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3 years ago

Jennifer surveyed her classmates recording gender, whether or not they had siblings, and if they liked school.

Mathematics

2 answers:

Helga [31]3 years ago

7 0

Answer:

You need to pay attention to the column for if they like school and the column for whether or not they have siblings. There are 11 who like school and 3 who do not like school. Then there are 9 who have siblings and 5 who do not have siblings. In comparing those that like school with those that have siblings you have 8 who like school and who have siblings, 3 who like school and who do not have siblings, 1 who does not like school and has a sibling and 2 who do not like school and who do not have siblings. The correct table is

e-lub [12.9K]3 years ago

4 0

Answer:

its d

Step-by-step explanation:

i did it on usa test prep

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12 yellow balls and 7 red balls are placed in an urn. two balls are then drawn in succession without replacement. what is the pr

xxMikexx [17]

Total number of balls = 12 + 7 = 19

p(first ball is a red) = 7/19

Answer: 7/19

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3 years ago

A triangle weighs 3 grams, and a circle weighs 6 grams. Use this applet to help find the weight of a square.

lesya [120]

Answer: 3.75 g

Step-by-step explanation:

Assume the weight of the square is x.

The hanger is in balance so the left side is equal to the right side.

Equation therefore is:

Triangle + Square + 3 * circle = 5* square + circle

3 + x + (3 * 6) = 5x + 6

3 + x + 18 = 5x + 6

5x - x = 3 + 18 - 6

4x = 15

x = 15/4

x = 3.75 g

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2 years ago

What is the benchmark fraction of 7/10 x 16

Tomtit [17]

Lets change "16" by its to 16/1 .. since nothing can't help support 16 by itself when it is going into 7/10

Now that we change that ... your problem becomes 7/10 × 16/1

7/10 × 16/1 = 11 1/5

Because
7(16) / 10(1) = 112/10
Now lets go. to how we solve the for the answer

112/10 = 11 1/5

☺

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3 years ago

What's the relationship between the values of 4s in 44000

oksano4ka [1.4K]

The relationships of the 4's is 40,000 and 4,000

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3 years ago

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Find the flow rate through a tube of radius 6 cm, assuming that the velocity of fluid particles at a distance r cm from the cent

vaieri [72.5K]

Answer:

791.68 cm/s

Step-by-step explanation:

The volume flow rate can be interpreted as the integral of fluid velocity over area

$\dot{V} = \int\limits^6_0 {v(r) 2\pi r} \, dr\\\dot{V} = 2\pi\int\limits^6_0 {(25-r^2)r} \, dr\\\dot{V} = 2\pi\int\limits^6_0 {25r-r^3} \, dr\\\\\dot{V} = 2\pi[12.5r^2 - r^4/4]_0^6\\\dot{V} = 2\pi(12.5*6^2 - 6^4/4 - 12.5*0 - 0)\\\dot{V} = 2\pi*126 = 791.68 cm/s$

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3 years ago