Your friend tells you that at 1:00 pm the temperature outside was 67 degrees Fahrenheit and at 5:00 pm, that same day, the temperature was 65 degrees Fahrenheit. He also states that the average rate of change of the temperature between 1:00 pm and 5:00 pm increased by 2 degrees Fahrenheit. Determine if your friend is correct ?

Answers

Answer 1

Answer:

Incorrect

Step-by-step explanation:

Average rate of change is

(65 - 67) / (5:00 - 1:00)  = -½°/hr


Related Questions

When Lucia plays golf at the Rolling Hills golf course, she loses about 12 balls on average. When she plays golf at the Meandering Meadows golf course, she loses about 8 balls on average. If Lucia lost approximately 100 balls after playing at Rolling Hills rr times and Meandering Meadows mm times, which of the following equation best represents the relationship between rr and mm?


When Lucia plays golf at the Rolling Hills golf course, she loses about 12 balls on average. When she plays golf at the Meandering Meadows golf course, she loses about 8 balls on average. If Lucia lost approximately 100 balls after playing at Rolling Hills rr times and Meandering Meadows mm times, which of the following equation best represents the relationship between rr and mm?


8r+12m=1008r+12m=100

12r+8m=10012r+8m=100

12r-8m=10012r−8m=100

8r-12m=1008r−12m=100

Answers

The relationship between the number of balls Lucia lost at the golf

courses can be expressed as an equation.

The equation that best represents the relationship between r and m is; 12·r + 8·m = 100

Reasons:

The given parameters are;

The number of balls Lucia loses at the Rolling Hills, r = 12 balls

The number of balls Lucia loses at the Meandering Meadows, m = 8 balls

The total number of balls Lucia lost after playin at Rolling Hills and Meandering Meadows = 100 balls

The relationship between r and m is therefore;

Number of balls lost at Rolling Hills + Number of balls lost at Meandering Meadows = 100

12 × r + 8 × m = 100

12·r + 8·m = 100

The equation that best represents the relationship between r and m is therefore; 12·r + 8·m = 100

Learn more mathematical word problems here:

https://brainly.com/question/20425634

10. Is it possible for a regular polygon to have 240° as the measure of each of its interior
angles?

Answers

Step-by-step explanation:

No, it is not possible for a regular polygon to have 240° as the measure of each of

its interior angles.

according to the formula:

A = 180 - (360 /n)

where A is the interior angle

therefore, the A could be less than 180°

If a recipe for a cake calls for 2 1/2 cups of flour and Mary wishes to make 3 cakes, how many cups of flour does she need A. 6 B. 6 1/2 C. 7 1/2 D. 9 E. 9 1/2

Answers

Answer:

option C 7½ is correct hope this answer helps you dear! take care

8x + 1/3 = 2/3 what is the answer?

Answers

Answer:

1/24

Step-by-step explanation:

8x + 1/3 = 2/3

    - 1/3   - 1/3

8x = 1/3

8x/8 = (1/3)/8

x = 1/24

cite a real life situation that describes the concept of direct and inverse variation. create your own word problem and answer it. present your answer with table of values, graph and equation

A need a appropriate answer, thanks...​

Answers

Step-by-step explanation:

An example of direct variation would be the relationship of distance with time when speed is constant.

d = st

Let's assume you travel at the speed of 60 mph. The distance at 0, 0.5, 1, 2 hours would be 0, 30, 60, 120 miles.

d = 60t

This is a linear relationship and produces a graph of line.

See the graph.

--------------------

An example of inverse variation would be the time to complete the same work as number of workers increase.

t = w/p, where w is work (constant), p- number of workers

Assume 5 workers complete wok in 20 days, 10 workers do same in 10 days, 20 workers do in 5 days.

t = 100/p

This relationship produces a curved line.

See the graph.

Henry is investing at a continuously compounded annual interest rate of 4.4%. How many years will it take for the balance to triple? Round your answer up to the nearest whole number, and do not include units in your answer.

Answers

The number of years it would take the amount to triple is 25 years.

The formula that would be used to determine the number of years it would take the balance to triple is:

FV = PV  x [tex]e^{r}[/tex]N

Where:

n = number of years fv = future value PV = present value e = 2.7182818 r = interest rate

3 = [tex]e^{0.044}[/tex]N

Take the log of both sides

log(3) / log(e) /  (0.044) = 25 years

A similar question was answered here: https://brainly.com/question/7133042

If you deposit $400 into an account that offers a 5% interest rate. How much interest will you earn after 1 year?​

Answers

Answer:

Answer: The answer is $20

Multiply 400 by .05 or 5%.

If you wanna know 6 years it would be 536 usd

Explanation:

This would be an compound interest. Meaning that your gain every year would increase exponentially.

The equation to calculate this would be: Kn = K0⋅

(1+p100)n Kn is your savings after the period nK0 is your starting deposit p is the percentage n is the period of interest for your example we would have.

