Sally rides her bike to the store to get some Skittles. The store is 5 km away. If it takes her 10 minutes to get to the store what is her average speed?

Answers

Answer 1
the answer to this is 15 darling

Related Questions

1: The local street cart sells bacon egg and cheese sandwiches for $2.50,
and soft drinks for $0.75. The street vendor made a total of $933 after
selling a total of 747 sandwiches and soft drinks. (5 points)
HELP QUICK

Answers

Answer:

213 sandwiches

534 soft drinks

Step-by-step explanation:

system of equations, if you want better explanation, hmu in the comments.

What is the image point of (-5,0) after a translation left 2 units and down 1 unit?

Answers

Answer:

The image point of (-5, 0) after a translation left 2 units and down 1 unit would be the point (-7, -1).

Step-by-step explanation:

The original point is located at (-5, 0), a translation of two units to the left would be an increase of -2 in the x-axis, and a translation of down 1 unit would be an increase of -1 in the y-axis. Using the translation, you can infer that the new coordinate would be (-5 - 2, 0 - 1) or (-7, -1).

Keiko’s class collected money to donate to charity. When Keiko counted the money, there were 140 five-dollar bills, and 255 one-dollar bills. What expression could he use to find out how much money was collected?
Whoever answers first gets brainlest! :)

Answers

Answer:

(140 × $5) + (255 × $1)

Therefore, the money was collected is $ [tex]955[/tex].

What is an expression?

An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Here given that,

Keiko’s class collected money to donate to charity. When Keiko counted the money, there were [tex]140[/tex] five-dollar bills, and [tex]255vvv[/tex] one-dollar bills.

So, it is of the form:-

[tex](140[/tex] ×[tex]5)+(255[/tex] ×[tex]1)[/tex]

[tex]=700+255\\\\[/tex]

[tex]=955[/tex]$

Hence, the money was collected is $ [tex]955[/tex].

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26 + 58 rounded to the nearest ten​

Answers

Answer:

80

Step-by-step explanation:

Answer:

80

Step-by-step explanation:

26+58=84

Rounded=80

The height of 44 students (in centimeter) are presented in the frequency distribution below. Complete the table, and then find the median.

Height
182 - 188
175 - 181
168 - 174
161 - 167
154 - 160
147 - 153
140 - 146

Frequency
1
3
6
15
12
4
3

L







Answers

Given:

The height of 44 students (in centimeter) are presented in the given frequency distribution.

To find:

The median of the given data.

Solution:

The given intervals are inclusive first make the intervals exclusive by adding 0.5 in upper limit and by subtracting 0.5 from the lower limit.

The complete frequency distribution table is shown below:

Height              Frequency           L                            <cf

182 - 188                  1                  181.5 - 188.5            44

175 - 181                   3                 174.5 - 181.5             43

168 - 174                  6                 167.5 - 174.5            40

161 - 167                 15               160.5 - 167.5            34   Median class

154 - 160                 12                153.5 - 160.5           19

147 - 153                   4                146.5 - 153.5             7

140 - 146                   3                139.5 - 146.5             3

We have, [tex]n=44[/tex].

[tex]\dfrac{n}{2}=\dfrac{44}{2}[/tex]

[tex]\dfrac{n}{2}=22[/tex]

The 22th term is include in the class 160.5 - 167.5 because is cf is greater than 22 but the cf of o preceding class is less than 22. So, it is the median class is 160.5 - 167.5.

Formula for median:

[tex]Median=l+\dfrac{\dfrac{n}{2}-cf}{f}\times h[/tex]

Where, l is the lower limit of median class, cf is the cumulative frequency of preceding class, f is the frequency of median class and h is the size of the class.

Now, [tex]l=160.5,f=15,cf=19,h=7[/tex].

[tex]Median=160.5+\dfrac{22-19}{15}\times 7[/tex]

[tex]Median=160.5+\dfrac{3}{15}\times 7[/tex]

[tex]Median=160.5+1.4[/tex]

[tex]Median=161.9[/tex]

Therefore, the median of the given data table is 161.9.

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Answers

Answer:

a) Line M

b)Line M

c)y=1/2x+2

Step-by-step explanation:

a) Line M has a greater y-intercept since its y-intercept is at (0,2) while Line N's y-intercept is at (0,1)

b) Line M has a greater slope since its line is steeper

c) Use the formula y=mx+b

Use the points ( 0,1) and (-4,-1)

m(slope)= y2-y1/x2-x1

m= (-1-1)/(-4-0)

m=-2/-4

m=1/2

substitute

(0)=1/2(-4)+b

2=b(y-intercept)

y=1/2x+2

Answer:

Red line has higher intercept and slope.

