The temperature at 12 am was 44 degrees. The temperature dropped steadily for the next 8 hours to reach the daytime low of 20 degrees. Solve for the hourly temperature change.

Answers

Answer 1

Answer:

-3 degrees per hour

Step-by-step explanation:

Points: (12,44) and (20,20)

Slope = -3


Related Questions

The total interest on a 5 year 5.2% loan with a principal of $10,000 is 10,000 × 0.052 × 5 = $2,600.
True or False?

Answers

Answer:

True

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 5.2%/100 = 0.052 per year,

then, solving our equation

I = 10000 × 0.052 × 5 = 2600

I = $ 2,600.00

The simple interest accumulated

on a principal of $ 10,000.00

at a rate of 5.2% per year

for 5 years is $ 2,600.00.

Two vertices of a right triangle have coordinates (3, 7) and (3, 10). The segment that connects these points is a leg of the triangle
Which set of coordinates for the third vertex would create a right triangle?
O (4,4)
O (7,8)
O (8,7)
O (4,8)

Answers

Answer:

8,7

Step-by-step explanation:

i hope this helps!

State if the three numbers can be measures of the sides of a triangle. 11,6,3

Answers

Answer:

no ..they can't as 6+3 is not greater than 11

Micah wants to know the most common style of surfboard used at Breakers Point. He surveys surfers at Breakers Point between 8:00 A.M. and 12 P.M. Which of the following statements is true about Micah’s survey? Select all that apply.

A. Micah will obtain a random sample by talking to as many surfers as possible.

B. The population for the survey is all people who surf at Breakers Point.

C. Micah will not get a representative sample.

D. Micah's sample will be representative because anyone can surf at Breakers Point

Answers

Answer: B I think I hope it helps

Step-by-step explanation:

The statements that are true are:

The population for the survey is all people who surf at Breakers Point.Micah will not get a representative sample.

What is random sampling?

It is a method of selecting a set number of essential items from a given population.

Each item has an equal likelihood of getting chosen.

A. Micah will interview as many surfers as possible to obtain a random sample.

This statement is not always true because Micah may not be able to speak with all of the surfers at Breakers Point during the time frame specified. Also, randomly selecting surfers would result in a more accurate picture of the population.

B. The survey's population consists of all Breakers Point surfers.

This remark is correct, as the demographic of interest at Breakers Point is surfers.

C. Micah will not be able to obtain a representative sample.

This assertion is also correct, as the poll is only done between 8:00 a.m. and 12:00 p.m., which may not be representative of all Breakers Point surfers.

Furthermore, if Micah only polls surfers in a specific place or time period, the sample may be biased.

D. The statement is not always true because not all surfers surf at the same time or location, or have the same level of experience or surfboard preference.

Learn more about random sampling here:

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1 to 8 plz plz plz help me

Answers

Answer:

1-8 = -7

Step-by-step explanation:

1 - 8

1 0 -1 -2 -3 -4 -5 -6 -7

An angle measures 38° less than the measure of its complementary angle. What is the measure of each angle?

Answers

Answer:

One angle is 26 degrees and the other is 64 degrees.

Step-by-step explanation:

Complementary angles add up to a total of 90 degrees. Therefore, if one of the two angles is known to be 38 degrees less, then the other angle can be calculated:

90 = (x-38) + (x)

52 = 2x

26 = x

This means that one of the angles is 26 degrees, and the other is 64 degrees.

Find 80.5% of 58. Help

Answers

Answer:

46.69

Step-by-step explanation:

Multiply 58 by .805

Given that for all values of
6) = 4x+p
x) = x + 1
and f = 12x + 4
where p and are constants
Work out the values of panda

Answers

Answer:

f=−px+8x−2/x

Step-by-step explanation:

its a fraction

May someone please help me out? Just do 1 and I just need steps because I’m unfamiliar with this.

Answers

Answer:

x=5.09

Step-by-step explanation:

Always look at what info they give you, here you have angle, opposite, and adjacent.  The trig function that uses [tex]\frac{opp}{adj}[/tex] is tangent so tan (27) = [tex]\frac{x}{10}[/tex] so

x = 10 tan (27) so x = 10 (.5095254495) [make sure you are in degree mode] so x has to be 5.09

The same goes for question 10, check what you are given [hint: you will need sin probably]....good luck!

