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3 years ago

Kiran surveyed a random sample of students in her school district, and she found these statistics:

Mathematics

2 answers:

const2013 [10]3 years ago

8 0

Its .25 Mr. StatisticsAreImpossible

kkurt [141]3 years ago

3 0

These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1

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Can I get some help plz?

Anika [276]

Answer:

X=20 degree

Step-by-step explanation:

∆A+∆D+∆O=180

2x+10+2x+90=180

collect like terms

2x+2x=180-100

4x=80

(4x)/4=(80)/4

x=20 degree

6 0

3 years ago

Read 2 more answers

Anser true or false:

kakasveta [241]

Answer:

true

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Good morning temperature is -15° but the afternoon the temperature raises by 20° right in addition expressions for the afternoon

stealth61 [152]

Answer:

+ 5°

Step-by-step explanation:

Given,

Good morning temperature = -15°

Raise in temperature = 20°

Afternoon temperature = -15° + 20°

= + 5°

Hence, temperature in after noon is equal to + 5°.

7 0

3 years ago

Brooklyn wants to know how many families in her neighborhood plan to attend the parade. She puts all 120 of the neighborhood add

AfilCa [17]

Answer:

The answer is: B) Yes, this is a valid inference because it took a random sample from the neighborhood.

And apart from the random sample, 40% of families agreed with her to attend the parade at least.

Step-by-step explanation:

7 0

3 years ago

Which sequence of transformations on the red triangle will map it onto the missing portion of the square?

anyanavicka [17]

Answer:

A 90° counterclockwise rotation about the origin and then a translation 16 units right and 16 units up

Solution -Rotating the triangle 90° counterclockwise will take the triangle to 3rd quadrant and then further moving it 16 steps right will take it to 4th quadrant and followed by 16 steps upward will take it to the desired position which is in 1st quadrant.

7 0

3 years ago