In the afternoon, a television station reported the temperature as 3.7°F . That evening, they reported the temperature as −1.5°F .

Which expression represents the total temperature change from afternoon to evening?
A:
|−1.5+3.7|

B:3.7+(−1.5)

C:|3.7−(−1.5)|

D:−1.5+3.7

Answers

Answer 1

An expression is a way of writing a statement with a mathematical operation such as addition, subtraction, multiplication, and division.

If the temperature in the afternoon is 3.7°F and in the evening is -1.5°F

The expression that represents the temperature change from afternoon to evening is:

-1.5 - 3.7

Option D is the correct answer.

What is an expression?

An expression is a way of writing a statement with a mathematical operation such as addition, subtraction, multiplication, and division.

Example: 2x + 3 - 8 is an expression.

We have,

The temperature in the afternoon = 3.7°F

The temperature in the evening = -1.5°F

The temperature change from afternoon to evening:

= -1.5 - 3.7

= -5.2°F

Thus,

If the temperature in the afternoon is 3.7°F and in the evening is -1.5°F

The expression that represents the temperature change from afternoon to evening is:

-1.5 - 3.7

Option D is the correct answer.

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Related Questions

Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?
A. x = 5, y = 3

B. x = 4, y = 5

C. x = 3, y = 2

D. x = 2, y = 5

Answers

The third one is correct so it would be C.

Just substitute X and Y into the question.
C. x = 3, y = 2 im pretty sure hope i helped :) best of luck

The Scale on a map is 1 inch equals 5 feet what is the distance between two points on the map that are 8 1/2 inches apart on the map?

Answers

The answer would be 510 feet
42 1/2 feet. You multiply 8 1/2 by 5. 

Find the measure of ∠G.

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It is d I think I'm pretty sure plz give me the brainless answer plz I need it badly

What is the answer to this problem?

Answers

0.4 is 10 times as much as 0.04 and 0.1 is 10 times as much as 0.01 and 1/10 of 1
0.9 is 10 times as much as 0.09 and 1/10 of 9

Will mark Branliest Plz help

Answers

1 and 9/10, the other one I don't know sorry. The words...
A. (-1.6) - (0.3)
B. 1.9

On the first day of the year, you have $700 in your bank account. You spend $35 per week. Your friend starts the year with $450 in his bank account. He saves $15 per week.

Solve the equation 700 – 35w = 450 + 15w to find out how many weeks, w, it will take for you and your friend have the same amount of money in your accounts.

Answers

A number of weeks are 5.
So this is just a basic algebra equation where we need to solve for an unknown variable.

First we should put all the w's on one side and regular numbers on the other, so:

250  =  50w

If we divide by 50 on both sides, we get:

w  =  5

It will take 5 weeks for you and your friend to have the same amount of money in your back accounts.

N x 6/9 = 3/12

what is N?

Answers

1

 

Simplify n\times \frac{6}{9}n×​9​​6​​ to \frac{2n}{3}​3​​2n​​

\frac{2n}{3}=\frac{3}{12}​3​​2n​​=​12​​3​​


2

 

Simplify \frac{3}{12}​12​​3​​ to \frac{1}{4}​4​​1​​

\frac{2n}{3}=\frac{1}{4}​3​​2n​​=​4​​1​​


3

 

Multiply both sides by 33

2n=\frac{1}{4}\times 32n=​4​​1​​×3


4

 

Simplify \frac{1}{4}\times 3​4​​1​​×3 to \frac{3}{4}​4​​3​​

2n=\frac{3}{4}2n=​4​​3​​


5

 

Divide both sides by 22

n=\frac{\frac{3}{4}}{2}n=​2​​​4​​3​​​​


6

 

Simplify \frac{\frac{3}{4}}{2}​2​​​4​​3​​​​ to \frac{3}{4\times 2}​4×2​​3​​

n=\frac{3}{4\times 2}n=​4×2​​3​​


7

 

Simplify 4\times 24×2 to 88

n=\frac{3}{8}n=​8​​3​​


the zeros of the functions f(x) = 3x^2 - 3x - 6

Answers

The answer is: x = 2 ∨ x = -1

(10 points! Woah!)

Cindy joined a music club.
~During the first year she paid a $25 membership fee and got CDs for $5 each.
~During the second year the membership fee increased to $35, but the price of individual CDs
remained the same.

Cindy graphed two functions, showing the total cost of buying x, CDs in each of the two years.

Which statement is true of the graphs for year 1 and year 2?
Question 4 options:

The graphs for year 1 and year 2 have opposite slopes.

The graphs for year 1 and year 2 have the same slope.

The graph for year 1 is steeper than the graph for year 2.

The graph for year 2 is steeper than the graph for year 1.
Save

Answers

The graphs for year 1 and year 2 have the same slope.

