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3 years ago

Y 9. ΔΧΥΖ» Δ. ~^_ A. XYT; YZT B. XTY; YTZ C. TXY, ZYT Z T Х D. YXT; TYZ

Mathematics

1 answer:

Blizzard [7]3 years ago

6 0

Answer:

Step-by-step explanation:

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What is the value of 10×+z=150<br>

JulijaS [17]

Answer:

Step-by-step explanation:

what is the value of 10×+z=150

10× (+z) = 150

10 × z = 150

z = 150 : 10

z = 15

-----------------------

check

10 × 15 = 150

the answer is good

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3 years ago

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What is 6 x 13/3.....

Wewaii [24]

6 x 13/3=

78/3

divide top and bottom by 3

26/1

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3 years ago

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According to The Wedding Report, Inc., the mean cost for a wedding in the United States is $28732 (as of November 2008). Suppose

Stella [2.4K]

Answer:

Following are the solution to the given points:

Step-by-step explanation:

$X = \text{cost of wedding}\sim \text{Normal}\ (\mu = 28732, \sigma= 1500)\\\\$

For point a:

$Probability\ = 0.00000359\\\\ \text{(Using Excel function:} =NORMDIST(22000,28732,1500,1)).$

For point b:

$Probability \ = 0.014678\\\\\text{(Using Excel function:} =1-NORMDIST(32000,28732,1500,1))\\\\$

For point c:

$Probability\ = 0.794614436 \\\\$

$\text{(Using Excel function:} \\=NORMDIST (30000,28732,1500,1)-NORMDIST(25000,28732,1500,1))\\\\$

For point d:

$Q_1 = 27720.26537 \\\\\text{(Using Excel function:} =NORMINV(0.25,28732,1500)) \\\\Q_3 = 29743.73463 \\\\\text{(Using Excel function:} =NORMINV(0.75,28732,1500)).$

For point e:

$IQR = Q_3 - Q_1 = 29743.73463 - 27720.26537 = 2023.469251.$

For point f:

$Top\ 10\% = 30654.32735 \\\\\text{(Using Excel function:} =NORMINV(0.9,28732,1500)).$

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3 years ago

Solve the system of equations. y = x2 + 7x - 5 y = 2x + 9

marissa [1.9K]

Answer:

(2, 13)

(-7, -5)

Step-by-step explanation:

Easiest and fastest way to do this is to graph the systems of equations and analyze the graph where the 2 graphs intersects.

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3 years ago

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I need help with this question

Nastasia [14]

Answer:

120 cm³

Step-by-step explanation:

V = (1/3)×base area×height

= (1÷3)×(4×9)×10

=120

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3 years ago

Y 9. ΔΧΥΖ» Δ. ~^_ A. XYT; YZT B. XTY; YTZ C. TXY, ZYT Z T Х D. YXT; TYZ​

Y 9. ΔΧΥΖ» Δ. ~^_ A. XYT; YZT B. XTY; YTZ C. TXY, ZYT Z T Х D. YXT; TYZ