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egoroff_w [7]
3 years ago
14

5(x - 4) +3x-9x = 6 - (2x+5) +8x

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
3 0

Answer: 2 5/7

Step-by-step explanation:

5(x-4) + 3x - 9x = 6 - (2x +5) + 8x

5x - 20 + 3x - 9x = 6 - 2x - 5 + 8x

-x - 20 = 6x - 1

-20 = 7x - 1

-19 = 7x

X = 2 and 5/7

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Determine the number of acute, obtuse, and right angles in the shape above <br>​
expeople1 [14]

Answer:

2 acute, 1 obtuse, 1 right

5 0
3 years ago
Help solve and graph "or" compound inequality x+1&lt;-3 or x-2&gt;0
balandron [24]
Solve each seperatly

x+1<-3
minus 1 both sides
x<-4

x-2<0
x<2

so

x<-4 or x<2
graph below

'or' means only one at a time can be true, where they intersect, we can't include those points
so since the solution set x<2 includes x<-4 in it,, the solution set is only -4<x<2

to graph it on a line, see below

4 0
3 years ago
The drama club sold 65 fewer adult tickets at $5 each than they did student tickets for $3 each. The total value of all the tick
dolphi86 [110]

Answer:

adults ticket sold= 60

student tickets =125

Step-by-step explanation:

So we need to make a system of equations. Lets say the variable a stands for adults tickets and the variable s stands for student tickets. Our first equation is going to be

s-a=65

that is because there are 65 more student tickets than adults.

the second equation is going to be

3s+5a=675

that is because the tickets will add up 675.

Now we have to make sure one of the variable cancels out when we add them together. So we have to multiply the first equation by 5.

5[s-a=65]

3s+5a=675

So then we end up with

5s-5a=325

3s-5a=675

We need to add them together and we end up with.

8s=1000

We need to divide by 8

s then equals 125.

So there are 125 students tickets.

We now plug 125 back into one of the equations. To make things easy lets to the first equation.

s-a=65

125-a=65

move the 125 over

-a=-60

multiply by a negative

a=60

So you have 60 adults tickets

4 0
3 years ago
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Serjik [45]

Answer:

Step-by-step explanation:

9. Abby has a tree that is 10 feet long. She cuts the length of the tree into tenth and then cuts the length of each of these 1/10 pieces into fourth. How many pieces does he have? How many feet long is each piece?

1 tree = 10 feet

10 feet ÷ 40 = 0.4 feet

So, each piece is 0.4 feet long.

Answer: 0.4

Step-by-step explanation:

Hope this helps :)

6 0
3 years ago
Please answer ASAP, its due today. Do show your work pleaseeeee, I just don't understand this question (It's in the attachment).
goldfiish [28.3K]

Answer:

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= 2500\pi

=7853.98 around  7854 inches

6 0
3 years ago
Read 2 more answers
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