The two-way table shows the number of girls and boys who are right-handed or left-handed. What percent of left-handed people are girls? % Right-handed Left-handed Girls 8 2 Boys 9 2

Answers

Answer 1

Answer: ______________________________
| | Right-handed | Left-handed|
|------------------------------------------------------|
|Girls | 8 | 2 |
|------------------------------------------------------|
|Boys | 9 | 2 |
|_____|_____________|__________|

What percent of left-handed people are girls?

There are a total of 4 left handed people, 2 of which are girls.

2/4 = 1/2 = 50%

50% of left-handed people are girls.

Answer 2

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If the product of 12.51 and 30 is 375.3, what is the product of 125.1 and 30?

4x + 4y + 2z = 8x - y -z = 0
4y - 2z = -15
x = 2, y = -2, z = 4; (2, -2,4)
Is (2,-2,4) a solution of the system of equations? Yes or no?

Answers

The answer is no, because the first two equations are right but the third equation equals -16 instead of -15. So the answer is no (2,-2,4) is not the solution to all the system of equations.

The volume of a rectangular prism is 336 cubic centimeters. The area of the base of the prism is 48 square centimeters. What is the height of the prism?

Answers

The volume of a rectangular prism is 336 cubic centimeters. The height of the prism is 21 centimeters.

How to find the volume and base area of a right rectangular pyramid?

Suppose the base of the pyramid has length = l units, and width = w units.

Suppose that the height of the pyramid is of h units,

then:

$v = (l * w * h)/(3) \: \rm unit^3$ is the volume of that pyramid.

The base is a rectangle with length = L units, and width = W units, so its area is:

$b = l * w\: \rm unit^2$

The volume of a rectangular prism is 336 cubic centimeters.

$v = (l * w * h)/(3) \: \rm unit^3$

3 x 336 = lwh

lwh = 1008

The area of the base of the prism is 48 square centimeters.

48 x h = 1008

h = 21

Learn more about the right rectangular prism here:

brainly.com/question/27234847

#SPJ2

Answer:

Step-by-step explanation:

A bike is on sale for $135. It has been marked down 20%. What was the original price of the bike?

Answers

Answer:

$168.75

Step-by-step explanation:

if it's narked down by 20% then $135 is 80% of the original price

80 = 135

100 = x

80x = 100×135

x = $168.75

A bike is on sale for $135. The original price of bike is 135

Solution:

Given that bike is on sale for $ 135

The mark down price is 20 %

We need to find the original price of the bike

Hence we can say that,

Selling price of bike = 135

Mark down price = 20%

Original price of bike = ?

The cost price is given as:

$Original price = selling price * (100)/(100 - markup percentage)$

By substituting the values we get,

$original price = 135 * (100)/(100-20)\n\n= 135 * (100)/(80)\n\n= 168.75$

Hence the original price of bike is $ 168.75

Identify the solution of the system, of equation, the intersection coordinates.x+y=-6
6x-7y=42

Answers

Answer:

$(0,-6)$

Step-by-step explanation:

$x+y=-6.........eq(1)\n\n6x-7y=42.....eq(2)\n\n7* eq(1)+eq(2)\n\n7(x+y)+6x-7y=7* (-6)+42\n\n7x+6x+7y-7y=-42+42\n\n13x=0\n\nx=0\n\nSubstitute\ the\ value\ of\ x\ in\ the\ eq(1)\n\n0+y=-6\n\ny=-6\n\nSolution\ of\ the\ equation\ is\ (0,-6)$

what are the least common denominator of the four fractions listed below? 20 7\10 , 20 3\4 , 18 9\10 ,20 18\25. A:2. B: 40 C: 50 or D: 100?

Answers

A, I think
none of them have anything higher than a 2, so yeah

A ball is made of a plastic sphere covered with a layer of rubber. The plastic sphere has a radius of 18 in., and the ball itself has a radius of 21 in. What is the volume of the rubber layer? Use 3.14 to approximate pi and express your final answer in hundredths.

Answers

your answer should be 20162.99

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