Answer:
A.slope = 6, y-intercept = -1/3
Step-by-step explanation:
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?
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).
Which of the following equations results in no solutions?
A 3(v + 5) = 2v - 4 + v
B 3(v + 5) = 2v + 15 + v
C 3(v + 5) = 2v + 15
D 3(v + 5) = 2v - 4
Answer:
[tex]\boxed{\sf A) \:3(v + 5) = 2v - 4 + v}[/tex]
Step-by-step explanation:
[tex]\sf A )\:3(v + 5) = 2v - 4 + v[/tex]
Combine like terms:
[tex]\sf 3\left(v+5\right)=3v-4[/tex]
Expand:
[tex]\sf 3v+15=3v-4[/tex]
Subtract 15 from both sides:
[tex]\sf 3v+15-15=3v-4-15[/tex]
[tex]\sf 3v=3v-19[/tex]
Subtract 3v from both sides:
[tex]\sf 3v-3v=3v-19-3v[/tex]
[tex]\sf 0=-19[/tex]
[tex]\boxed{\sf{No\:Solution}}[/tex]
_________________
[tex]\sf B )\:3(v + 5) = 2v + 15 + v[/tex]
Combine like terms:
[tex]\sf 3\left(v+5\right)=3v+15[/tex]
Expand:
[tex]\sf 3v+15=3v+15[/tex]
Subtract 15 from both sides:
[tex]\sf 3v+15-15=3v+15-15[/tex]
[tex]\sf 3v=3v[/tex]
Subtract 3v from both sides:
[tex]\boxed{\sf 0=0}[/tex]
_______________________
[tex]\sf C)\: 3(v + 5) = 2v + 15[/tex]
Expand:
[tex]\sf 3v+15=2v+15[/tex]
Subtract 15 from both sides:
[tex]\sf 3v=2v[/tex]
Subtract 2v from both sides:
[tex]\sf 3v-2v=2v-2v[/tex]
[tex]\boxed{\sf v=0}[/tex]
_______________________
[tex]\sf D)\: 3(v + 5) = 2v - 4[/tex]
Expand:
[tex]\sf 3v+15=2v-4[/tex]
Subtract 15 from both sides:
[tex]\sf 3v+15-15=2v-4-15[/tex]
[tex]\sf 3v=2v-19[/tex]
Subtract 2v from both sides:
[tex]\sf 3v-2v=2v-19-2v[/tex]
[tex]\boxed{\sf v=-19}[/tex]
___________________________
What is the volume of this solid?
Most Precise Answer = Round to the nearest hundredth
Approximate Answer = Round to the nearest tenth if necessary.
Answer:452.4
Step-by-step explanation:
Firefighters need to cross from the roof of a 25-feet-tall building to the roof of a 35-feet-tall building by using a ladder. The buildings are 20 feet apart. What minimum length does the ladder need to be in order to span the two buildings?
Point Q is plotted on the coordinate grid. Point P is at (20, −30). Point R is vertically above point Q. It is at the same distance from point Q as point P is from point Q. Which of these shows the coordinates of point R and its distance from point Q?
"On a coordinate grid from negative 50 to positive 50 in increments of 10, Point Q is plotted at the ordered pair negative 40, negative 30."/>
On a coordinate grid from negative 50 to positive 50 in increments of 10, Point Q is plotted at the ordered pair negative 40, negative 30.
Point R is at (−40, 30), a distance of 60 units from point Q
Point R is at (−40, −10), a distance of 20 units from point Q
Point R is at (−40, −30), a distance of 60 units from point Q
Point R is at (−40, 10), a distance of 20 units from point Q
Answer:
Point R is at C
Step-by-step explanation:
Answer:
answer 2 is the correct one!
Point R is at (−40, −10), a distance of 20 units from point Q
Hope this helps!
Please mark this brainliest
Ben’s living room is a rectangle measuring 8 yards by 180 inches. By how many feet does the length of the room exceed the width?
Write the coordinates of two points that are the given distance from these points and horizontal/vertical:
6. 5 units from (–1, –2) ( , –2) and ( , –2) _______________________
7. 8 units from ( 2 , 4 ) ( 2 , ) and ( 2 , ) _______________________
8. 3 units from (–7, –5) (–7, ) and (–7, ) _______________________
9. 6 units from ( 4, –1) ( 4 , ) and ( 4 , ) _______________________
10. 10 units from (–1, 9) ( , 9 ) and ( , 9 ) ______________________
11. 7 units from (–3 , 2) ( , 2 ) and ( , 2 ) ____________________________
Answer:
5 units from (–1, –2) ( , –2) and ( , –2) ____-1,-6_______________
7. 8 units from ( 2 , 4 ) ( 2 , ) and ( 2 , ) _____6,4______________
8. 3 units from (–7, –5) (–7, ) and (–7, ) ___-7,-19______________
9. 6 units from ( 4, –1) ( 4 , ) and ( 4 , ) ____4,7________________
10. 10 units from (–1, 9) ( , 9 ) and ( , 9 ) _____-1,8______________
11. 7 units from (–3 , 2) ( , 2 ) and ( , 2 ) __-3,6_________________
PLZ ANSWER AS SOON AS YOU CAN!!!!!!!!!!!