Kn=400⋅

(1+5100)6

Step-by-step explanation:

CREDIT FOR ANSWER GOES TO  

calderonj4588

a line has a slope of -19/8 and passes through the point (0,12). what is its equation in slope intercept form​

Answers

Answer:

y=-19/8x+12

Step-by-step explanation:

Slope intercept form is

y=mx+b

m is slope

b is y-intercept

So we already know what the slope is so we can plug that in

y=-19/8x+b

Now  with the point we can substitute x and y with the point values

[Remember a point is (x,y)]

0 is x

12 is y

12=b

So the slope intercept form of this is

y=-19/8x+12

Hope this helps!

Which of the diagrams shows an exponential graph?

Answers

Answer:

Diagram "C"

Step-by-step explanation:

The curve eventually shows that it is an exponentially graph

9w=8w-5
[tex]9w=8w-5[/tex]

Answers

Answer:

9w=8w-5

collect like terms

9w-8w=-5

w=-5

its a joke but how come hotdog buns are pact in 8 and hotdog meat is pact in 10

Answers

Answer:

every 5 bun packs : 4 hotdog meat pack

5:4

Step-by-step explanation:

simplify √6+3√6 please and thank you

Answers

Answer:

4√6

Step-by-step explanation:

√6 is a common factor on either side of the plus sign.

Therefore you can use the distributive property to get it out as a common factor. If you do not know what the distributive property is, then you can just say that √6 is a common factor.

√6(1 + 3)            Combine the like terms in the brackets.

√6(4)   or

4√6

Answer:

Exact Form: 4√6

Decimal Form: 9.79795897...

Step-by-step explanation:

Please vote brainliest!

helpppppppppp WILLLL GIVE BRAINLISTTTTT

Answers

I’m thinking 9 if you add both equations together then you’ll have 2x+x and y-y=5+4
3x=9
If you wanted to go further then it would be x=3 but for this I’d say the answer is 9

Solve for x. Round your answer to the nearest tenth.

Answers

Answer:

-x + 20

Step-by-step explanation:

13-x+3+4

13 - x + 3 - 3 = 4 + 3

13 - x = 7

= -x + 7 + 13

= -x + 20

#Carry on Learning

Mrs. Salcido cut a small birthday cake into 6 equal pieces for 6 children one child was not hungry, so she gave the birthday boy a piece. draw and label a tape diagram to show how much each of the 5 children receive. need answers ASAP for 93 point

Answers

Answer:

Is there a reference? there's insufficient information.

Step-by-step explanation:

|a| if a>0
Please help!

Answers

Answer:

Step-by-step explanation:

the absolute value bars mean we ignore the sign of the variable

As (a) is always positive for a>0,   |a| = a

For contrast, If the range were a<0 where (a) is always negative, then |a| = -a

Answer:

1/a > 0

Step-by-step explanation:

Find an equation for the perpendicular bisector of the line segment whose endpoints
are (2, -1) and (6, -9).

Answers

Answer:

x-2=y+1

Step-by-step explanation:

here is ur answer

The staff at a company went from 40 to 29 employees. What was the percent change in the number of staff?

Answers

Answer: 27.5% decrease in the staff

Step-by-step explanation:

A forest covers 48,000 acres. A survey finds that 0.6​% of the forest is​ old-growth trees. How many acres of​ old-growth trees are​ there?

Answers

Answer:

288

Step-by-step explanation:

48000*0.6/100=288

Answer:

[tex]0.06 * 48 000 = 2,880 acres[/tex]

Cheers :D

Find the number N , such that when 1 ÷3
of it's added to 8 , the results is the same as when 1÷2 of it is subtracted from 18​

Answers

Answer:

Step-by-step explanation:

8 + N/3 = 18 - N/2

N/3 + N/2 = 18 - 8

2N/6 + 3N/6 = 10

5N/6 = 10

N = 10(6/5)

N = 12

Answer:

N=12

Step-by-step explanation:

Set up an equation involving N

(1/3)N+8=18-(1/2)N

We want to clear the denominator to start with by multiplying everything on both side by 6

2N+48=108-3N

Move all the N's to one side and the number to the opposite

5N=60

Divide by 5

N=12

Check:

(1/3)12+8=18-(1/2)12

4+8=18-6

12=12

f x and r are inversely proportional and x = 9 when r = 72, then what is x when r = 40?

Answers

Answer:

16.2

Step-by-step explanation:

r = k/x

when x = 9 and r = 72 ,

72 = k/9

k = 72*9

When r = 40 ,

x = k/r

x = 72*9/40 = 16.2

Find the equation for the linear function based upon this table. y = mx + b


y -6 -2 2 6 10
x -4 -2 0 2 4

Answers

Answer:

y = 2x + 2

Step-by-step explanation:

for each rise of 4 in y

there is a run of 2 in x

m = rise/run

m = 4/2

m = 2

when x = 0, y = 2

therefor the y-intercept, b = 2

y = mx + b

y = 2x + 2

Would appreciate the help

Answers

Answer:

The probability of obtaining exactly 3 tails is on the tosses is 1/8.