The equation for the line: y= 0.5x

Step-by-step explanation:

Brainliest can only be awarded when two people have answered the question.

Find the measure of the side indicated (x). Round to the nearest tenth. Show your work to support your answer.

Answers

Answer:

x = 13.77

Step-by-step explanation:

cos 37° = 11/x

0.7986 = 11/x

0.7986x = 11

x = 11/0.7986

x = 13.77

The value of the hypotenuse x will be 14.37.

What will be the value of the hypotenuse?

Here in the triangle, it is given that

The angle between base and hypotenuse = [tex]37^0[/tex]

The base =11

So from the property

[tex]COS\theta=\dfrac{Base}{Hypotenuse}[/tex]

[tex]Cos37=\dfrac{11}{x}[/tex]

[tex]x=\dfrac{11}{0.7654}[/tex]

[tex]x=14.37[/tex]

Thus the value of the hypotenuse x will be 14.37.

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The population of a colony of mosquitoes obeys the law of uninhibited growth. If there are 1000 mosquitoes initially and there are 1900 after 1​ day, what is the size of the colony after 4 ​days? How long is it until there are 40,000 ​mosquitoes? What is the size of the colony after 4 ​days?

Answers

Answer:

5832 mosquitoes

Step-by-step explanation:

As we know

[tex]A = A_0 * e^{kt}\\[/tex]

Where A is the population after t days

A0 is the initial population

k is rate constant and

t is the time in days

Substituting the given values we get

[tex]1900 = 1000 * e^{1 * k}\\1.9 = e^{1 * k}\\k = 0.587[/tex]

Size of colony after 4 days

[tex]A = 1000 * e^ {(0.587*4)}\\A = 5832[/tex]mosquitoes

PLEASE HELP ME ASAP ​

Answers

Answer: -2

Step-by-step explanation: add all of the answers together to get -18. Then, divide by the total amount of numbers, 9 numbers in total. -18/9=-2

Answer:

2.111...

Step-by-step explanation: add the numbers altogether and divide by how many number you added

i dont understand any of this please help :(

Event A: Rolling a number less than 4 on a number cube Event B: Flipping heads on a coin toss What is the probability of A, the probability of B, and the probability of both A and B?

P(A) =

P(B) =

P(A and B) =​

Answers

Answer:

first one is 1/2

the next one is 1/2

the last one is 1/4

Step-by-step explanation:

i just did it

The probability of A will be P(A) = 1/2. The probability of B will be P(B) = 1/2. The probability of A and B will be P(A and B) =  1/4

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.

P(E) = Number of favorable outcomes / total number of outcomes

Event A: Rolling a number less than 4 on a number cube.

Event B: Flipping heads on a coin toss

We need to find the probability of A, the probability of B, and the probability of both A and B.

The probability of A will be

P(A) = 1/2

The probability of B will be

P(B) = 1/2

The probability of A and B will be

P(A and B) = 1/2 x 1/2

P(A and B) =  1/4

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If AC = 9 cm and tan ABC = 0.75, what is the length of BC?

Answers

Answer:

12 cm confirm ...................

From the concept of trigonometric ratios, we determine the length of the side  BC is 6.75 cm.

What are trigonometric ratios in terms of a right-angle triangle?

We know a right-angled triangle has three sides they are -: Hypotenuse,

Opposite and Adjacent.

We can remember SOH CAH TOA which is,

sin = opposite/hypotenuse, cos = adjecen/hypotenuse and

tan = opposite/adjacent.

Given, The length of the side AC = 9cm.

The measure of tan∠ABC = 0.75.

We know tan = opposite/adjacent.

Here, the opposite is AC and adjacent is BC.

Therefore, 0.75 = 9/BC.

BC = 9×0.75.

BC = 6.75.

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identify the vertex of the graph

Answers

Answer:

(-1,-3)

Step-by-step explanation:

Answer:

y = a(x – h)2 + k,

Step-by-step explanation:

Parabolas always have a lowest point (or a highest point, if the parabola is upside-down). This point, where the parabola changes direction, is called the "vertex". If the quadratic is written in the form y = a(x – h)2 + k, then the vertex is the point (h, k). This makes sense, if you think about it.

In ADEF, what is sin D, in simplified form?

