A group of mothers answered yes or no to the survey questions below.

Mathematics

1 answer:

Tanya [424]2 years ago

5 0

Answer:

To draw a two way table for the own a mini van table as it says 26 own a minivan for people with 3 or more children is subtraction from the given full total 37;

37 - 26 = 11 and finding two or more children is 51- ?= ? see below ans 51- 11 = 40 for those that don't own a mini van.

Then its quick addition to find 40+17 = 57

See given answers in question already easy to answer in bold before doing the sums.

one or 2 children | 3 or more children Total

Do own a mini van 11 26 = 37

Do not own a mini van 40 17 = 57

Total 51 43 = 94

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Question 12 options:

marshall27 [118]

Answer:

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Step-by-step explanation:

5 0

2 years ago

HELP ASAP HELP PLEASE ASAP

Gnesinka [82]

Answer:

WXYZ can not be a rectangle because consecutive sides are not perpendicular to each other.

Step-by-step explanation:

The given vertices are W(-4,3), X(1,5), Y(3,1) and Z(-2,-1).

Plot these points on coordinate plane and draw the quadrilateral as shown below.

$Slope=\dfrac{y_2-y_1}{x_2-x_1}$

Using this formula, we get

$m_{WX}=\dfrac{5-3}{1-(-4)}=\dfrac{2}{5}$

$m_{XY}=\dfrac{1-5}{3-1}=\dfrac{-4}{2}=-2$

Now,

$m_{WX}\times =\dfrac{2}{5}\times (-2)=-\dfrac{4}{5}\neq -1$

Here, WX and XY are two consecutive sides of quadrilateral but the product of their slopes is not equal to -1. It means they are not perpendicular to each other.

Since, all interior angles of a rectangle are right angles, therefore, WXYZ can not be a rectangle.