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erma4kov [3.2K]
3 years ago
13

In the figure below, find the exact value of y.

Mathematics
1 answer:
Maru [420]3 years ago
7 0

9514 1404 393

Answer:

  2

Step-by-step explanation:

y is the geometric mean of the segment lengths.

  y = √(4·1)

  y = 2

_____

You can also get there by considering the similarity of the triangles:

  short side / long side = y/4 = 1/y

  y^2 = 4 . . . . . . . multiply by 4y\

  y = √4 = 2 . . . . take the square root

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Among all pairs of numbers whose difference is 88​, find a pair whose product is as small as possible. What is the minimum​ prod
Liono4ka [1.6K]
Hmm
small means negative
if we tried -2 and 86 that is -172
if we tried -3 and 85 that is product of -225
but we have to keep one negative and one positive becuase as soon as both are negative, the product becomes positive
it cannot be 0
to get it as large as possible, make them the same, but negtaives of each other

88/2=44
-44 and 44
product is -1936


the minimum product is -1936
6 0
3 years ago
A guidance counselor has 2 3/6 hours to meet with students. If she meets with each student for 1/6 hour how many students can sh
Virty [35]
Well, is just the quotient of 2 and 3/6 divided by 1/6, that many students.

let's convert the mixed fraction to "improper", and divide then.

\bf \stackrel{mixed}{2\frac{3}{6}}\implies \cfrac{2\cdot 6+3}{6}\implies \stackrel{improper}{\cfrac{15}{6}}\\\\
-------------------------------\\\\
\cfrac{\quad \frac{15}{6}\quad }{\frac{1}{6}}\implies \cfrac{15}{6}\cdot \cfrac{6}{1}\implies \cfrac{15}{1}\implies \stackrel{students}{15}
6 0
3 years ago
Read 2 more answers
sally finds that the experimental probability of her putting a ball into a hole is 15%.Out of 20 putts how many could she predic
tiny-mole [99]

Answer:

3 because 15% of 20 equals 3

0.15*20=3

Step-by-step explanation:

5 0
3 years ago
The function d(x) = 3x + 2 determines how many donuts need to be purchased for a meeting, where x is the number of people at the
suter [353]
2x+7 (3x+2)
2(8)+7 (3(8)+2)
16+7(24+2)
21 (26)
The answer would be 546 and since it's talking about money, I would assume it would be $5.46
5 0
3 years ago
How many solutions are in each box
valentina_108 [34]

Answer:

H=Hyperbola

L=line

C=circle

P=Parabola

First letter is top one:

HL=0, 1, 2

LP=0, 1, 2

LC=0, 1, 2

LH=0, 1, 2

PP=0, 1, 2, INFINTELY MANY

PC=0, 1, 2,

PH=0, 1, 2, 3

CP=0, 1, 2

CC= 0, 1, 2, INFINITELY MANY

CH=0, 1, 2, 3, 4

HP=0, 1, 2, 3

HC=0, 1, 2, 3, 4

HH=0, 1, 2, 3, 4, infinitely many

3 0
3 years ago
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