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3 years ago

150 adults complete a survey 80 are women write the ratio

Mathematics

1 answer:

White raven [17]3 years ago

6 0

Answer:

7 : 8

Step-by-step explanation:

Here is the full question

150 adults complete survey 80 were women

write the ratio men:women

put it in its simplest form

Number of men that partook in the survey = 150 - 80 = 70

Ratio of men to women = 70 : 80

divide both numbers by 10

7 : 8

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Which of the following descriptions represent the transformation shown in the image? Part 3b<br>

Igoryamba

Answer: d) none of the above

<u>Step-by-step explanation:</u>

Start at Black Triangle: B = (0, -4) C = (4, -1) D = (2, -5)

End up at Red Triangle: B = (2, 0) C = (-2, 3) D = (0, -1)

Rotation of 180°: (x, y) → (-x, -y)

Reflection across y-axis: (x, y) → ( -x, y)

Reflection across x-axis: (x, y) → (x, -y)

Reflection across x=1: (x, y) → (2 - x, y)

$a) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across y-axis}\\B:\ (0, -4)&(0, 4)&(0,4)\\C: (4, -1)&(-4,1)&(4,1)\\D: (2, -5)&(-2,5)&(2,5)\end{array}$

$b) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across x = 1}\\B:\ (0, -4)&(0, 4)&(2,4)\\C: (4, -1)&(-4,1)&(6,1)\\D: (2, -5)&(-2,5)&(4,5)\end{array}$

$c) \\\begin{array}{ccc}\qquad \text{(x, y)}&\text{Rotate 180}^o&\text{reflect across x-axis}\\B:\ (0, -4)&(0, 4)&(0,-4)\\C: (4, -1)&(-4,1)&(-4,-1)\\D: (2, -5)&(-2,5)&(-2,-5)\end{array}$

None of the given options transform the black triangle onto the red triangle.

7 0

3 years ago

The sum of the series shown in the picture

anastassius [24]

-530
I hope this helps! (^_^)

3 0

3 years ago

Which function has the same range as f(x)=-2√x-3+8?

inysia [295]

Answer:

Jul 9, 2017 - First lets find the range of -2 sqrt(x - 3) + 8x cannot be < 3 or f(x) would not be real when x = 3 f(x) = 8 and for all other values of x f(x)

Step-by-step explanation:

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3 years ago

Read 2 more answers

What shod be in the box 3/10 × (box)=1

Novay_Z [31]

Answer:

0.333333333

Step-by-step explanation:

0.333333333×0.3=1

3/10=0.3

5 0