points)
cricket20 [7]

There are three answers and they are: choice 2, choice 3, choice 5

======================================================

Further Explanation:

Choice 1 is false because the intersection of the altitudes of a triangle leads to the orthocenter.

----

Choice 2 is true because the three medians of any triangle always intersect at the centroid. A median is a line that goes from one vertex to the midpoint of the opposite side. In this case, we go from point E to the midpoint of side CD. The midpoint of CD is found by bisecting segment CD (see choice 5)

----

Choice 3 is true. This is effectively the same as choice 5 below. The "perpendicular" aspect does not matter.

----

Choice 4 is false. Following the steps mentioned here will create an altitude line (see choice 1)

----

Choice 5 is true. To bisect something is to cut it in half. Let's say that point F is the midpoint of line segment CD. This means that line segment EF is one of the three medians of triangle CDE.

-------

edit update: I changed choice 3 from false to true

3 0
3 years ago
A diameter of a circle has endpoints P(-10,-2) and Q(4,6).
kompoz [17]

Answer:

a. (-3, 2).

b.  √65

c.  (x + 3)^2 + (y - 2)^2 = 65

Step-by-step explanation:

a.  The center is the midpoint  of the diameter PQ.

= (-10+4)/2, (-2+6)/2

= (-3, 2).

b. The radius is the distance from the center to a point on the circle.

Take the point (4, 6):

The radius = √((-3-4)^2 + (2-6)^2)

= √65.

c.  The equation of the circle is:

Using the standard form

(x - h)^2 + (y - k)^2 = r^2  where  (h, k) is the center and r = the radius:

it is (x - (-3)^2 + (y - 2) = 65

= (x + 3)^2 + (y - 2)^2 = 65.

4 0
3 years ago
Read 2 more answers
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