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Leni [432]
3 years ago
12

Solve equation -4a/5-8=2

Mathematics
2 answers:
makkiz [27]3 years ago
6 0
Add 8 to both sides
-4a /5= 10
Multiply both sides by 5
-4a= 50
A= - 12.5
vitfil [10]3 years ago
6 0

Answer:

a = 3/2

Step-by-step explanation:

Multiply both sides by -3

Simplify

Divide both sides by -4

Take a look at the photo:

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PLEASE IM BEGGING YOU<br> HELPPPP<br><br> does the equation go up to down? y=8x^2+7x-2
mart [117]

Answer:

Opens upward

Step-by-step explanation:

Since the coefficient of x^{2} is a positive number +8, then it is a parabola that opens upward

5 0
3 years ago
Read 2 more answers
A water tank already contains 55 gallons of water when Baxter begins to fill it. There is a crack in the tank and water begins t
STALIN [3.7K]

Answer:

Step-by-step explanation:

Therefore, the volume of the water in the tank 25 minutes after Baxter begins filling the tank is 255 gallons.

Step-by-step explanation:

Linear Equation; Ax+By=C

A linear equation to model this situation:

8x + 55 = C

Where;

8 is for the rate of gallons.

'X' is the minutes.

55 is the gallons of water the tank already contained.

8(25) + 55 = 255

Where;

8 is for the rate of gallons.

25 is the minutes.

55 is the gallons of water the tank already contained.

8 0
3 years ago
An astronaut standing on a platform on the moon drops a hammer. The hammer falls 6m vertically in 2.7seconds. What is accelerati
Fantom [35]
6m Divided by 2.7 Seconds 
6/2.7=<span>2.22222222222
 2.22222222 Meters per second is end velocity
the change in velocity is Start velocity (0m/s) - end velocity (2.222222222m/s)
So the Change in velocity is 2.222222222m/s
To find acceleration it is Change in velocity (2.2222222m/s)/Time (2.7m/s)
2.222222222222/2.7=</span><span>0.82304526749
acceleration=</span><span>0.82304526749 Meters per second Squared
This also would make sense as we already know acceleration is less on the moon.
Answer=</span>0.82304526749m/s ²<span> </span>
7 0
4 years ago
There are 15 students going on a field trip. If 3/5 of them pack their lunches, how many students pack their lunches?
IrinaVladis [17]

Answer:

9 students packed their lunches

8 0
3 years ago
Easy question!(exponents) Plz help!
NeTakaya
X=-2/5

Steps:
6^x/3 +2 = 6^-14x/3
x/3+2 = -14x/3.
x +6 = -14x (multiply both sides by 3)
x = -14x - 6 (Substract 6 from both sides)
x + 14x = -6 (add 14x to both sides)
15x = -6 (collect like terms)
x = -2/5 (divide both sides by 15)

4 0
3 years ago
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