Round 45,122 to the nearest hundred

Each of two urns contains green balls and red balls. Urn I contains 10 green balls and 14 red

OlgaM077 [116]

Answer:

for Urn l the probability is 14 out of 24 for Urn LL the probability is 11 out of 15

Step-by-step explanation:

you add the two then take the number of

6 0

3 years ago

Please I need Help Im confused

vitfil [10]

Answer:

x=3.5 y=8

Step-by-step explanation:

Remeber, in a rectangle, opposite sides are equal so

$2x + 3y = 31$

and

a

$2x + 1 = y$

Subsitue 2x+1 for y.

$2x + 3(2x + 1) = 31$

$2x + 6x + 3 = 31$

$8x + 3 = 31$

$8x = 28$

$x = 3.5$

Plug this back in to one of the equations to find y.

$2x + 1 = y$

$2(3.5) + 1 = y$

$7 + 1 = y$

$8 = y$

So x=3.5

y=8

7 0

3 years ago

The diagram shows 5cm×5cm×5cm cube calculate the length of the diagonal ab

mario62 [17]

Answer:

AB = $5\sqrt{3}$ cm

Step-by-step explanation:

As we can see from the figure, BCDE is a square with each corner equal to 90°.

So that, BDE is a right triangle with corner BED equal to 90°

As BDE is a right triangle, according to Pythagoras theorem, we have:

$BD^{2} = BE^{2} +ED^{2} = 5^{2} + 5^{2} = 25 + 25 = 50$ cm

As the diagram s the cube, so that it can be seen that AD is perpendicular to the surface BCDE

=> AD is perpendicular to BD

=> ADB is the right triangle with corner ADB equal to 90°.

As ADB is the right triangle, ccording to Pythagoras theorem, we have:

$AB^{2} =AD^{2} + BD^{2} = 5^{2} +50 = 25 +50 = 75$ cm

=> $AB = \sqrt{75} = 5\sqrt{3}$ cm

Conclusion: AB = $5\sqrt{3}$ cm

4 0

3 years ago

This Excel file Undergrad Survey shows the data resulting from a survey of 50 undergraduate students at Clemson University. Majo

Rama09 [41]

Answer:

Question 1:

Here total number of students GPA is given = 50

Number of people who have GPA more than 3.69 = 5

Therefore,

Pr(That a student has GPA more than 3.69) = 5/50 = 0.1

Here X ~ NORMAL (3.12, 0.4)

so Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4)

Z = (3.69 - 3.12)/ 0.4 = 1.425

Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4) = 1 - Pr(Z < 1.425) = 1 - 0.9229 = 0.0771

Question 2

Here GPA would be above 95.54th percentile

so as per Z table relative to that percentile is = 1.70

so Z = (X - 3.12)/ 0.4 = 1.70

X = 3.12 + 0.4 * 1.70 = 3.80

so any person with GPA above or equal to 3.80 is eligible for that.

3 0

4 years ago

Charlie bought 2 1/2 pound bag of oranges for $3.75. What is the cost of one pound of oranges

Semmy [17]

This is how you find the answer:
Divide 3.75 /2 1/2=1.5
3.75/2.5=1.5

3 0

4 years ago

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