Mathematics Middle School

A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate of 3°C per hour. What was the temperature:
1 hour ago?
3 hours ago?
Half an hour ago?

Answers

Answer 1

Answer:

For one hour ago, it would be 3 C, 3 hours ago, it would be 9 C, and half an hour ago, it would be 1.5 C.

Step-by-step explanation: It's quite straightforward. Since the temperature is dropping, and you want to find the temp. of earlier times, just add 3C to every hour (1.5 for a half) it was ago, to what the temperature currently is now. (0 C).

Answer 2
1 hour is 3 Celsius, 3 hours is 9, and half an hour is 1.5 :D

Related Questions

I need assistance with this

Answers

Answer is 1 1/2 and -1 1/5

What is the least common denominator of the four fractions listed below? (50 points!)​

Answers

Answer:

100

Step-by-step explanation:

100^^cccffggggdfhhggfffft

Some 10-13 year olds were asked where to buy snacks. If 12% or 24 children, said a convenience store, how many children were asked to buy snacks?

Answers

Answer:

200 children

Step-by-step explanation:

so 12% is 24 children

12/24

simplify

1/2

1% is 2 children

multiply 1% by 100 to get 100%, along with 2 for the children

200 children

200 children

Because 20 children would be 1%

Modeling Real Life

Question:

At a town hall meeting, 37/50 of the members are present. Of those who are present, 1/2 vote in favor of a new park. What fraction of the members do not vote in favor of the new park?
Fraction:_______

Answers

Answer is 17.5
Half 37.5
Put it into a decimal
The answer is 17.5 hopes this help

In triangle JKL, JKL is a right angle, KM and is an altitude. JL=25 and JM=5, find KM

Answers

Answer:

50

Step-by-step explanation:

The area of a triangle is found using the formula bh/2, where b is the base and h is the height. What is the area in square inches of a triangle with a height of 6 inches and a base of 8 inches?

Answers

Answer:

A = 24 in^2

Step-by-step explanation:

A = 1/2 bh

Let b = 8 and h = 6

A = 1/2 (8)(6)

A = 24 in^2

Given :

The area of a triangle is found using the formula bh/2, where b is the base and h is the height. What is the area in square inches of a triangle with a height of 6 inches and a base of 8 inches?

Solution :

Given Data :

Height = 6 inches

Base = 8 inches

Formula for Area of traingle is :

[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: \: \star \: \: \: \red{ \underline{ \red{ \overline{ \orange{ \boxed{ \pink{\frak{Area \: of \: Triangle = \frac{1}{2} × Base × Height }}}}}}}}[/tex]

So, putting the values of Base and Height we get

[tex] \leadsto \frak{Area = \frac{1}{2} × 8 \times 6 }[/tex]

[tex] \leadsto \frak{Area = \frac{1}{ \cancel2} × \cancel 8 \times 6 }[/tex]

[tex] \leadsto \frak{Area = 4 \times 6 }[/tex]

[tex] \leadsto \frak{Area = 24 \: {in}^{2} }[/tex]

Hence, the area of the traingle is 24 inches²

Write an absolute value equation to satisfy the given solution set shown on a number line.

<————•—————————-•——————->
-1/2 1/2 a

Thanks!

Answers

/1/2/ sorry I don’t know how to do the straight line

An absolute value equation to satisfy the given solution set shown on a number line is -1/2 ≤ a ≤ 1/2.

What is magnitude and sign?

A number has both magnitude(its absolute value) and its sign(positive or negative).

Thus, for -5, the magnitude is 5, and sign is –ve.

Also, positive numbers > 0 > negative numbers.

In the number line we can clearly see that our possible values of a are in the range:

-1/2 ≤ a ≤ 1/2

And we need to find an absolute value equation such that this set is the set of possible solutions.

An example can be:

Ia - 1/2I ≤ 1/2

Notice; using the minor and equal sign, this is because the black dots means that the values a = -1/2 and a = 1/2 are included, if the dots were empty dots, it would be an open set and we should use the <  > signs.

