7-3: MathXL for School: Additional Practice

Mathematics

1 answer:

Rom4ik [11]2 years ago

8 0

Answer:

1- 7cm × 7 cm - 49 cm squ.

13cm × 13 cm -169. cm square

19×19-361 cm square

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Plz help me well mark brainliest if correct!!...

valina [46]

Answer:

You should stick with option D

4 0

2 years ago

Please help and get these points

Masja [62]

Answer:

y = 15x

Step-by-step explanation:

The biggest giveaway here is the other answers have<em> </em>+ a whole number at the end of the equation. We would see this + as a y-intercept on the graph.

Since our line had no y-intercept and starts from zero, y =15x can be used to represent the graph shown

Another way to know this is to look at the points marked on the line. There is a point at (2, 30). By plugging these co-ordinated into y = 15x we get 30 = 30, which makes sense

6 0

2 years ago

Read 2 more answers

A sphere rolls up an inclined plane of inclination angle 30 degree. At the bottom of the incline the center of mass of the spher

Zigmanuir [339]

Answer: The sphere is 0.002548 cm travel up the plane.

Step-by-step explanation:

Since we have given that

Inclination angle = 30°

Translational speed = 0.25 m/s

As we know that

$KE=0.5\times lw^2=PE$