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frozen [14]
3 years ago
9

-4(x + 2.1) + 3x = 8.4 what is x

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

x= −16.8

Step-by-step explanation:

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State the name of the property illustrated. (x + 7) + [-(x + 7)] = 0
Vadim26 [7]

Answer:

addittional property

Step-by-step explanation:

3 0
3 years ago
Please help <br> answer choices:<br> A:0.125<br> B:0.20<br> C:0.80<br> D:1.0
Korolek [52]

9514 1404 393

Answer:

  B:  0.20

Step-by-step explanation:

Green was selected 8 of the 40 times. We expect its probability of selection to be about ...

  8/40 = 1/5 = 0.20 . . . p(green)

3 0
3 years ago
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A rectangular prism has a length of 3 1/2 inches a width of 5 inches height of 1 1/2 inches what is the volume for the prism?
IgorLugansk [536]

Answer:

Thanks for asking!

Step-by-step explanation:

The volume of the prisim is 26.25

8 0
3 years ago
Which graph shows y= (-5x) -4?
Leya [2.2K]

Answer:

Graph A

Step-by-step explanation

I look at the y-intercept first, and the y-intercept is -4, so looking at each graph you can see both A and D have y-intercepts of -4, since the line intercepts, or goes through the y-axis (the vertical line of the graph) at -4.

Then, you look at the variable that's changing, which is -5x. Since it's a negative, A is the graph that is negatively decreasing, because of its position on the graph. The line is going down, starting in the negative side.

6 0
3 years ago
If the radius of a circle is 5 centimeters, how long is the arc subtended by an angle measuring 60°? A) 3 5 π cm B) 5 2 π cm C)
devlian [24]

Answer:

The length of the arc is \frac{5\pi}{3} centimeters.

Step-by-step explanation:

The length of an arc (\Delta s) with a given central angle is determined by the following expression:

\Delta s = \frac{\theta}{360^{\circ}}\cdot 2\pi\cdot r

Where:

r - Radius, measured in centimeters.

\theta - Central angle, measured in sexagesimal degrees.

Given that r = 5\,cm and \theta = 60^{\circ}, then:

\Delta s = \frac{60^{\circ}}{360^{\circ}} \times 2\pi \times 5\,cm

\Delta s = \frac{5\pi}{3}\,cm

The length of the arc is \frac{5\pi}{3} centimeters.

4 0
3 years ago
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