it's about proportion and stuff but I'm confused on this one can someone please explain?

Answers

Answer 1

Answer:

the one clue you have is "30,12" on the left. try to understand how they relate to each other. maybe how many times 12 goes into 30. or maybe how many times it goes into 32 with no decimal so what number do you have to add (sometimes work doesnt mean it like that so that might be wrong). but if you want the answers, they are:

35/5/15/30

14/2/6/12

the way i did it was if it was on the bottom (y) i did 2.5 times the number. if on the top (x) i did the number divided by 2.5. 2.5 was the rate of change (is that the word i think it is but if it isnt just blame me im sorry).

Step-by-step explanation:

Related Questions

Use the Properties of Equality to solve each equation
A - 6 = 19

A. 25

B.13

C.-13

D. -25

Answers

a-6=19
+6 +6
a= 25

the answer is A. 25

Answer:

A-6 =19

A= 19+6

A= 25

HELP PLS 1. Al survey of 3,000 who bought a new car showed that 900 people had
mechanical issues within the first 2 year.

What is the relative frequency of the people that had mechanical issues?

Answers

Answer:

3/10 or 30%

Step-by-step explanation:

900/3000 = 9/30 = 3/10 or 30%

3(a + 4) – 5(a – 2) = 22

Answers

[tex]\text {Hey! Let's Solve this Problem!}[/tex]

[tex]\text {\underline {The First Step is to Simplify}}[/tex]

[tex]\text {3*a=3a \rightarrow {3*4=12}}[/tex][tex]\text {3*a=3a}\\\text {3*4=12}[/tex]

[tex]\text {-5*a=-5a}\\\text {-5*-2=10}[/tex]

[tex]\text {Your New Problem Is: 3a+12+-5a+10=22}[/tex]

[tex]\text {\underline {The Next Step is to Combine Like Terms}}[/tex]

[tex]\text {3a+-5a=-2a}\\\text {12+10=22}[/tex]

[tex]\text {Your New Problem Is: -2a+22=22}[/tex]

[tex]\text {\underline {The Next Step is to Subtract 22}}[/tex]

[tex]\text {-2a+22-22=22-22}[/tex]

[tex]\text {Your New Problem Is: -2a=0}[/tex]

[tex]\text {\underline {The Final Step is to Divide 2}}[/tex]

[tex]\text {-2a/2=0/2}[/tex]

[tex]\text {Your Answer Would Be:}[/tex]

[tex]\huge\boxed {a=0}[/tex]

[tex]\text {Best of Luck!}[/tex]

Answer:

Step-by-step explanation:

3(a + 4) - 5(a - 2) = 22

3a + 12 - 5a + 10 = 22

-2a + 22 = 22

-2a = 0

a = 0

I hope this helps you :)

x+2y=17
8x+3y=45
answer fast

Answers

Answer fast? What?

x + 2y = 17...Equation A

8x + 3y = 45...Equation B

Solve A for x.

x = 17 - 2y

Plug this into B to solve for y.

8(17 - 2y) + 3y = 45

136 - 16y + 3y = 45

136 - 13y = 45

-13y = 45 - 136

-13y = -91

y = -91/-13

y = 91/13

y = 7

To find y, plug x = 7 into either equation to find x.

I will use Equation A.

x + 2y = 17

x + 2(7) = 17

x + 14 = 17

x = 17 - 14

x = 3

Answer: x = 3, y = 7

The solution to the system of equations is (x = 3) and (y = 7).

To find the values of x and y that satisfy the given system of equations:

1. (x + 2y = 17)

2. (8x + 3y = 45)

We can use either the substitution method or the elimination method. Let's use the elimination method to solve this system

Step 1: Multiply both sides of the first equation by 3 to make the coefficients of y in both equations the same:

(3x + 6y = 51)

Step 2: Now, subtract the modified first equation (3x + 6y = 51) from the second equation (8x + 3y = 45):

(8x + 3y) - (3x + 6y) = 45 - 51)

Simplify:

(8x + 3y - 3x - 6y = -6)

Step 3: Combine like terms:

(5x - 3y = -6)

Step 4: Now, we have two equations:

1. (x + 2y = 17)

2. (5x - 3y = -6)

Step 5: Now, you can either use the substitution method or the elimination method again to find the values of x and y. Let's use the elimination method again to eliminate y: Multiply the first equation by 3 and the second equation by 2 to make the coefficients of y the same:

1. (3(x + 2y) = 3 times 17) => (3x + 6y = 51)

2. (2(5x - 3y) = 2 times -6) => (10x - 6y = -12)

Step 6: Now, add the modified first equation (3x + 6y = 51) to the modified second equation (10x - 6y = -12): (3x + 6y + 10x - 6y = 51 - 12)

Simplify: (13x = 39)

Step 7: Divide both sides by 13 to solve for x:

(x = frac{39}{13})

(x = 3)

Step 8: Now that we have the value of x, we can find the value of y by substituting it back into either of the original equations. Let's use the first equation:

(x + 2y = 17)

(3 + 2y = 17)

Step 9: Solve for y:

(2y = 17 - 3)

(2y = 14)

(y = frac {14}{2})

(y = 7)

To know more about equations:

https://brainly.com/question/10724260

#SPJ2

is y=2x-5 and y=5x -5 parallel perpendicular or neither ?