Jill puts 440 sweets into small bags, medium bags and large bags.

She uses 30 small bags

She uses twice as many medium bags as large bags.

There are no sweets left over.

For the number of bags work out the ratio

small: medium : large *

(4 Points)

20.co

Answers

Answer:

20 is the anwser for this problem

The number of medium bags will be 410 / 3.

What are ratios and proportions?

An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. The numerical relationship between two values demonstrates how frequently one value contains or is contained within another.

Given that Jill puts 440 sweets into small bags, medium bags and large bags. She uses 30 small bags

The equation can be written as,

L + M + S = 440

L = 2M

2M + M + 30 = 440

3M = 410

M = 410 / 3

Therefore, the number of medium bags will be 410 / 3.

To know more about an expression follow

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hi, timed text please help! ​

Answers

i’m literally bad at rounding but uh for the total volume of both shapes added together its 37.68

Find the average rate of change over the interval (-1, 2] (x=-1 and x=2).

Answers

Answer:

The internal rate of change over the interval (-1,2) is 1

Write a System of Equations to solve the following problem:

The school that Maria goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 1 senior citizen ticket and 12 student tickets for a total of $51. The school took in $93 on the second day by selling 5 senior citizen tickets and 6 student tickets. What is the price each of one senior citizen ticket and one student ticket?

Cost of Senior Citizen Ticket: $

Cost of Student Ticket: $

Answers

Answer:

Cost of Senior Citizen Ticket: $15

Cost of Student Ticket: $3

Step-by-step explanation:

Let the price of a senior citizen ticket be s.

Let the price of a student ticket be t.

Day 1:

s + 12t = 51

Day 2:

5s + 6t = 93

The system of equations is:

s + 12t = 51

5s + 6t = 93

Let's use the substitution method to solve it. Solve the first equation for s.

s = 51 - 12t

Now substitute s in the second equation with 51 - 12t.

5s + 6t = 93

5(51 - 12t) + 6t = 93

255 - 60t + 6t = 93

Subtract 255 from both sides. Combine -60t and 6t.

-54t = -162

Divide both sides by -54.

t = 3

Now substitute 3 for t in the equation

s = 51 - 12t

s = 51 - 12(3)

s = 51 - 36

s = 15

Answer:

Cost of Senior Citizen Ticket: $15

Cost of Student Ticket: $3

can someone please explain
how to do this

Answers

Answer:

93

Step-by-step explanation:

A + B +C = 180

75+51 + C =180

126 +C =180

C = 180-126 = 54

DCB : ACD  =  2:1

DCB = 2x

ACD = x

2x+x=54

3x = 54 ;  x = 54/3 = 18

DCB = 2x =  2 x 18 = 36

dcb + dbc + bdc = 180

51 + 36 + bdc = 180

87 + bdc = 180  ;  bdc = 180 - 87 = 93

I hope im right!!

Answer:

the answer is 93°

Step-by-step explanation:

As you know that in a triangle,

angle1+angle2+angle3 = 180°

hence,

angle ABC + angle BAC + angle DCB + angle ACD ( Angle DCB + angle ACD = angle BCA) = 180°

75°+51°+2x+1x (let the ratio be x) = 180°

126°+3x = 180°

3x = 54°

x = 18°

2x = 36° = angle DCB

In triangle DCB,

51°+36°+angle BCD = 180°

angle BCD = 180°- 87°

Hence, angle BCD = 93°

What is the approximate solution to the system of equations graphed below?

A.(7,-2)
B.(-1.3, 1.9)
C.(1.9,-1.3)
D.(1.8, -0.7)

Answers

Answer:

a

Step-by-step explanation:

Molly bought 10 bags of the same dog food. She had a coupon for $5. She spent a total of$65. How much money was each of bags dog food?

