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Mathematics

2 answers:

12345 [234]3 years ago

5 0

F. 0.3 centimeters per hour

rewona [7]3 years ago

4 0

Answer: 0.3 cm

Step-by-step explanation:

it would be 1.5 cm divided by 5h

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Please help me thank you. <br><br> show all work.

seraphim [82]

The length of OM is 4/3 the length of OJ, and the length of ON is 4/3 the length of OK. Thus, two pairs of sides from the triangles are proportional to each other.

Also, angle O from one of the triangles is equal to angle O of the other triangle because they are the same angle.

Thus, the two triangles are similar by SAS (side-angle-side) similarity theorem. This theorem is quite similar to the SAS congruence theorem.

To make a similarity statement, we just have to match corresponding parts when naming the triangle.

Similarity statement: ΔOJK~ΔOMN

3 0

3 years ago

Lines s and t are perpendicular. If the slope of line s is 5, what is the slope of line t

Pavel [41]

Slope of line t is -1/5

If two lines are perpendicular, the product of their slopes is -1

8 0

3 years ago

Andrea has some money. Her brother gives her 7 coins worth 23 cents and now she has 73 cents. If she started with 5 coins, what

Nat2105 [25]

Andrea had 5 coins worth 50 cents ! And , thereafter her brother gave her 7 coins worth 23 cents .

<u>Step-by-step explanation:</u>

Here we have , Andrea has some money. Her brother gives her 7 coins worth 23 cents and now she has 73 cents. If she started with 5 coins, We need to find what coins did Andrea's brother give her and what coins did Andrea start with. Let's find out:

Andrea has some money , and her brother gives her 7 coins ! worth 23 cents . So , 1 coin worth is :

⇒ $\frac{23}{7}$