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Reika [66]
3 years ago
15

Need help with these two questions

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

Answer:


Step-by-step explanation:

Answer:(A)= (-x^11)/(y^7)

(B)= (1/12xy^5)


Step-by-step explanation:

(A) (3x^3y^-2)(-2x^-3y^2)^-5/(6x^7y^-5)

[(3x^3y^-2)(-2x^15y^-10)]/(6x^7y^-5)

(6x^18y^5)/(-6x^7y^12)

(-6x^11)/(6y^7)

(-x^11)/(y^7)

(B) [(12x^-3y^5)/(x^-4)]^-1

(1/12xy^5)

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aalyn [17]
1. ABC
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6 0
3 years ago
Read 2 more answers
Is constructed by making arcs centered at a and b without changing the compass width. which equation is not necessarily true? a.
stich3 [128]

The equation that is not necessarily true is that PQ = AB.

<h3>How to illustrate the equation?</h3>

The perpendicular bisector of any line segment can be drawn by opening the compass more than half, by putting the nib of the compass at one end of a line segment, and by marking an arc on both sides of the line segment from both the ends of the segment.

The following Property that the perpendicular bisector PQ follows when it bisects the line segment AB include:

  • AP=BP
  • AQ=BQ
  • AR=BR
  • ∠ARP=∠BRP=∠ARQ=∠BRQ=90°

Therefore, PQ is Perpendicular Bisector of Line Segment AB is not true.

Learn more about equations on:

brainly.com/question/2972832

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6 0
2 years ago
Find the equation of the line.
MrRa [10]

Answer:

the equation is in form

y=mx+b where

m=slope

and

b=y-int (the y value for the vertex)

first we look to see what the y value is for the point where x=0 and we can see that it is 5 so b=5

then we look at the slope, slope it the amont of units up then to the side are needed to reach the next point, in this case the line goes up 1 then to the right 1 so the slope is 1/1 (1) so the full equation is

y=x+5

Step-by-step explanation:

5 0
3 years ago
Based on past experience, a bank believes that 6% of the people who receive loans will not make payments on time. The bank has r
zepelin [54]

Answer:

0.11685

Step-by-step explanation:

Given that :

Mean, p= 6% = 0.06

x = 8%,, x = 0.08

Probability that over 8% will not make timely payment :

Standard deviation (σ) = sqrt[(pq) /n]

q = 1 - p = 1 - 0.06 = 0.94

σ = sqrt[(0.06*0.94)/200)] = sqrt(0.000282) = 0.0167928

Obtain the Z score :

P(x > 0.08) = (0.08 - 0.06) / 0.0167928

P(x > 0.08) = 0.02 / 0.0167928

P(x > 0.08) = 1.1909826

P(Z > 1.1909) = 0.11685 (Z probability calculator)

4 0
3 years ago
PLS, I'm begging for help, il give the brainiest to who gives me the right answer! THIS IS 30 POINTS
solniwko [45]

Answer:

<em>Similarity doesn't changes angle measures</em>

  • ∠U = 56°, ∠U' = 3x - 16
  • ∠U = ∠U'

a) 3x - 16 = 56 ⇒ 3x = 72 ⇒ x = 24°

b) ∠T = x + 46 = 24 + 46 = 70°

c) <u>Scale factor:</u>

  • k = S'T'/ST = 19/57 = 1/3

<u>Find y using known sides and scale factor:</u>

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  • (y + 4)/63 = 1/3
  • y + 4 = 21
  • y = 21 - 4
  • y = 17

8 0
3 years ago
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