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STatiana [176]
3 years ago
8

What is the first step in solving the equation

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

1). add 16/25 to both sides

2). take the square root of both sides

Step-by-step explanation: just took it on edge2020

Varvara68 [4.7K]3 years ago
4 0

Answer:

First Step: separate x^2 from -16

Second Step: add -16/25 to the other side.

Step-by-step explanation:

x^2 - 16/25 = 0

^^ this might be easier if you separate x^2 and -16

<em>First Step-</em>

so rewrite the problem as x^2/25  -16/25 = 0

then...

<em>Second Step-</em>

add -16/25 to the other side. This makes it: x^2/25 = 16/25

<em>Continuation-</em>

Now, you can multiply 25 on both sides to cancel it out.

so you have x^2 = -16

Message me if you want to solve for x.

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Solve the missing side length
djverab [1.8K]

Answer:

9

Step-by-step explanation:

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7 0
3 years ago
the scale on a map is stated as 1 : 250000 2 villages are 9 m apart on the map how far from each other are the two villages in k
Sergio039 [100]

Answer:

2,250,000 km

Step-by-step explanation:

From the above question our scale is given as:

1 m : 250000km

We are trying to find the distance between two villages which is 9m apart in kilometers

Hence

1 m : 250000km

= 1 m = 250000km

9m = x km

Cross Multiply

x km = 9 × 250,000km

x km = 2,250,000 km

8 0
3 years ago
weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of 50. find the probabil
GalinKa [24]

Answer:

47.5%

Step-by-step explanation:

Find the z-scores:

z = (x − μ) / σ

z₁ = (300 − 400) / 50 = -2

z₂ = (400 − 400) / 50 = 0

300 is 2 standard deviations below the mean, and 400 is 0 standard deviations from the mean.

From the empirical rule, 95% of a normal distribution is between -2 and +2 standard deviations.  Since normal distributions are symmetrical, that means half of that is between -2 and 0 standard deviations.

95% / 2 = 47.5%

3 0
3 years ago
A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car? A. 100 k
Tems11 [23]
The answer is A

Hope dis helps
8 0
3 years ago
Read 2 more answers
A cube has its length doubled and its width and height remain the same. How does the new volume compare to the old volume?
Evgen [1.6K]

The new value will be double of the old volume.

Step-by-step explanation:

Let l be the length of cube

w be the width of the cube

and

h be the height of the cube

then the volume of cube is given by:

V = lwh

Now,

Doubling the the length, 2l

The new volume will be:

V_n = 2lwh\\V_n = 2(lwh)\\V_n = 2V

Hence,

The new value will be double of the old volume.

Keywords: Volume, area

Learn more about volume at:

  • brainly.com/question/6208262
  • brainly.com/question/6166224

#LearnwithBrainly

5 0
3 years ago
Read 2 more answers
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