Please help<3 due in 30 mins !!!!!!!!

Please Help&lt;3 Due In 30 Mins !!!!!!!!

Answers

Answer 1

Answer and Explanation:

Sara's sample is biased, she's only taking people that naturally would pull out their phones as they are waiting for a bus to arrive.

Sara's claim is not valid, the sample is too small and biased to be applied to her whole town.


Related Questions

help me ive been up all night doing math​

Answers

Answer:

See below ~

Step-by-step explanation:

(a)

The point (8, 28) represents that in the time of 8 minutes, 28 cm of the horse trough has been filled.

8 minutes 28 centimeters

(b)

Finding the unit rate

No. of centimeters / min.28 cm / 8 min3.5 cm/min

Reflect the triangle in the mirror line.

Answers

For this, you are basically flipping the shape. So the bottom-most point on the triangle will be the same on the x-axis, but will be -1 on the y-axis in its image (new form).

The top left point will stay the same in the x-axis, and will be -4 on the y-axis

Finally, the top right point will stay true same on the x-axis, but will be -4 on the y-axis in its image.

If you could mark my answer the brainliest it would be very much appreciated!

What is the value of B for the following triangular prism?

Answers

It would be 48ft2. If you need help with anything just ask

Does B refer to the base of this

Which number is a solution of the inequality x less-than n3gative 4? Use the number line to help answer the question.

A number line going from n3gative 9 to positive 1.
–3
0
2

Answers

Answer:

-3

Step-by-step explanation:

because a positive minus a negative depending on what the positive = a negative

Kate's Cupcakes sells cupcakes in boxes of 4. Depending on the type of cupcake, a box can cost at most $20. Let x represent how much each cupcake costs. Which inequality describes the problem?

Answers

Answer:

4×<=20

×<=5

AAAAA single Cupcake can cost at most $5.

Step-by-step explanation:

x _> 5
A cupcake needs to be $5 each for a box of 4 to cost $20. Meaning that a cupcake (x) will be $5 or less.

please help me
covert 2km to m
convert 3 decimeter to mm
covert 1km to cm​

Answers

Answer:

2,000 m

300 mm

100,000 cm

Step-by-step explanation:

Answer:

2 km converted to meters is 2000 meters

3 decimeters converted to millimeters is 300 mm

1 km converted to centimeters is 100,000 centimeters

Solve for x. The triangles in each pair are similar.

Answers

Step-by-step explanation:

similar triangles means that all angles in one triangle are exactly the same as the angles in the other triangle.

and the lengths of all sides of one triangle have the same scaling factor with the lengths of the sides of the other triangle.

so, when we compare the "features" of the triangles, we see that C corresponds to S, B to R and D to T.

so, DC (50) corresponds to TS (70).

and that means that CB (60) corresponds to SR (11x - 4).

the scaling factor from BCD to RST is 70/50 = 7/5.

that means DC × 7/5 = TS.

and CB × 7/5 = SR :

60 × 7/5 = 11x - 4

12 × 7 = 11x - 4

84 = 11x - 4

88 = 11x

x = 8

HELP WILL MARK BRAINLIEST EXTRA POINTS!!!

Answers

Answer:

Step-by-step explanation:

All of the angles will equal up to 180

10x-10=180

180+10 is 190

190=10x     190/10=x     x=19 or R

<Q: 19*2=38-5=33    <Q:33

<P:133-5=128    <P:128

128+33+19=180,

Double checking to fact check the asnwers.

Bob's Bagels sells 7 bagels for $8.00, and Betty's Bagels sells 9 bagels
for $6.00. Which is the better deal?
3 of 4
The better deal will have the
higher
ratio of dollars per bagel.
To find the better deal, you must compare the fractions
Select...
Comparing the fractions reveals that
Select...
has the better deal

Answers

Answer:

3 of 4

The better deal will have the higher ratio of dollars per bagel.

To find the better deal, you must compare the fractions 8/7 and 6/9.

Comparng the fractions reveals that Betty has the better deal

Step-by-step explanation:

bobbs bagels: 8/7 equals 1.14, so each bagel would cost about $1.14

bettys bagels: 6/9 equals 0.66, so each bagel would cost about $0.66

$0.66 is better than $1.14 per bagel. therefore, bettys bagels are cheaper

hope this helps :)

Simplify Each Radical Expression. Leave in radical form. (Do not use decimals.)


