2 years ago

Me ajudem 1- a) 5 ( x – 1) = 30 b) 3 (x + 10 ) – 2 ( x – 5 ) = 0

Mathematics

1 answer:

denis23 [38]2 years ago

6 0

Answer:

a)7, b)-40

Step-by-step explanation:

a) 5(x-1)=30

=>5x -5=30

=>5x=30+5

=>5x=35

=>x=35/5

so, x=7

b)3(x+10)-2(x-5)=0

=>3x+30-2x+10=0

=>x+40=0

so,x=-40

You might be interested in

What is the mean of this data?<br><br> 12, 18, 11, 25, 38, 22

yanalaym [24]

Your answer is 21 for this one.

3 0

2 years ago

Im going to give 15 points for this question please answer it

Gnom [1K]

I know, you have to divide 90 by what ever the length is, then you have to figure out where the points are. So it should be.... D!!!

8 0

3 years ago

There are 16 girls in a school club. The number of girls is four more than twice the number of boys. Find the number of boys

lisabon 2012 [21]

16-4=12/2=6 so there’s like 6 bois

4 0

2 years ago

Urgent please help..

Alexxx [7]

Answer:

x ≈ 13.5

Step-by-step explanation:

Using the sine rule in the triangle, then

$\frac{sin34}{x}$ = $\frac{sin27}{11}$ ( cross- multiply )

x × sin27° = 11 × sin34° ( divide both sides by sin27° )

x = $\frac{11sin34}{sin27}$ ≈ 13.5 ( to the nearest tenth )

5 0

2 years ago

At yesterdays ball game, 2,842 tickets were sold. The price of each ticket was $7.50. Which amount is closest to the total amoun

Margarita [4]

Answer:

C. $20,000

Step-by-step explanation:

2,824*$7.50=$21,315

6 0

2 years ago

Read 2 more answers