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TiliK225 [7]
3 years ago
5

How can you get the variable alone in the equation x ÷ 9 = 279?

Mathematics
1 answer:
labwork [276]3 years ago
5 0
D

Because to cancel out division you use multiplication
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How to solve 38.7×10 to the fourth power
Sergeu [11.5K]

Answer: 3.87 * 10^5, or 387000

Step-by-step explanation:

Move the decimal to the left and increase the power.

If you want to have it expanded, move the decimal point to the right 4 times of the original to get 387000.

7 0
4 years ago
Direction: Answer the following problem sets. Please include what is the given, asked, formula, solution and final answer with u
olga2289 [7]

Answer:

7.5s

1.6666 repeating or 1.67 m/s²

Step-by-step explanation:

the equation you have to use is Vfinal=Vstart+acceleration•time

(I'm gonna simplify to Vf=Vs+at)

so you gotta rework it for the two equations

for the first equation you need time so take Vf=Vs+at and subtract Vs on both sides to get Vf–Vs=at

then divide acceleration on both sides to get t=(Vf–Vs)/a

for the second problem equation need the equation a=(Vf–Vs)/t (just divide time on both sides instead of acceleration)

so you the plug in

(I don't put the units in to the problem unless needed)

1. t=(Vf–Vs)/a to t=(0–30)/-4.0

t= -30/-4.0

t=7.5 seconds

2. a=(Vf–Vs)/t to a=(10–0)/6.0

a= 10/6.0

a= 1.67m/s²

(I'm assuming the that for number two they started at rest so it would be 0m/s for velocity start)

8 0
3 years ago
Find the equation using the y=mx+c method
lesya [120]

Answer:

<h2>y=2x+0 (y=2x)</h2>

Step-by-step explanation:

so we know that y=mx+c

c is the point where the line crosses the y-axis

y=mx+0

m is the gradient

the gradient is rise/run

pick any two points

so it is 2/1

2/1 is 2

therefore it is

y=2x+0

3 0
3 years ago
How much will the toll be after the increase
borishaifa [10]

130% = 1.30

multiply 2.50 x 1.30

2.50 x 1.30 = 3.25

 the new toll is 3.25

3 0
4 years ago
Shannon wants to calculate her property tax. The market value of the property is $85,000. The assessment rate is 41%. The proper
Ronch [10]
Given:
Market VAlue = 85,000
Assessed value = 41%
property tax rate is 46.30 per 1,000 of assessed value.

85,000 * 41% = 34,850
34,850 / 1000 = 34.85
34.85 * 46.30 = 1,614.56

The property tax to be paid is $1,614.56
6 0
3 years ago
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