Answers

Each bag of dog food was $7

$7
I am pretty sure the person above is right
65 (amount spent) +5 (coupon amount) is 70 and 70 (total cost) /10 (number of bags bought) is 7, which would be the individual cost

pwease i need help
i will give u a crown

Answers

Answer:

9

Step-by-step explanation:

6 ÷ 2(1+2) = ?

Parenthesis first:

6 ÷ 2(3) = ?

Then do the multiplication and division:

3(3) = ?

9 = ?

$20 in the ratio 3:7

Answers

3:7 = 10 (3+7)
20/10 = 2 (divide total by the parts)

3 x 2 = 6
7 x 2 = 14

In the ratio 3:7, 20 will be shared by 6 and 14

Hope this helps
Leave a like and brainliest

75
25
Simplify fraction to a mixed number

Answers

Answer:

75/25= 3 wholes

Step-by-step explanation:

Because 25*3=75 so it would be 3 wholes

A circle has a circumference of 46 meters. What is
the radius of the circle?

Answers

It’s rather half of that or double of that

Which graph best represente y 6x13

Answers

Answer:

B

Step-by-step explanation:

B is most likely to be the answer

Find the value of x Round your answer to the nearest tenth.
x
9
15

Answers

Answer 17.5

You take a and b multiple each by its self to find c^2 then find its square root then that’s the answer

what is the proportion of 3 over 7 = n over 28

Answers

Answer:

3/7 is equal to 12/28

Step-by-step explanation:

n equals 12 because 28 divided by 7 is 4. multiply 3 by 4 and get 12.

Answer:

n=12

Step-by-step explanation:

Because 28 divided by 7= 4 so you have to do the same on the top and 3*4=12

i need some help plsss asap

Answers

Answer:

a.8

i hope this is correct??!!

The correct answer is A)

WILL MARK BRAINLIEST NEED ANSWER ASAP

Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.
How old is Daniel now?

Answers

Answer:

Kevin's age = 24

Daniel's age = 8

Step-by-step explanation:

Just trust lol

Answer:

Kevin = 24

Daniel = 8

Step-by-step explanation:

Cassidy has a bag of 72 red beads and 90 blue beads. She would
like to use the beads to make bracelets that have the same ratio of
red to blue beads as in the bag.
how many red beads does it have?
If a bracelet has 15 blue beads,

Answers

Answer:

90 blue hostia colombia

Yup I think that’s it

Use the greatest common factor and the distributive property to write equivalent expressions in factored form.

20g + 24h =

Answers

Answer:

4(5g+6h)

Step-by-step explanation:

x is an integer and satisfies the following inequality. 5(x+4)<32 What is the maximum possible value for x?
a.6
b.3
c.2
d.0

Answers

Answer:

c.2

Step-by-step explanation:

5(x+4)<32

5(2+4)<32

10+20<30

Kiera randomly selected 35% of the eighth grade students in her school and asked them their favorite food in the cafeteria. Of the students surveyed, 60 chose chicken nuggets as their favorite food. Based on her school who would choose chicken nuggets as their favorite food served in the cafeteria?

Answers

Answer:

171

Step-by-step explanation:

Percentage randomly selected = 35%

Number of surveyed who chose chicken nugget = 60

To obtain the number who chose chicken nugget based on her school :

number who chose chicken nugget / Percentage randomly surveyed

60 ÷ 35%

60 ÷ 0.35

= 171.42

Approximately 171 students

Solve for x in the diagram below.
x
2x
(x+10)

Answers

The square mark indicates that it is a right angle which is 90 degrees.
x+2x+x+10=90
4x+10=90
-10 -10
4x=80
Divide both sides by 4
x= 20

The angles x°, 2x°, and (x + 10)° are complementary angles. Then the value of the variable x will be 20°.

What is an angle?

The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.

Complementary angle - Two angles are said to be complementary angles if their sum is 90 degrees.

The angles x°, 2x°, and (x + 10)° are complementary angles.

Then the sum of the angles x°, 2x°, and (x + 10)° will be 90°.

Then the equation will be

x° + 2x° + (x + 10)° = 90°

Simplify the equation, then the value of x will be

4x + 10 = 90

      4x = 80

        x = 20°

Thus, the value of the variable x will be 20°.

More about the angled link is given below.

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