4. √(5) * √(5) * √(9)

Answers

[tex]\sqrt 5 \cdot \sqrt 5 \cdot \sqrt 9\\\\=\left( \sqrt 5\right)^2 \cdot \sqrt{3^2}\\\\=5\cdot 3\\\\=15[/tex]

3 no d anf
answer needed
with process

Answers

Answer:

d) ordered pairs are equal

e) ordered pairs are not equal

Step-by-step explanation:

d) ( 3+4 , 2 - 1)  

x-co ordinate = 3 + 4= 7

y-co ordinate = 2 - 1  = 3

(3+ 4 , 2-1) = (7 , 3)

(3+4 , 2-1)  & ( 7 ,3) are equal

f)Compare the x -co ordiante and y - co ordiante of the two pairs

           p +q = q + p        {addition closed under commutative property}

      but q - p ≠ p - q        {Subtract is not closed under commutative}

(p +q, q - p) & ( q + p , p -q ) are  not equal

The thickness of a book varies directly with
the number of pages in the book. A book is
1.8 cm thick and contains 350 pages. What is
the thickness of the first 84 pages of the book?

Answers

[tex]\qquad \qquad \textit{direct proportional variation}\\\\\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{\textit{constant of variation}}{y=\stackrel{\downarrow }{k}x~\hfill }\\\\\textit{\underline{x} varies directly with }\underline{z^5}\qquad \qquad \stackrel{\textit{constant of variation}}{x=\stackrel{\downarrow }{k}z^5~\hfill }\\\\[-0.35em]~\dotfill[/tex]

[tex]\stackrel{\textit{"th" varies directly with "p"}}{th=kp}\qquad \textit{we also know that} \begin{cases} th=1.8\\ p=350 \end{cases} \\\\\\ 1.8=k(350) \implies \cfrac{9}{5}=350k\implies \cfrac{9}{1750}=k~\hfill \boxed{th=\cfrac{9}{1750}k} \\\\\\ \textit{when p = 84, what is "th"?}\qquad th=\cfrac{9}{1750}(84)\implies th=\cfrac{54}{135}\implies th=0.432[/tex]

what ratio is equivalent to 1.5:6

Answers

Answer:

2:10:12

Step-by-step explanation:

I multiplied all of the numbers by 2

It doesn't matter what number you multiply the numbers by, as long as you multiply all 3 of them.

Find the volume of each composite figure please help

Answers

Volumn = LWH
small rectangle = 5 x 5 x 12 = 300 sq yds
Larger rectangle = 4 x 12 x 18 = 864 sq yds

I NEED HELP PLEASE I NEED TO KNOW HOW U GOT THE ANSWER PLEASE

Answers

Linear is basically a straight line. It can be increasing or decreasing.

Decreasing is when on the graph, when x increases, y decreases.

On the graph, there are two parts that are decreasing. Between -2 and 0, and Between 2 and 4. Let's look at these two.

- For between -2 and 0, the line is not straight. Therefore, it is decreasing and nonlinear. We can check if this is the right answer.

- For between 2 and 4, the line is decreasing. However, the line is straight, which means it is decreasing but linear.

Your final answer is B.

Which expression is equivalent to 2x^2-10x-48in factored form?

Answers

Answer: B

Step-by-step explanation:

Multiplying and factoring polynomial expressions (9th grade)

Answers

Answer:

1. 2(a^2 + 3a + 9)

2. 5(x^2 - 1)

3. 3(t + 8)(t - 2)

4. n(4 - n)

Step-by-step explanation:

For 1, you can only factor out the constant from each.

For 2, you can also only factor out the constant, but remember that you include the 1 when dividing 5 by 5.

For 3, you can factor out the constant and the variables.

For 4, you can only factor out the variable.

If 65 is 20% of x, then x = ?

Answers

Step-by-step explanation:

65/x ×100 = 20

6500/20 = x

x = 325 Answer .. option (B)

[tex] \bold{ \underline{ \purple{Question}}}[/tex]

if 65 is 20% of X then x = ?

[tex] \bold{Given}[/tex]

65 is 20% of x

[tex]\bold {\underline{SOLUTION}}[/tex]

65 / 20 = x

[tex] \displaystyle\frac{65}{20} \times 100[/tex]

[tex] \displaystyle \: \frac{65}{2 \cancel0} \times 10 \cancel0[/tex]

[tex] \displaystyle \frac{65 \times 10}{2} [/tex]

[tex] \displaystyle \frac{650}{2} [/tex]

[tex]\displaystyle \frac{ \cancel {650}}{ \cancel2} [/tex]

x= 325 Answer

hence option B is correct.

if 65 is 20% of X then x = 325

A bag has 3 balls: 1 orange (0), 1 green (G), and 1 blue (B). A coin has 2 sides:
heads (H) and tails (T).
You randomly pick a ball and toss a coin. What is the sample space?

Answers

Answer:

The sample space is

S= {BH,GH,YH,OH,BT,GT,YT,OT}

Step-by-step explanation:

The sample space refers to the set of all the possible outcomes.