Answers

Answer:

In simplified form, sin D is;

4/5

Step-by-step explanation:

The given figure and dimension parameters in the question are;

Triangle ΔDEF is a right triangle

The length of leg [tex]\overline{EF}[/tex] which is opposite side to the reference angle = 20

The length of segment [tex]\overline{ED}[/tex] which is the hypotenuse side of the right triangle ΔDEF = 25

The length of segment [tex]\overline{DF}[/tex] which is adjacent side to the reference angle = 15

By trigonometric ratios, we have;

[tex]sin\angle X = \dfrac{Opposite \ leg \ length}{Hypotenuse \ length}[/tex]

Therefore, we have;

[tex]sin\angle D = \dfrac{Opposite \ leg \ length}{Hypotenuse \ length} = \dfrac{20}{25} = \dfrac{4}{5}[/tex]

∴ In simplified form, sin(D) = 4/5.

In a survey of 232 students, about 5.5% have attended more than one play. Which is closest to the number of students in the survey who have attended more than play? 5 7 13 16​

Answers

Answer:

13

Step-by-step explanation:

Number of students that attended more than play = percentage of students that attended more than play x total number of students

5.5% x 232

0.055 x 232 = 12.76 students

to round off to the nearest whole number, look at the first number after the decimal, if it is less than 5, add zero to the units term, If it is equal or greater than 5, add 1 to the units term.

Since the first term is 7 which is greater than 5, 1 would be added to it.

This gives 13

A scientist selected a random sample of seven varieties of peach ice cream to investigate the relationship between the density, in pounds per cubic inch, of the varieties of ice cream and the percent concentration of peaches in the ice cream. Assuming all conditions for inference are met, which of the following significance tests should be used to investigate whether there is convincing evidence at the 0.05 level of significance that a greater percent of peaches in the ice cream is associated with an increase in the density of the ice cream?

A. A two-sample t-test for a difference between means

B. A chi-square test of independence

C. A linear regression t-test for slope

D. A two-sample z-test for a difference between proportions

E. A matched pairs t-test for a mean difference

Answers

Answer:

The significance test that would be used to investigate whether there is convincing evidence at 0.05 level of significance that a greater percent of peaches in the ice cream is associated with an increase in the density of the ice cream is option C;

C. A linear regression t-test for slope

Step-by-step explanation:

The linear regression t-test for slope is a test for determining the existence of a statistically significant linear relationship between two variables, a independent variable, X and an dependent variable Y in the following form;

Y = B₀ + B₁·X

The test is used to test the regression line slope where we have;

B₀ = The constant

B₁ = The slope also known as the regression coefficient

The given information tested in the question is if an increase in the peaches in the ice cream is associated with an increase in the density of the ice cream, therefore, the test to investigate the relationship between the rate of both variables is the linear regression t-test for slope.

Therefore, we have

Y = B₀ + B₁·X

Where;

X = The percentage of peaches in the ice cream

Y = The density of the ice cream

a) 12, 10, 7,3,
Rule:
b) 1,3,9, 27,
Rule:
I
c) 4, 19, 34, 49
Rule:

Answers

A the rule would be -1 times X
B the rule would be x3
C the rule would be +15


BRAINLY TO WHOEVER HELPS ASAP

Answers

Answer:

l=-5,-2

m=-3,-3

n=-6,-6

Step-by-step explanation:

FREE BRAINLIEST TO WHOEVER ANSWERS CORRECT FIRST! A movie company conducts a survey using a representative sample of customers to determine their favorite type of movie. The results are shown below. Based on the survey results, how many customers are expected to prefer drama movies out of 2,500 customers?
Favorite Movie Types



.

Answers

Answer:

320 customers

Step-by-step explanation:

Well the chart given is a huge ratio since its a sample.

you would have this ratio

41:25:43:16

You can add them all up since then you would know how much people have actually be chosen for the survey.

You’d get 125. So 125 is the sample out of 2500 so we can divide to see how much of these “125” samples are in 2500.

You’d get 20.

So there are 20 “125” samples and we’re only focusing on drama which is 16 out of 125. 20*16 would be 320.

41+25+43+16= 125
2500/125 = 20
20 x 16 = 320

HELP PLEASE HELP PLEASE NO EXPLANATION

Sunlight hits the Earth at an angle. As a result of the tilt of the Earth, some areas of the Earth receive more direct sunlight than others, which means they receive more solar energy. Which statement correctly describes how solar energy changes as latitude changes?
A.
Oceans and lakes receive more solar energy than land masses.
B.
Lower latitudes receive more solar energy than higher latitudes.
C.
The poles receive the most solar energy of all places on the Earth.
D.
The equator receives the least solar energy compared to any other latitude.