The tables show the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements.
Cara's Flower Arrangements
White 3 6 9 12 15
Yellow 5 10 15 20 25
Hector's Flower Arrangements
White 4 8 12 16 20
Yellow 6 10 14 18 22
Part A
Are the numbers of white and yellow flowers in Cara's arrangements proportional?
Which equation relates the number of white flowers, w, to the number of yellow flowers, y?
A. Yes; y=35w
B. Yes; y=53w
C. No; y=3w+5w
D. No; y=5+3w
Part B
Are the numbers of white and yellow flowers in Hector's arrangements proportional?
Write an equation to relate the number of white flowers, h, to the number of yellow flowers, e.
A. Yes; e=32h
B. Yes; e=23h
C. No; e=h+2
D. No; e=h−2
Answer:
Part A - Yes; y=5/3w Part B - No; e=h+2
Step-by-step explanation:
The tables show the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements.
Cara’s Flower Arrangements Proportional
White 3 6 9 12 15
Yellow 5 10 15 20 25
Hector’s Flower Arrangements Not Proportional
White 4 8 12 16 20
Yellow 6 10 14 18 22
Part A
Are the numbers of white and yellow flowers in Cara’s arrangements proportional?
Which equation relates the number of white flowers, w, to the number of yellow flowers, y?
Yes; y=3/5w
Yes; y=5/3w CORRECT ANSWER
No; y=3w+5w
No; y=5+3w
Part B
Are the numbers of white and yellow flowers in Hector’s arrangements proportional?
Which equation relates the number of white flowers, h, to the number of yellow flowers, e?
Yes; e=3/2h
Yes; e=2/3h
No; e=h+2 CORRECT ANSWER
No; e=h−2
They are correct because Part A is 1.666667 thats more than 1 so it cant be the first, and Part B, its the White flowers plus 2 to be Yellow flowers, not -.
5x + 7y = 25
Neeed it
Answer: x = 5 + -1.4y
Step-by-step explanation:
help me plz
evaluate the expression when b=5
4b²
Answer:
100
Step-by-step explanation:
hope this helps! :D
have a miraculous day!! <3
I need help with this please
Answer:
(3,20)
Step-by-step explanation:
hope this helps!
HELP PLS I BEG OF U-
20 points! This is not apart of game show i just need help!
)
The family likes peaches and other fruits. The local farmer’s market is selling fresh peaches at a discounted price. If the farmer’s market sold 35% of its produce and has 280 peaches remaining, how many peaches did it originally have on hand? Show all your work and explain how you used equivalent ratios to solve the problem. (2 points)
Answer:
Sorry for the super late answer but here:
Step-by-step explanation:
If it sold 35% and now there is 280 remaining, that means that they produce 280 x 135%. That is also equal to 280 x 1.35. The equation is equal to 378 remaining. Please give me brainiest if you see this. However, it is ok if not since this is a super late answer plus I didn't use equivalent ratios.
find -3(-1.25) (I cant screenshot it sorry!) HELP PLEASE
-----------------------------------------------
-4 -3 -2 -1 0 1 2 3 4
Answer: 1.25
Step-by-step explanation:
Identify the parts of the expression 4.2m + (8 , 2) - 6.
a. What are the terms of the expression?
b. Which term is the product of two factors?
c. Which term is a quotient?
d. Which term is a constant numerical value?
Answer:
Step-by-step explanation:
C because the problem has a bracket in between which clarify the statement as a quotient
k = -45 ÷ (-15).
-3
-9
3
9
Answer:
3
Step-by-step explanation:
-45÷-15 is the same as 45÷15 because both are negative
Answer:
3
Step-by-step explanation:
k = [tex]\frac{-45}{-15}[/tex]
The following tiles are put into a bag. One tile will be picked at random. Find the probability that this tile will be a vowel.
Answer:
53.33% or 0.5333
Step-by-step explanation:
you have to count how many tiles in total then the amount of vowel tiles. you then put that in to a fraction of vowels over consonants then convert that into a percentage
Simplify the expression. Drag and drop a number into each box to complete the simplification.
8 × (30 ÷ 15)2 + 3 = 8 × (___)2 + 3
= 8 × ___ + 3
=____ + 3
=____
numbers to drag and drop: 51, 32, 38, 4, 35, 2
Answer:
8 × (30 ÷ 15)2 + 3 = 8 × (2)2 + 3
= 8 × 4 + 3
=32 + 3
=35
Step-by-step explanation:
Answer: 35
Step-by-step explanation: Mark brainiiest please
-4(-6x + 4) ?
(including steps please!) :D
Answer:
-32
Step-by-step explanation:
first you need to find the unknown #(.666) and multiple it by 6 then add 4 then times 8 by for to get - 32.
Answer:
24x - 16
Step-by-step explanation
What we're doing here is factorisation
To factorise a number, you need to multiply the number outside of the bracket (in this case -4) by both of the inside numbers (-6x and 4).