Step-by-step explanation:

P(all tails)= P(nickel tails)P(dime tails)P(quarter tails)

P(all tails)= (1/2)(1/2)(1/2)

P(all tails)= 1/8

Assume each choice is random and equally likely. What is the probability that someone gets a bowl of ice cream, with two scoops of vanilla?

Answers

Answer:

1/4

Step-by-step explanation:

Solution: as shown in the figure,

2/8 = 1/4

Answer:

3

Step-by-step explanation:

i thing

1 2/15 + -3 1/2 in simplest form​

Answers

1 2/15 + -3 1/2

17/15 - 7/2

17/15 Multiply by (2) = 34/30

7/2 Multiply by (15) = 105/30
Subtract
34/30 - 105/30

-74/30

- 2 14/30 divide by 2 ( 7/15)

- 2 7/15

Help !!

There’s Two Truths and One Lie
Below are three statements. 2 are true and one is not. Which one of the
statements is not true? Explain how you know this.

1) To solve x - 3 = 6, you could add 3 to both sides.

2) To solve x - 3 = 6, you could subtract 3 from both sides.

3) To solve x - 3 = 6, you could think of a number that when you subtract 3 would
give you 6.

Use the ( RACE )method to answer. Type your answer in the box below using complete
sentences. Your answer should have at least 2-3 sentences.
R: Restate the problem
A: Answer the question
C: (not used in math)
E: Explain

Answers

Answer:

1 & 3 correct, not sure how race method is used but it should be enough

Step-by-step explanation:

1 is correct since when you add 3 to -3 you get zero and leaves x on the left of the equal sign. then it's equally on both side so you add 3 to 6

2 isn't correct, -3-3 gives -6 and x-6=3 won't give much of an answer

3 is also correct. You basically think "a number that's 6 when you take away 3? could it be 9?" then you try and go 9-3? yes it's 6.

Your school ID is a 5-digit number. The 9 is in the thousand place, the 0 is in the ones place, an 8 is in the thousands place, a 4 is in the tens place and a 2 is in the hundreds place. What is your school ID number?​

Answers

Answer:

89240

Step-by-step explanation:

_ 9 _ _ _ is in the thousands

_ 9 _ _ 0 is in the ones

going to assume you meant 8 is in ten thousands

8 9 _ _ 0 is in ten thousands

8 9 _ 4 0 is in tens

8 9 2 4 0 is in hundreds

School number is 89240

Answer: 98,240

What we are doing here is changing from expanded form into standard form.

To do that, you add all the place values to get the total number. So, our place values are:

10,000 - Ten Thousands Place

1,000 - Thousands Place

100 - Hundreds Place

10 - Tens Place

Now, we will need to look at the problem.

It says, The 9 is in the ten thousand place, the 0 is in the ones place, an 8 is in the thousands place, a 4 is in the tens place and a 2 is in the hundreds place.

According to the question, the 9 will be in the Tens Thousands Place, so our first number will be, 90,000.

The 8 will be in the Thousands place, so our second number will be 8,000.

The 2 will be in the Hundreds place, so our third number will be 200.

The 4 will be in the Tens place, so our fourth number will be 40.

Since the one's place is 0, we don't need to worry about that number.

Putting the answer in an equation, it will be like this,

90,000 + 8,000 + 200 + 40

Now we can add.

Adding these numbers up will equal to, 98,240.

Therefore, the answer is 98,240.

Find the missing side of the triangle. Round to the nearest tenth where necessary find qr

Answers

Answer:

QR = 4.9 ft

Step-by-step explanation:

Since the triangle is a right triangle, use the Pythagorean Theorem (a² + b² = c²).

[tex]a^2+b^2=c^2\\\\a^2+1^2=5^2\\\\a^2+1=25\\\\a^2=24\\\\\sqrt{a^2}=\sqrt{24}\\\\a=4.9[/tex]

Maria spends 9/10 hour on her art project. Juan spends 2/6 hour on his art project. Which answer is the most accurate estimate for how much more time Maria spends on her art project than Juan spends on his?

A. 0 hrs
B. 1/2 hrs
C. 3/4 hrs
D. 1 hr

Answers

Answer:

B. 1/2 hrs

Step-by-step explanation:

make the denominator the same

27/30         10/30

27-10= 13

13/30

a half is 15/30 and it's the closest answer since the question said estimate.

I need help!!! Answer asap plz
A number cube will be rolled 100 times as part of an experiment. Which calculation would you use to predict the number of times a 4 will be rolled?
A. (36)(1/4)
B. (100)(1/4)
C. (100)(1/6)
D. (36)(1/4)
No links please

Answers

C, because you roll 100 times, and you want to find out how many times you got the number 4. This may make it seem like you should use 1/4. However, 4 is only one number out of the six possible numbers. Therefore, c is correct
A & D, as its to my understanding, you’ve put the same answer for the two. therefor it could be either
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