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iren [92.7K]
2 years ago
14

What is the absolute value for 3.45?​

Mathematics
2 answers:
Lady bird [3.3K]2 years ago
8 0

Answer:

∣∣3.45∣∣=3.45

Step-by-step explanation:

Simora [160]2 years ago
4 0

Answer:

3.45 and -3.45

Step-by-step explanation:

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Mr.Atkinson has 5 lb of dry fish food. He will put an equal amount of food into 3
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Answer:

5 times 3 =15lb

Step-by-step explanation:

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3 years ago
WRITE THE equation THAT correctly represents the statement: 'After spending four- fifth of a certain amount of money, the money
Arte-miy333 [17]

Answer:

\frac{4}{5} x = 25 +  \frac{3}{10} x

Step-by-step explanation:

four-fifth means 4/5 .

we let the amount of the money to be x.

so four-fifth of money =4/5 of x.

twenty Five more than three tenth of the initial amount means 25+3/4 of x.

the equation becomes

\frac{4}{5} x = 25 +  \frac{3}{10} x

4 0
3 years ago
7 liters of gasoline between their 4 cars. How many liters of gasoline should each car get?
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1.75 liters for each car.

Step-by-step explanation:

Divide:

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4 0
3 years ago
Read 2 more answers
A ladder 10 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 0.8 ft/s,
shusha [124]

Answer:

-0.133 radians/s is the angle between the ladder and the ground changing when the bottom of the ladder is 8 ft from the wall.

Step-by-step explanation:

Let

x= distance between the wall and ladder

Ф = angle between the ladder and ground

The rate of change is: dx/dt = 0.8 ft/s

We need to find dФ/dt when x = 8 ft/s

From the triangle in the figure we see that:

cos Ф = x/10

=> x = 10 cosФ

Now, the rate of change will be

d(x)/dt = d/dt (10cosФ)

dx/dt = -10 sin Ф dФ/dt

dx/dt = 0.8 (given)

to find dФ/dt

we need to find sin Ф when x = 8

By Pythagoras theorem

(hypotenuse)^2 = (Perpendicular)^2+(base)^2

(10)^2 = (8)^2+ (Perpendicular)^2

100 = 64 +  (Perpendicular)^2

=>  (Perpendicular)^2 = 100-64

(Perpendicular)^2 = 36

Perpendicular = 6

sin Ф = Perpendicular/hypotenuse

sin Ф = 6/10 = 3/5

Putting values in:

dx/dt = -10 sin Ф dФ/dt

0.8 = -10(3/5) dФ/dt

0.8 = -6 dФ/dt

=> dФ/dt = 0.8 / -6

dФ/dt = - 0.133 radians/s

So, -0.133 radians/s is the angle between the ladder and the ground changing when the bottom of the ladder is 8 ft from the wall.

3 0
3 years ago
Help me pleaseeeeeee
babunello [35]
What is the question?

4 0
2 years ago
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