First,
-4 x -6x
-4 x -6x = 24 , The x also needs to be kept- coming from the -6x, so the answer would be 24x.
You may think that because there are minuses involved, the answer would be -24x but you need to remember the rule that 2 negatives make a positive!
Next,
Multipying the outside number by the second inside again:
-4 x 4 = -16
Alongside the rule that two negatives make a postive, another rule is that one negative and one positive always result in a negative.
Finally,
Connect both of these answers
24x - 16 is the answer!
(The minus/negative symbol in the final answer is because the second multipication turned out negative, if the second number was positive, the answer would be 24x + 16.)
what is 1+1-1
its a test and its impossible to solve
Answer:
1
Step-by-step explanation:
Uh yeah the answer is 20 1/12 but could you tell me the step by step process for this
ty!
WORTH 15 POINTS!!!
First, let's do the numerator! 4.8 - 0.24 = 4.56. Now, let's simplify the denominator. 0.2 * 0.6 = 0.12
4.56 / 0.12 = 38
Hope this helps :)
Answer: 38 is the correct answer
Step-by-step explanation:
This meal costs 11. The 5 coupon is applied, followed by a 7 sales tax rate. What is the total with the discount and tax?
HELPP! How many 3 digit numbers have a product of the digits that equals sixty?
Answer:
24
Step-by-step explanation:
Let's see the factor pairs of 60 first.
1,60
2,30
3,20
4,15
5,12
6,10
10,6
12,5
15,4
20,3
60,1
1,60 and 60,1 is not possible for xy1 and 1xy. It is because any one digit*one digit=not 60. The remaining pairs are...
2,30
3,20
4,15
5,12
6,10
10,6
12,5
15,4
20,3
30,2
Next, start with 2,30 and 30,2
The one digit factor pairs of 30 is 5 and 6.
So...
256 is possible
265 is possible
562 is possible
652 is possible
3,20
4,15
5,12
6,10
10,6
12,5
15,4
20,3
+4
Next, 3,20 and 20,3
20=4*5
453,543,345,354
4,15
5,12
6,10
10,6
12,5
15,4
+8
4,15 and 15,4
4 number that are possible(5*3=15)
5,12
6,10
10,6
12,5
+12
5,12 and 12,5
3,4 and 2,6
526,562,534,543,435,345,265,625
6,10
10,6
+20
10=5*2
+4
20+4=24
(Sorry it's long)
The number of the 3 digit numbers have a product of the digits that equals sixty will be 24.
What is a number system?Expression in maths is defined as the relation of numbers variables and functions by using mathematical signs like addition, subtraction, multiplication, and division.
Given that we need to find out the three-digit numbers having the product of 60.
Let's see the factor pairs of 60 first.
1,60
2,30
3,20
4,15
5,12
6,10
10,6
12,5
15,4
20,3
60,1
From the given numbers we can make 24 numbers of three digits having a product of 60.
To know more about an expression follow
https://brainly.com/question/19116885
#SPJ2
Please help me with this!
Answer:
I dont know if I can answer if I don't have more information then the question
34% of _____ peaches is 17 peaches
Help please
Answer:
50
Step-by-step explanation:
34%=34/100
34/100 = 17/50
The sum of two numbers is 45. The difference of the 2 numbers is 3. What is the product?
A:135
B:480
C:504
D:2,160
Answer:
x = 24, y = 21
Step-by-step explanation:
x + y = 45
x - y = 3
Add them together
2x = 48
x = 24
24 + y = 45
y = 21
75x + 50 = 600
What is x
Answer:
x = 7.333Step-by-step explanation:
75x + 50 = 600=> 75x = 600 - 50=> 75x = 550=> x = 550 ÷ 75=> x = 7.33Conclusion:
Therefore:
x = 7.333Hoped this helped.
[tex]GeniusUser[/tex]
Answer:
[tex]7\frac{1}{3}[/tex]
Step-by-step explanation:
So for this problem, we want to solve for x
75x + 50 = 600
First, we isolate x by subtracting 50 from both sides.
75x + 50 - 50 = 600 - 50
75x = 550
Then we divide both sides by 75 to find x
75*x/75=550/75
[tex]x=7\frac{1}{3}[/tex]
Consider the points (-5,2) and (3,-9)
What's the horizontal distance between the two points?
Answer:[tex]\sqrt{185}[/tex]
Step-by-step explanation:
[tex]\sqrt{(-5-3)^2+(2+9)^2}[/tex]
What is the length, in units, of the line segment with endpoints at (1, 4) and (3, 7)?
A. √137
B. √15
C. √5
D. √13
Answer:
The answer is √13
Step-by-step explanation:
What is the distance between points A and B?
100
1
I
0 1
O 13
Answer:
1/3
Step-by-step explanation:
The line is split into 3 sections between 1 and 2, and A to B is one of those thirds.
The constant of proportionality means that Gavin can have _________ flowers per _________.
Answer:
The constant of proportionality means that Gavin can have _20_ flowers per _10 seeds_.
Step-by-step explanation:
hope this helps!