Learn more about this concept;

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PLS HELP IM GONNA FAIL MATH
How long is the fence around a circular field with a radius of 340 ft.?

Answers

Answer:

so you are trying to find the circumference and the formula is 2πr

so the answer is 2 × 3.142 × 340 ft = 2136.56 ft

I think that's the answer

The answer would be 2 x 3.14 x 340ft = 2021.60

PLEASE HELP QUICK!
√9=?

Answers

Answer:

The square root of 9 is 3

Step-by-step explanation:

Calculator

Please help me!!! ASAP!

Answers

B. For every 3 rabbits there are 8 total animals.

Answer:

the answer is b

3 and 8 times two equals 6 and 16

In triangle JKL, JKL is a right angle, KM and is an altitude. JL=20 and ML=15, find KL

Answers

Answer:

KL = 17.32

Step-by-step explanation:

KL² = (M L)(J L)

KL² = (15)(20)

KL²=300

√KL²= √300

KL = 17.32

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Hii, (game show to help me with this question, be ready pumpkins!)

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Which equation can be used to solve the problem?

750 is 150 percent of what?


WINNER=BRAINLIEST AND MOVES ON THE THE SECOND ROUND GOOD LUCK FIRST TO ANSWER

Answers

Answer:

750/150 * 750/x

Step-by-step explanation:

Answer:

One equation that can be used is this: 7.50 * 150 =

The other equation is 750% of 150.

Hope this helps!

I have too much brainliest so the other one can have it.

pls help me i dont get this at all!!!!! ASAPP

Answers

what in the 6 grade math ?

Answer:

It's the green one, and the percentage is 2/5 (40%)

Step-by-step explanation:

Explanation: There were 600 total tickets sold, 240 of them being for the Saturday performance. The question is asking what percent of the total tickets sold were for the Saturday performance, so you do 240/600 which is 2/5 (0.40, 40%). As for the diagram, you kinda just figure out which one has the "?" 2/5ths along the way of the diagram. Hope this helps for your question, and explain the problem for future reference.

An adult ticket is twice the cost of a child's ticket. Angela paid $ 28 for two adult tickets and three children's tickets. Which of the
following equations could be used to find the price of a child's ticket?
(A) x + 2x = 28
(B) 3x + 2(2x) = 28
(C)3(2x) + 2x = 28
(D) 3x + 2x = 28

Answers

B = 3 x + 2 ( 2x ) = 28

The following equations could be used to find the price of a child's ticket,  3x + 2(2x) = 28, the correct option is B.

What is an Equation?

An equation is a mathematical statement formed when two expressions are equated using an equal sign.

The equations are useful in determination of unknown parameters.

The equations are of various types, such as Trigonometric equations, quadratic equations.

The system of equations are used to solve complex problems.

Let the cost of child ticket is $x

An adult ticket is twice the cost of a child's ticket.

Let the cost of adult ticket is $2x

The total amount Angela paid is $28 for two adult tickets and three children's tickets.

The equation that will be formed is

4x + 3x = 28

It can also be written as 3x + 2(2x) = 28.

To know more about Equation

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i shall give the right answer brainliest

Answers

Answer:

D i think

Step-by-step explanation:

Answer:

I belive it is 4 to the power of 7

Step-by-step explanation:

A right triangle has sides of length 3, 4, and x. Find x if it is the hypotenuse.

HELP ME PLEASE

Answers

Answer:

5

Step-by-step explanation:

The rules for the hypotenuse is side a^2+side b^2=hypotenuse^2

a=3

b=4

3^2=9

4^2=16

9+16=25

5^2=25, so 5 is the hypotenuse.