Answer:

The graphs for year 1 and year 2 have the same slope.

Step-by-step explanation:

What is the first step you will use to solve this equation:

4x +2 = 7x - 13


Add 7x to both sides


Add 13 to both sides


Subtract 4x from both sides


Subtract 2 from both sides

Answers

subtract 4x from both sides

4x +2 = 7x - 13 would then simplify to

3x - 13 = 2 ( you can switch the problem around as long as you dont switch the variables around )

then you have to + 13 which simplifies to

3x = 15

then you divide by 3 which equals

x=5

What is the answer to
5y + 4 = 3y + 6

Answers

the answer would be y=1
The answer would be y=9

A photograph is reduced to 75% of its original size The photo was originally 12 inches by 16 into what are the new dimensions after it has been reduced to 75%?

Answers

I believe it would be 9 by 12 because 3/4 or 75% of 12 is 9 and 3/4 or 75% of 16 is 12.
75% of its original size

12 inches by 16 inches

the new dimensions would be :
0.75 * 12 = 9 inches 
0.75 * 16 = 12 inches

9 inches by 12 inches <==

combining like terms

simplify the expression
-r - 10r

Answers

-r-10r

 -r is = to -1r

 so you have -1r - 10r

 which simplifies to -11r

What is the median of 75, 63, 89, 91

Answers

First, put them in order from least to greatest. 63, 75, 89, 91. To find the middle number, add 75 and 89 together, 164, and divide by 2. The answer is 82.

A computer sells for $430 which is 75% reduction of the original price. What is the original price of the computer?

Answers

Divide 430 by 75 to get 1% of the price.
430 / 75 = 5.733333...
Multiply that answer by 100 to get the original price.
5.73333... x 100 = 573.3333...
That will be your answer.

To double check your work, you can multiply 573.333... by 75 to see if the number in the problem (which was 75% of the original price) matches.
573.3333... x 75 = 430.

Hope that helped! :)

Describe the different types of results that will occur when preforming transformation on equations that have one solution, no solutions or infinitely many solutions.

Answers

Just to let you know i did not write this someone else on brainly did

if the variables cancel out leaving u with an untrue statement, like 0 = 4 or 2 = 6, then u will have no solutions

if the variables cancel out leaving u with a true statement, like 2 = 2 or 4 = 4, then u will have infinite solutions

if u end up with a variable equaling a number, then u have 1 solution


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18+6(9k-13) Can someone please help me on this problem, you have to simplify to get the answer.

Answers

18+6(9k-13)
18+54k-78
54k-60

The twenty-six coins are all dollars and quarters, and they add up to seventeen dollars in value. How many dollars and how many quarters are there?

Answers

Answer:

Step-by-step explanation:

12 dollars

and 14 dollar coins

Answer: 12 quarters and 14 dollars

Step-by-step explanation:

Why do u think rates are usually written as unit rates

Answers

it simplifies it down to how many this happens in that if you know what i mean. like miles per hour. if a car drove 300 miles in 5 hours thats the rate. 300 to 5.. to simplify, divide 300 by 5. so youd know you were going 60 mph, and thats why unit rates are imprortant. do not copy this answer, change the words around a little bit

The rate usually written for the amount of things is changing in one unit.

What is the rate?

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

A rate in mathematics is the comparison of two related values expressed in different units. The numerator of the ratio indicates the rate of change in the other (dependent) factor if the base of the ratio is written as a cohesive block of one of these variables, and if it is assumed that this quantity may be modified systematically (i.e., is an independent variable).

The rate usually written for the amount of units anything in one unit of something.

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twice the difference of a number and 3

Answers

Twice the difference of a number and 3 will be as follows:

2x - 3

How to express words into an equation?

The statement says "twice the difference of a number and 3".

Let

the number  = x

Therefore,

twice the number = 2x

Finally, twice the difference of a number and 3 will be as follows:

2x - 3

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Julia has been saving money for a new Tv. The Tv normally costs $340 but is on sale for 30% off. How much money does Julia need to buy the tv?

Answers

There are two ways that this can be done. 
 You could find 30% of the original value and subtract that from the original value:

340*0.3=102
340-102=238

OR

You can multiply the original cost by 70% (100%-30%)
340*0.7=238

But either way the amount Julia will need to pay is $238

Defined by two lines or rays diverging from a common point.
A) arc
B) angle
C) parallel lines
D) perpendicular lines
Defined as bounded by two distinct end points that contain every point on the line between its end points.
A) circle
B) line segment
C) parallel lines
D) perpendicular lines

Answers

The first answer would be selection (b), an angle. Angles have rays or lines that emanate from a common starting point. The second answer would be selection (b), as well. A line segment contains the two end points as well as every point on that line in between.

