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tatuchka [14]
3 years ago
15

What is the missing reasons in the proof?

Mathematics
2 answers:
serious [3.7K]3 years ago
8 0

answer:

substituion property or transitive property

step-by-step explanation:

  • we already knew that <ABC was 90 degrees, therefore all we had to do was substitute, therefore transitive property
djverab [1.8K]3 years ago
5 0
Substitution the problem
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1.5r – 3r + 8r + 2.5r​
Svetllana [295]

Answer:

9r

Step-by-step explanation:

5 0
3 years ago
2/7&gt; b+5/7 what is “B”
Masteriza [31]

Answer:

-3/7 > b

Step-by-step explanation:

2/7> b+5/7

Subtract 5/7 from each side

2/7-5/7> b+5/7-5/7

-3/7 > b

7 0
3 years ago
Please help me someone
kap26 [50]

<u>Answer:</u>

The correct answer option is D. He multiplied the divisor by 100 and dividend by 10.

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

We are given that Miguel completed the division where initially he had to divide 754 by 0.52.

To make it easier, he multiplied both the divisor and the dividend by the same number to get rid of the decimal in the divisor.

If he multiplied the divisor by 100, he should have multiplied the dividend by 100 too. But instead, he mistakenly multiplied the divisor by 100 and dividend by 10.

5 0
3 years ago
The rate at which a duck gains weight is proportional to the difference between its adult weight and its current weight. At time
kogti [31]
DB/dt = 1/5(100 - B)
5/(100 - B) dB = dt
-5 ln (100 - B) = t + C
Since B(0) = 20, then
-5 ln (100 - 20) = C
i.e. C = -5 ln 80

Thus -5 ln (100 - B) = t - 5 ln 80
or t = 5 ln 80 - 5 ln (100 - B) = 5 ln (80 / (100 - B))

When the weight = 40 grams
t = 5 In (80 / 100 - 40) = 5 In (80 / 60) = 5 ln (4/3) = 1.438 days
Rate of weight gain = 40 / 1.438 = 27.8 grams per day

When the weight = 70 grams
t = 5 ln (80 / 100 - 70) = 5 ln (80 / 30) = 5 ln (8/3) = 4.9 days
Rate of weight gain = 70/4.9 = 14.27 grams per day.

Therefore, the duck gains weight faster when it weighs 40 grams.
6 0
3 years ago
Translate this phrase into an algebraic expression.
pychu [463]

Answer:

14+2c where c is carlos's score

Step-by-step explanation:

6 0
2 years ago
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