:)

Rearrange the equation so xxx is the independent variable.
-5x-4y=-8
y=

Answers

Answer:

[tex]\displaystyle x = \frac{4y - 8}{-5}[/tex]

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

[tex]\displaystyle -5x - 4y = -8[/tex]

Step 2: Solve for x

[Addition Property of Equality] Add 4y on both sides:                                   [tex]\displaystyle -5x = 4y - 8[/tex][Division Property of Equality] Divide -5 on both sides:                                [tex]\displaystyle x = \frac{4y - 8}{-5}[/tex]

Answer:

4y-8/ -5

Step-by-step explanation:

What is the y-intercept y = -6x - 5


1. (0, -5)


2. (5, 0)


3. (0, 5)


4. (-5, 0)

Answers

Answer:

(0,-5)

Step-by-step explanation:

Hope this helps :)

Hello. The y-intercept is (0,-5).

need help or some explaining

Answers

Answer:

Add all points to the drawing, then subtract the result,

Step-by-step explanation:

all the points together than subtract the total

Is what I did correct if not then what is the answer

Answers

Answer:

Yes it is correct

Step-by-step explanation:

Answer:

You're correct!

Subtract 47 from both sides.

j = 55 - 47

Simplify 55 - 47 to 8.

j = 8

HELP HELP HEL[P HELP HELP HELP HELP

sorry about the wrong file



write the answer in the comments section

Answers

Answer:

15

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

How to calculate distance between two points (-3,2) and (3,0).
And pls find the radical

Answers


√74
Explanation:
To calculate the distance use the
distance formula
d=√(x2−x1)^2+(y2−y1)^2

−−−2
where
(x1,y1)and (x2,y2)
are 2 coordinate points
The 2 points here are (-3 ,7) and (4 ,2)
let(x1,y1)=(−3,7) and (x2,y2)=
(4,2)⇒d=√(4−(−3))2+(2−7)2=√49+25=√74←in radical form
I think it’s y=3x-9?

if tenths of 5 + sqrt 11 is A and 5 - sqrt 11 is B and C is A+B. find c.
help me plzz!

Answers

Answer: 1.5

Step-by-step explanation: Given:

                                       A=1/10×5 + 11²

                                        B= 5 - 11²

                              If     c = A + B

                                      c = ( 1/10×5 +11²) + ( 5 - 11² )

                                              = ( 5/10 + 121) + ( 5 - 121)

                                                = ( 121.5) + ( -120)

                                                    = 121.5 - 120

                                                    =  1.5  

the answer your looking for is 1.5

i neeed help. this is due today

Answers

Answer:

I’d say letter A

Answer:

I think is D

Step-by-step explanation:

Because that part explains the most what will happen

Which fractions are equivalent to 40%? Check all that apply.
StartFraction 8 Over 100 EndFraction
Two-fifths
StartFraction 8 Over 20 EndFraction
StartFraction 4 Over 10 EndFraction
StartFraction 16 Over 40 EndFraction
btw: its a multiple choice question

Answers

8/20, 4/10 this is the answer also 16/40

Please help me I will give you brainliest Please help meeeee


Please answer all questions please

Answers

Answer:

alexander

Step-by-step explanation:

Answer:

Step-byit is alexander

(07.06) Which of the following graphs shows all the possible values for a number that is more than 8?

Answers

I believe the answer is D.
Answer: D

The open circle represents the solid "equal to" statement. Colored in circles represent "greater/less than or equal to."

PLEASE HELP SOON AND TRY TO EXPLAIN.
Prove that if a, b, c, d are non zero real numbers, not all equal, and if a+1/b=b+1/c=c+1/d=d+1/a then |abcd|=1. Thx!

Answers

Answer:

because any number over 0 is 0 and if   |abcd|=1 that it is not possible to be 0

Step-by-step explanation:

It’s possible it could be zero but it could also be one

help me and i will mark you the brainlyist

Answers

1a. n ≤ 21
1b. n ≥ 5
1c. n > 3/5

2d. n < 14
2e. n ≥ 14
The answer is what the guy above said

Solve for x: 4x+9/2 1/3=3x/0.5

Answers

Answer:

1/3

Step-by-step explanation:

It’s 1/3 hopefully this helps you
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