The possible outcomes are:

Head and blue ball: BH

Head and green ball: GH

Head and yellow ball: YH

Head and orange ball: OH

Tail and blue ball: BT

Tail and green ball: GT

Tail and yellow ball: YT

Tail and orange ball: OT

The sample space is S= {BH,GH,YH,OH,BT,GT,YT,OT}

question is in the picture

Answers

1) we move 5 digits to the left:10^5

2) we move 4 digits to the left:10^4

3) we move 3 digits to the left:10^3

Keep in mind we are dividing by the powers of ten, if we were to be multiplying then it would have been 10^-5,10^-4 ect..

Answer:

the avswers are

1. 100,000

2. 10,000

3. 1,000

Step-by-step explanation:

divide the number by one and then keep adding zeros

A City Council consists of nine men and six women. Three representatives are chosen at random to form a sub-committee. What is the probability one man and two women are chosen?

Answers

Answer:

0.2967 or 29.67%

Step-by-step explanation:

Total number of people

9 + 6 = 15

Combination of 3-people subcommitee without restrictions

15C3 = 15!/(15 - 3)!3! = 15!/12!3! = 15*14*13/2*3 = 455

Combination of 3-people subcommitee with one man ad two women

9C1*6C2 = 9*6!/(6-2)!2! = 9*6!/4!2! = 9*6*5/2 = 135

The probability of one man and two women are chosen

P = 135/455 = 0.2967 or 29.67%

Are the number of telephone numbers within a particular area code determined by permutations, combinations, both, or neither? Are there any restrictions? Explain your answer with details.

Answers

Answer:

Phone numbers are an example of permutations. In the United States, each phone number consists of ten digits, three for the area code and seven for the unique phone number. (There is also a "1" preceding each phone number to indicate that the first three digits are the area code.)

Step-by-step explanation:

need help please with info

Answers

Answer:

So the whole thing is 180, we already have 3x+12, it's C.
Because A would be 3x +180 (1803x) +something else which would bring it over 180.

Step-by-step explanation:

C is the answer because 180 is the toal and it isn't going over 180 right away.

Answer:

C. (3x +12) + x = 180°

Step-by-step explanation:

(3z+12)° is obtuse. x° is acute.

Both are supplementary angles that are linear pair that add up to 180°

(3x + 12)° + x° = 180°

4x + 12 = 180°

4x = 168°

x = 42°

Plug x into (3x + 12)°

3*42° + 12

126 + 12

138°

20000 lb equals how many US tons​

Answers

Answer:

10 us tons

Step-by-step explanation:

Answer:

10 Tons

Step-by-step explanation:

this is becuase 2k or 2,000 lbs is equal to 1 US Ton

simply devide the lbs by 2,000 to get the same amount in US Tons

select 3 ratios that are equvilant to 5:2

Answers

Answer:

10/4

15/6

20/8

Step-by-step explanation:

Please help with this geometry work asp

Answers

Answer:

x=21

y=45

z=101

Step-by-step explanation:

Angles crossing each other are congruent

86=4x+2

84=4x

x=21

Quadrilateral has 360 degrees

86 + 86 + 2y+4 + z-7 = 360

172 + 2y+4 + z-7 = 360

2y+4=94

2y=90

y=45

z-7=94

z=101

mark brainliest please!

Find the volume of each prism. Please help mee and thank you.​

Answers

Answer:

Step-by-step explanation:


How to solve for “?”
With work please. I know the answer just not how to get it. Thanks!

Answers

Check the picture below.

Solve the following problems mentally and match it to its corresponding solution.
Pls Help
4t = 40

10 + t = 14

70 - t = 30

multiple answers , 40, 10 , 4

Answers

Answer:

1. t=102. t=43. t=40

Step-by-step explanation:

Isolate the term of t from one side of the equation.

1. 4t=40

First, you have to divide by 4 from both sides.

4t/4=40/4

Solve.

Divide the numbers from left to right.

40/4=10

t=10

2. 10+t=14

First, change sides.

t+10=14

Then, subtract by 10 from both sides.

t+10-10=14-10

Solve.

Subtract the numbers from left to right.

14-10=4

t=4

3. 70-t=30

First, subtract by 70 from both sides.

70-t-70=30-70

Solve.

30-70=-40

Rewrite the problem down.

-t=-40

Divide by -1 from both sides.

-t/-1=-40/-1

Solve.

Divide the numbers from left to right.

-40/-1=40

t=40

Therefore, the correct answer is t=10, t=4, and t=40.

I hope this helps! Let me know if you have any questions.

Answer:

4t =40 t= 10  4x10=40

10 + t = 14 t=4   10 + 4 = 14

70 - t =30 t= 40  70 - 40 = 30

Hope this helps!

On a coordinate plane, how are the locations of the points (-7 , -4) and (7 , -4) related?A.
A. locations unrelated
B.reflection across the x-axis
C.reflection across both axes
D. reflection across the y-axis

Answers

Answer: reflection across y axis

Step-by-step explanation:

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