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2 years ago

How many centimeters in 3.7 kilometers?

Mathematics

1 answer:

lana66690 [7]2 years ago

5 0

Answer:

370,000 centimeters

Step-by-step explanation:

1. There are 1000 meters in a kilometer.

2. 3.7 kilometers x 1000 = 3,700 meters

3. There are 100 centimeters in a meter

4. 3,700 x 100 = 370,000 centimeters

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melisa1 [442]

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3 years ago

Which inequality is represented by the graph?

Taya2010 [7]

Answer:

Option B

Step-by-step explanation:

Notice that the region of the inequality is bounded by a line.

The first thing to do is find the equation of this line.

Note that the line intersects the x-axis at $x = 3.5$ and intercepts the y-axis at $y = -2.5$

We know that the equation of a line has the following form:

$y = mx + b$

Where m is the slope of the line and b is the intercept with the y axis.

So we already know that:

$b = -2.5 = -\frac{5}{2}$

Then we know that when $x = 3.5$ then $y = 0$

Thus:

$0 = 3.5m -2.5$

Ahroa we clear m.

$m = \frac{2.5}{3.5}\\\\m = \frac{5}{7}$

Then, the equation of the line is:

$y = \frac{5}{7}x -\frac{5}{2}$

We can also multiply by -2 both sides of the equation and we have:

$-2y = -\frac{10}{7}x +5$

Then:

$\frac{10}{7}x -2y =5$

The option that contains this equation is option B.

To verify it, enter a point within the shaded region, such as the point (0,0), in the selected inequality. If the inequality is satisfied then option B is correct

$\frac{10}{7}x -2y\leq5\\\\\frac{10}{7}(0) -2(0)\leq5\\\\0\leq5$

The inequality is satisfied because 0 is less than 5. Then the correct option is B

7 0

3 years ago

Given a linear equation in the form y = ax, if a > 0 then the greater the coefficient a

Leviafan [203]

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3 years ago

What is the length of the hypotenuse of the triangle when x = 9?

Jobisdone [24]

Answer:

$H = 53.30$

Step-by-step explanation:

Given

$Side\ 1 = 7x + 41$

$Side\ 2 = 5x$

Required

Determine side x

The hypotenuse (H) is calculated using:

$H^2 = Side\ 1^2 + Side\ 2^2$

$H^2 = (7x + 41)^2 + (5x)^2$

Substitute 9 for x:

$H^2 = (7*9 + 41)^2 + (5*9)^2$

$H^2 = 10816 + 2025$

$H^2 = 12841$

So:

$H = \sqrt {2841$

$H = 53.30$

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3 years ago

Select all that apply.

KATRIN_1 [288]

a and b are correct

c is wrong

d can't be decided, because it can be true for one case, but not for others.

so only go for a and b

6 0

3 years ago

Read 2 more answers

How many centimeters in 3.7 kilometers? ​

How many centimeters in 3.7 kilometers?