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makkiz [27]
3 years ago
6

Evaluate 5Y -8 when Y equals five

Mathematics
2 answers:
defon3 years ago
7 0
The answer is 17 because 5 times 5 is 25. 25 minus 8 is 17.
Bond [772]3 years ago
6 0

Answer:

17?

Step-by-step explanation:

I think it is this because 5 x 5 is 25 then minus 8 is 17? not sure if that's what you mean...

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Quadrilateral PQRS is circumscribed about a circle. Line PQ is tangent to the circle at A, line QR at B, line RS at C, and line
yuradex [85]
The sum of the angles of a quadrilateral is 360 degrees.  So P+Q+R is 206, 360 - 206 = 154 degrees, the measure of angle S.

The four triangles, AQB, BRC, CSD, and DPA are all isosceles.  So angle QBA = angle BAQ, etc.  We find QBA = (180-24)/2 or 78 degrees.

RBC = (180-114)/2 = 33 degrees.

180 - (78 + 33) is the measure of angle B:  69 degrees.

The student should be able to see how to calculate the missing information from this.
6 0
3 years ago
If alvin sold 60% of his baseball cards, gave away 30% of those that were left, and still had 40 baseball cards in his possessio
kipiarov [429]

Answer:

The number of baseball card to begin with is 143

Step-by-step explanation:

Let The number of baseball cards = x

The number of sold baseball card = 60% of x

                                                         = 0.6 x

The number of left baseball card = x - 0.6 x = 0.4 x

The number of card gave away = 30 % of left cards

                                                     = 0.3 × 0.4 x = 0.12 x

The number of card left in his possession = 40

So, 0.6 x + 0.12 x + 40 = x

Or,  40 = x - 0.6 x - 0.12 x

Or,  40 = 0.28 x

∴   x = \frac{40}{0.28}  =  142.85 ≈ 143

Hence The number of baseball card to begin with is 143  Answer

3 0
3 years ago
Factor the polynomials 2x4+4x3+6x2?
Shalnov [3]

Answer:x^2+2x+3

Step-by-step explanation:

I’m assuming you meant 2x^4+4x^3+6x^2...

So you can pull out 2x^2 from all of the polynomials...

And this equation isn’t able to be simplified anymore. Hope this helps!

5 0
3 years ago
What is the simplified form of 2 times 10 squared to the second power in standard notation?
Semmy [17]
<span>2 times 10 squared to the second power in standard notation

2 x(10^2)^2
=2x10^4
=20000</span>
4 0
3 years ago
Read 2 more answers
What is the fifth term in the sequence defined by f(n)=3(n-3)
Sholpan [36]
The answer is n= 3.

Hope this helps.
8 0
3 years ago
Read 2 more answers
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