MATHEMATICS HIGH SCHOOL

Given: 3x < -6. Choose the solution set.

{x | x < -2}
{x | x > -2}
{x | x < 2}
{x | x > 2}

Answers

Answer 1
Answer: 3x\ \textless \ -6 :

Divide both sides by 3 :

(3x)/(3) = (-6)/(3)

x\ \textless \ -2

Answer A

{x | x < -2}

hope this helps!

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Sum of the angles of a polygon with 10 sides is -------​

Answers

Answer:

1440°

Step-by-step explanation:

Each exterior angle of a 10 sided regular polygon =360/10=36°  

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For the Christmas dance ,the dance committee needs three hours of music. Each song is an average of 3.5 minutes . how many song do they need

Answers

For the Christmas dance, they will need 51 songs.

What is average?

A number that is calculated by adding quantities together and then dividing the total by the number of quantities.

Given that, For the Christmas dance, the dance committee needs three hours of music. Each song is an average of 3.5 minutes.

Converting 3 hours into minutes,

1 hour = 60 minutes

3 hours = 60x3 = 180 minutes

Since, on song is of 3.5 minutes,

So, number of songs that will be played in 3 hours,

= 180/3.5

= 51.42

≈ 51

Hence, the party will have to play 51 songs.

For more references on average, click;

brainly.com/question/24057012

#SPJ2
an hour is 60 minutes

there are three hours so 
60*3=180

how many times will 3.5 go into 180 so 
180/3.5=51.43 or rounded up you get 52 songs (if they're good, they'll play 52 average songs and one half legnth songs)
so they will need 52 songs

Find the slope and y-intercept of the line
6x + 2y = –88

Answers

y=mx+b
6x+2y=-88
2y=-88-6x
y=-44-3x
y=-3x-44
m is the slope
b is the y-intercept

Solve the equation. Check for extraneous solutions.

Answers

assume
if |a|=b
a=b and -a=b

so

9|9-8x|=2x+3
divide both sides by 9
|9-8x|=2/9x+1/3
assume
9-8x=2/9x+1/3 and
-9+8x=2/9x+1/3


9-8x=2/9x+1/3
times 9 both sides
81-72x=2x+3
add 72x both sides
81=74x+3
minus 3
78=74x
divide both sides by 74
39/37=x

other one
-9+8x=2/9x+1/3
multiply both sides by 9
-81+72x=2x+3
minus 2x both sides
-81+70x=3
add 81 to both sides
70x=84
divide boh sides by 70
x=6/5


x=39/37 and 6/5
check

9|9-8(39/37)|=2(39/37)+3
2646/37=189/37
false

9|9-8(6/5)|=2(6/5)+3
351/5=27/5
false

no soltion evidently, weird

Pepe debía $27 y pidió a su mamá $50

Answers

Answer:

Si Pepe debía 27 y su mamá le presto y le va a sobrar es

50-27=23

Write an equivalent expression in factored for to x squared+3x+4x+12. and
x squared+7x+10

Answers

(x + 4)(x + 3)
x² + 3x + 4x + 12
x² + 7x + 12

x² + 7x + 10
x² + 2x + 5x + 10
(x + 5)(x + 2)
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