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Lelechka [254]
3 years ago
5

What is the answer for 3,4,5,6 ?

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
5 0

3. 150

4. 11

5. 104%

6. 12

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In △ABC, D is a point on side AC¯¯¯¯¯¯¯¯ such that BD=DC and ∠BCD measures 70∘. What is the degree measure of ∠ADB?
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If angle BCD measures 70° then so does angle DBC (because you have formed an isoceles triangle inside the larger ΔABC and the two legs are equal so the two angles have to be equal.   So we have a two 70° angles which leaves 40° for the 3rd angle, which is ∠BDC.   

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Essentially, you're going to want to reverse the steps on x in order to isolate it from the rest of the variables. To do this, perform inverse operations on x. The first one of these is the multiplication of x and m, so divide both sides by m to cancel m out on the right side. Now we have y/m = x + b. The final thing to do in order to isolate x is to subtract b from both sides. This yields us y/m - b = x. This can be rearranged into x = y/m - b, which should be your answer.


6 0
3 years ago
Is x^2-1 a polynomial
77julia77 [94]

Answer:

Yes it's a binomial.

Step-by-step explanation:

A polynomial is an expression with more than one term that often has variables and exponents on the variable. Since this has two terms separated by a subtraction sign with one term being a variable to the exponent of 2 then this is a polynomial. It is called a binomial. More than 2 terms are referred exclusively as a polynomial with ___ terms.

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Marcia dissolved 1 kg of salt in 3 litres of water.
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Ipatiy [6.2K]

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Step-by-step explanation:

48 + 49 = 97. Therefore the 2 numbers are 48 and 49

5 0
3 years ago
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