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bonufazy [111]
3 years ago
15

Pls help will give brainliest and 5star plss helpp

Mathematics
1 answer:
denpristay [2]3 years ago
6 0

Answer:

Yes, they are congruent

Step-by-step explanation:

Two figures are congruent if they have the same side lengths and the same angles, all in the same order. (I mean "same order" by you couldn't have a rectangle and a kite with different orders of the sides being congruent). Now, if we use this, we can compare the sides and angles to find out that they are indeed congruent.

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Is this the correct answer?
garik1379 [7]

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Yes!

Step-by-step explanatio:

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3 years ago
The half-life of a radioactive kind of ruthenium is 40 days. If you start with 240 grams of it,
Vlad [161]

Answer: 30g

Step-by-step explanation:

In this question (t½) of isotope is 40 days, which means that after 40 days half of the sample would have decayed and half would be left as it is.

After 40 days ( first half life) 240 /2 = 120 g decays and 120 g remains left.

After another 40 days ( two half lives or 80 days) 120 /2 = 60 g decays and 60 g remains left .

after three half lives or 120 days, 60/2 = 30g decay and 30 g of the isotope will be left.

4 0
4 years ago
Find an equation for the line below.<br><br><br> will give brainiest
pogonyaev

Answer: y=-\frac{x}{2}-6.5

Step-by-step explanation:

First find slope m. From observing the equation we can see that there are two points on the line. They are (-5,-4) and (-1,-6). Using the formula to find slope rise/run we get m = -0.5.

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8 0
3 years ago
.A student earned 75 out of 100 in Col110 quiz for the first time, then she earned 85 out of 100 in the second time for the same
saveliy_v [14]

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Step-by-step explanation:

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3 years ago
Some traffic signs are in the shape of polygons. A stop sign is in the shape of which polygon?
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Step-by-step explanation:

4 0
3 years ago
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