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zloy xaker [14]
2 years ago
15

Please help I’ve been stuck on this for hours !!!

Mathematics
1 answer:
marta [7]2 years ago
3 0

Answer C

Step-by-step explanation:

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Solve : <br> 20-9x=11<br> 4(2x+1)=8<br> 5(2x+5)=-15<br> 3(8x+1)=-21
laila [671]
<span>20-9x=11
-9x=11-20
-9x= -9
x= -9/(-9)
x=1


4(2x+1)=8
2x+1=8/4
2x+1=2
2x=2-1
2x=1
x=1/2
x=0.5


5(2x+5)=-15
2x+5= -15/5
2x+5= -3
2x= -3-5
2x= -8
x= -8/2
x=-4

3(8x+1)=-21
8x+1= -21/3
8x+1= -7
8x= -7-1
8x =-8
x= -8/8
x= -1
</span>
4 0
3 years ago
I do not know how to solve this anyone please help me?
madreJ [45]

Answer:x>=-2

Step-by-step explanation:x is also equal to -2 as the dot is closed.

7 0
3 years ago
A BAG CONTAINS 10 RED BALLS AND FIVE BLUE BALLS WHAT IS TGE CHANCE OF PICKING A BLUE BALL.PLEASE EXPLAIN HOW TO SOLVE IT​
Nimfa-mama [501]

Answer:

5/15

Step-by-step explanation:

there are 15 balls altogether, 5 of which are blue meaning there is a 5/15 chance of picking a blue ball which as a percentage is 33.33% chance

4 0
3 years ago
Sin(x+4)=cos(4x-9)<br> How do you solve this?
goblinko [34]
You have to cancel out the variables and then you plug it into a calculator.
4 0
3 years ago
If the radius of a cylinder is 18 meters and its height is 7 meters, the volume of the cylinder is approximately 72 cuble meters
seropon [69]

Answer:

Volume = πr2h

= π×182×7

= 2268π

= 7125.1321383417 meters3

3 0
2 years ago
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