1. B angle

2. B line segment

Further explanation

Let see the answer choices :

1 .

A) arc

is part of the circumference of a circle

B) angle

Angles can be formed from two ray lines that have the same starting point

Commonly used terms include foot angle, corner point, and angle size

The magnitude of the angle is usually expressed in degrees

Naming angles can be with one letter according to the vertex or with three letters with the vertex placed between two other letters

C) parallel lines

two lines that don't intersect each other at any point

D) perpendicular lines

the two lines intersect at a right angle.

So two lines or rays are diverged from a common point: angle

2 .

A) circle

Circles are two-dimensional builds which are sets of equidistant points at a point called the center point

The distance of these points to the center is called the radius of the circle

B) line segment

The line connecting two points and these two points is end points

C) parallel lines

two lines that don't intersect each other at any point

D) perpendicular lines

the two lines intersect at a right angle.

so bounded by two distinct end points that contain every point on the line between its end points: line segment

Learn more

circumference of the circle

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chord, diameter

https://brainly.com/question/9969022

the steps for constructing a copy of an angle  

https://brainly.com/question/4292471

Keywords: circle, arc , angle , parallel lines , perpendicular lines, line segment, end points, common point

The original price of a watch was $550. During a mid year sale, the selling price was $440. Find the percent discount

Answers

First, you would need to determine the discount amount. 
$550 - $440 = $110

Next, you would need to create an equation for this problem. Let x represent the unknown percent discount.
[tex] \frac{110}{550} [/tex] = [tex] \frac{x}{100} [/tex]

Cross multiply.
550x = 11,000

Now, all you would need to do is isolate the x. To do this, you would divide both sides of the equal sign by 550. 
x = 20
x = 20%

The percent discount was 20%. 

I hope this helps!

Final answer:

The percent discount for the watch is 20%.

Explanation:

To find the percent discount on the watch, we first calculate the difference in price between the original price and the sale price.

Subtract the sale price ($440) from the original price ($550) to get the discount amount: $550 - $440 = $110. Next, to calculate the percent discount, we divide the discount amount by the original price and then multiply the result by 100 to convert it to a percentage.

Percent Discount = ($110 / $550) × 100 = 20%

Therefore, the watch was sold at a 20% discount during the mid year sale.

Which of the following equations does not represent a proportional realtionship

Answers

based upon the others,  y+1=2x doesn’t seem proportional

4x+2x+3=54
what is the value of x

Answers

4x + 2x + 3 = 54

6x + 3 = 54

6x = 54 - 3

6x = 51

x = 51/6

x = 17/2    or 8.5

hope this helps, God bless!
Whenever you see thus you have to simplify.

The ratio of pens to pencils in Mrs. Bosworth's desk is 4:1. What does this mean?

Answers

If there are 4 pens there will be 1 pencil, if there is 1 pencil there will be 4 pens
If the ratio is factored to a number, let's say 3, then there will be 12 pens for every 3 pencils

Add 1 1/3+(−5/6) using the number line.

Answers

0.5 would be the answer because you are starting at 1 1/3 and moving 5/6 to the left 

how can you tell that a line segment connecting two points is vertical without graphing the points

Answers

They are intersecting lines if they are not parallel so the other option is that they are intersecting.

A line segment connecting two points is vertical without graphing the points are intersecting lines if they are not parallel.

What is a line segment?

A line segment is a straight line with finite length, and thus, have to endpoints(points on either ends).

For the Parallel lines, it must have the same slope since the slope is like a measure of steepness and since parallel lines are of the same steepness, thus, are of the same slope.

Since the given parallel line has equation y = 5x + 2, thus its slope is 5 and thus, the slope of the needed line is 2 too.

They are intersecting lines if they are not parallel. therefore, the other option is that they are intersecting.

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Enter the solution to the inequality in the box.



−9x−6≥−3(x−4)

Answers

I am not able to give the inequality symbol. I will be typing it as '>' only. I hope you will understand that it is greater than or equal to sign.

-9x - 6 ≥ -3x + 12
-9x + 3x ≥ 12 + 6
-6x ≥ 18
-x ≥ 3
x ≤-3
x + 3 ≤ 0
Range - ( -∞, 3]
Hope This Helps You!

For those of you who are confused like I was, the answer is x ≤ -3


Which fraction is equivalent to 1/2?



2/3


2/4


3/5


4/7

Answers

It would be 2/4. 2/4 simplifies to 1/2.
1/2 = 2/4 = 3/6 = 4/8 = 5/10 = 6/12 = 7/14 = 8/16 = 9/18 = 10/20 = 11/22 = 12/24 = 13/26 = 14/28 = 15/30 = 16/32 = 17/34 = 18/36 = 19/38 = 20/40
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