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3 years ago

0.5m + 6.4 = 4.9 - 0.1m

Mathematics

1 answer:

BigorU [14]3 years ago

5 0

Solve for m by simplifying both sides of the equation, then isolating the variable.
m = -2.5

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The probability that a traffic light will be green is 40%. If you pass through 3 lights on your way to the store, what is the pr

larisa [96]

Answer:

0.216

Step-by-step explanation:

If the probability of green, P(green) is 40%, the probability of red, P(red) is 60%.

The probability of a light being red is not affected by the colour of the previous light, so at each of the 3 lights, the probability of red is always 60%.

To find the probability that all three lights will be red, multiply the three probabilities together. (Convert them to decimals first).

0.6 x 0.6 x 0.6 = 0.216

7 0

3 years ago

a machine can fill 650 bottles in 25 minutes. What is the unit rate at which the machine fills the bottles?

4vir4ik [10]

$unit\ rate=\frac{amount\ of\ bottle}{time}\\\\
unit\ rate=\frac{650}{25}=26\frac{bottle}{min}\\\\Unit\ rate\ is\ 26\ bottle\ per\ minute.$

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3 years ago

(03.01 LC)<br><br> What is the length of leg y of the right triangle? (1 point)

EastWind [94]

Answer:

Step-by-step explanation:

The complete question is

What is the length of leg y of the right triangle?

A right triangle with hypotenuse 26 and legs 24 and y

We need to use the Pythagorean Theorem, where $h=26$ and $x=24$ ,

$h^{2} =x^{2} +y^{2}\\ 26^{2}=24^{2}+y^{2}\\y=\sqrt{26^{2}-24^{2}}\\ y=\sqrt{676-576}\\ y=\sqrt{100}\\ y=10$

Therefore, the right answer is A. The length of the missing leg is 10 units.

4 0

3 years ago

How do you do the number line of this question why do we need to flip the inequality

Phantasy [73]

I don't see an inequality, but I can tell you that the sign of the inequality is flipped whenever you multiply or divide by a negative number.

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4 years ago

I need help please with step by step it would help me a lot

pav-90 [236]

Answer:

Domain: (-infinity, +infinity) since you can pick any x values.

Range: [0, +infinity) since it does not go below the x axis.

Step-by-step explanation:

The graph is a parabola given by $y=x^2$

lets pick a few x values:

x = 1 gives us y = 1^2, which = 1

x = -1 gives us y = (-1)^2, which = 1

The parabola's domain is any x value as it extends to infinity.

For its range, you can see that it does not go below the x axis at x = 0. Therefore, the range of the parabola is from [0, infinity]

4 0

3 years ago