PLEASEEE HELP I WILL GOVE BRAINLIEST! Plus 10 points

Mathematics

2 answers:

Marina86 [1]3 years ago

7 0

Answer:

4.6

Step-by-step explanation:

Natalija [7]3 years ago

4 0

Answer:

3 calories

Step-by-step explanation: 100%-40%=60% .6*5=3 calories

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Please help me with this answer

JulsSmile [24]

9514 1404 393

Answer:

x = 12
∠H = 94°

Step-by-step explanation:

The marked angles are supplementary, so ...

(5x +26)° +(8x -2)° = 180°

13x = 156 . . . . . . . . . . . . . . divide by °, subtract 24

x = 12 . . . . . . . . . . . divide by 13

∠H = (8x -2)° = (8·12 -2)°

∠H = 94°

4 0

3 years ago

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP PLS PLS HELP ASAP THANKS

Ipatiy [6.2K]

Answer:

I believe the answer is B. 15/5 = n/12

Step-by-step explanation:

Once again same method as I've explained before. However, this one tricked me a little bit and still is because of the appearance of the smaller triangle. However, If I don't focus on that I believe this answer is correct. This is because in order to find the missing side we need to find the factor of which the triangle was expanded. So we must divide a given side of the bigger triangle by the same similar side of the little triangle, like 15/5. Then we must divide n by its similar side which the appearance made me think 13 which is not an option so I believe it is 12 and it was just trying to throw me off. So n/12. Therefore that is why I believe B is correct.

7 0

2 years ago

Dilate ABC below using A as the center and a scale factor of 2. Leave all construction marks?

irina1246 [14]

<h3>Answer: Check out the diagram below.</h3>

Explanation:

Use your straightedge to extend segment AB into ray AB. This means you'll have it start at A and go on forever through B. Repeat these steps to turn segment AC into ray AC.

The two rays join at the vertex angle A. Point A is the center of the universe so to speak because it's the center of dilation. We consider it an invariant point that doesn't move. Everything else will move. In this case, everything will move twice as much compared to as before.

Use your compass to measure the width of AB. We don't need the actual number. We just need the compass to be as wide from A to B. Keep your compass at this width and move the non-pencil part to point B. Then mark a small arc along ray AB. What we've just done is constructed a congruent copy of segment AB. In other words, we've just double AB into AB'. This means the arc marking places point B' as the diagram indicates.

The same set of steps will have us construct point C' as well. AC doubles to AC'

Once we determine the locations of B' and C', we can then form triangle A'B'C' which is an enlarged copy of triangle ABC. Each side of the larger triangle has side lengths twice as long.

Note: Points A and A' occupy the same exact location. As mentioned earlier, point A doesn't move.