Answers

Answer:

B.  Lower latitudes receive more solar energy than higher latitudes.

i know i was late srry

Determine the measure of angle b using the photo.

Answers

Answer:

m<b = 41

Step-by-step explanation:

<b = 41 because of vertical angle thm

41 ? Because its the same angle just facing a different way

help now please no links

Answers

Answer:

60 cm^2

Step-by-step explanation:

I did it hope it helps

Answer: 60 cm²

Step-by-step explanation:

OUTLINE:

1. Find the area of triangles

2. Find the area of rectangles

SOLVE:

#1 Area of Triangles

Formula: a=(1/2)bh

a=area

b=base

h=height

b=6 cm

h=4 cm

a=(1/2)bh

a=(1/2)(6)(4)

a=12 cm²

There are 2 triangles ⇒ 12×2=24 cm²

#2 Area of Rectangles

Formula: a=bh

b=base

h=height

b=6 cm

h=2 cm

a=bh=6×2=12 cm²

There are 3 rectangles ⇒ 12×3=36 cm²

Find the total surface area: 36+24=60 cm²

Hope this helps!! :)

Please let me know if you have any questions

Justin buys a shirt that costs 24 dollars and a jacket that costs 54 dollars. If sales tax is 7%, what is the total purchase price including tax?

Answers

Answer:

$83.46

Step-by-step explanation:

24 + 54 =78

78 × 7% = 5.46

78 + 5.46 = $83.46

What’s 6 x 5 * divide* 10? I need answers plz

Answers

Answer:

It is 3

Step-by-step explanation:

6*5= 30

30/10= 3

Mark me Brainliest?

The school has 978 pencils. They want to divide them equally among the 84 students. How many pencils will each student get?

Answers

Answer:

each student gets 11 pencils

Step-by-step explanation: I searched it up

11 pencils.


hope this helps

BRAINLIEST
a. 45
b. 34
c. 29
d. 56​

Answers

Answer:

(d). 56°

Step-by-step explanation:

cos x° = [tex]\frac{5}{9}[/tex]

x° = [tex]cos^{-1}[/tex] [tex]\frac{5}{9}[/tex]

x° ≈ 56.25° ≈ 56°

4.

Do the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table.


A. inverse variation; xy = 20

B. direct variation; y = 20x

C. direct variation; [tex]y=\frac{20}{x}[/tex]

D. inverse variation; [tex]\frac{y}{x} =20[/tex]

Answers

Answer:  A. inverse variation; xy = 20

ANSWER

Step-by-step explanation:  Brainly

B) xy=20

Inverse because it is of the form y=k/x, intuitively you can see that as x increases y decreases, hence "inverse variation".

...............................................................................................................................................

Answer:

Option B is correct

Inverse variation , xy = 20

Step-by-step explanation:

Inverse variation states:

If  

then the equation is in the form of:

or

xy = k            ....[1]

As per the statement:

Given the data:

x : 2 4 8 12

y : 10 5 5/2 5/3

Let any value of x and y to find k:

x = 4 and y = 5

Substitute in [1] we have;

⇒20 = k

or

k = 20

then we get;

xy = 20

Check:

Substitute x = 12  and y = 5/3

⇒ true.

Therefore, the the data in the table represent a inverse variation and an equation to model the data in the table is, xy = 20

.............................

Answers

Answer:

the last one

Step-by-step explanation:

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).
A. y+2=−75(x+3)

B. y−4=−75(x−7)

C. y+3=−75(x+2)

D. y+7=−75(x−4)

Answers

Answer:

458435464546484845kdnh

Answer:

C. y+3=−7/5(x+2)

Step-by-step explanation:

Line is passing through the points (-2, -3) and (-7, 4).

Slope of line = (-3 - 4)/[-2-(-7)]= (-7)/(-2+7) = - 7/5

Equation of line in the point-slope form is given as with point (-2, -3).

y - (-3) = - 7/5[x - (-2)]

y + 3 = - 7/5(x +2)

Whats the volume of the cone?
use the fórmula V=1/3πr^2h.

Answers

D is correct. you’re welcome.

Find the missing lengths of this triangle.

Can someone help me???

Answers

I hope it helps if u didn’t understand it yet i don’t mind explaining it again and good luck
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