Answers

The answer is the second one

Is 2.3495 a rational or irrational number?

Answers

Answer:

rational number

Step-by-step explanation:

Suppose Destiny and Megan volunteered to bake cupcakes for a bake sale to raise money for
their school. Destiny works 1.2 times as fast as Megan. When they work together, they can
bake 18 cupcakes in 44 minutes. How long would it take Destiny to bake 18 cupcakes if she
were working alone? Choose the closest answer.
Hint
A 1 hour and 50 minutes
B 1 hour and 21 minutes
C 54 minutes
D 1 hour and 34 minutes

Answers

Answer:

It’s A 1 hour and 21 minutes

Step-by-step explanation:

The area of a door is 3024 square inches. If the length of the door is 48 inches longer than the width of the door, what is the width of the door?

Answers

Answer:

The width of the door is 36 inches

Step-by-step explanation:

The given parameters are;

The given area of the door = 3024 in.²

The length of the door = 48 + The width of the door

Let W represent the width of the door

Therefore, we have;

The length of the door = 48 + W

The area of the door = The length of the door × The width of the door

∴ By substitution, the area of the door = 3024 = W × (48 + W)

3024 = W × (48 + W) = 48·W + W²

48·W + W² = 3024

∴ 48·W + W² - 3024 = 0

Rearranging, we get;

W² + 48·W - 3024 = 0

By trial and error, we have;

(W + 84)×(W - 36) = 0

Therefore, given that the width of the door is a natural number, we have;

The width of the door, W = 36 inches

Which model shows two equal expressions when c = 5?

Answers

I can’t see the model so.. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.

b. Simplify by making mathematical expression
9 is subtracted from 3 times the sum
5 and 6.

Answers

Answer:

Step-by-step explanation:

3(5+6)-9

3(11)-9

33-9

Answer:24

Step-by-step explanation:

tis is the right answer

Jasmine sells bracelets at a local jewelry store in South Dekalb Mall. She has 1,190 purple beads and 2,125 pink beads. Each bracelet can hold 85 beads, how many bracelets can she make

Answers

Answer:

Step-by-step explanation:

1190 + 2125 = 3315 (number of beads)

3315/85 = 36 (number of bracelets jasmine can make)

Select all that apply. Which of the following expressions have a quotient of -1/7?

Answers

Answer:

we need more

Step-by-step explanation:

-12 / -6 = 2....nope

-12 / 6 = -2....yep

-6 / -3 = 2....nope

6 / -3 = -2....yep

-6 / 3 = -2...yep

Step-by-step explanation:there you go happy early thanksgiveing you have a blessed day!

I’m in 10th grade taking math for college readiness way behind on edge I’m paying 100 bucks on Apple Pay, PayPal ,or cash app to whoever can catch me up this week my email is kanemagdalene at g mail .com someone help please

Answers

Answer:

Uhh im sorry but this is a website for questions not donations

Step-by-step explanation:

im very sorry if that sounded rude but its kinda true ;/

5 nights in a standard room, costs $495. The Platinum Package, which includes 7 nights in an upgraded room, costs $833. How much more does the Platinum Package cost per night?

Answers

Answer:

$5,831

Step-by-step explanation:

$5,831

Answer:

$20

Step-by-step explanation:

A group of tourists is determining the order in which to visit national landmarks in Washington, DC. The group contains 200 people. Of those people, 150 are adults, and 50 are children. A random sample of tourists in the group is chosen. Surveying the random sample produced a representative sample of the population. Which was most likely true of the representative sample?

Answers

Answer: the representative sample contained more adults than children

Step-by-step explanation:

The options are:

a. The representative sample contained all 200 tourists.

b. The representative sample contained more adults than children.

c. The representative sample contained more children than adults.

d. The representative sample contained an equal number of adults and children.

Number of adults = 150

Number of children = 50

Total = 150 + 50 = 200

Probability of choosing an adult = 150/200 = 0.75

Probability of choosing a child = 50/200 = 0.25

The above shows that the representative sample contained more adults than children. This can be seen in the explanation above as number of adults is thrice that of children.

Answer:

the representative sample contained more adults than children

Step-by-step explanation:

The options are:

a. The representative sample contained all 200 tourists.

b. The representative sample contained more adults than children.

c. The representative sample contained more children than adults.

d. The representative sample contained an equal number of adults and children.

Number of adults = 150

Number of children = 50

Total = 150 + 50 = 200

Probability of choosing an adult = 150/200 = 0.75

Probability of choosing a child = 50/200 = 0.25

The above shows that the representative sample contained more adults than children. This can be seen in the explanation above as number of adults is thrice that of children.

Samuel's exit ticket is correct, because he multiplied both sides of the equation by seven, using the Multiplication Property of Equality to justify how he got from the first step to the second step. Selma's exit ticket is correct, because she subtracted three from both sides of the equation, using the Subtraction Property of Equality to justify how she got from the first step to the second step. Samuel's exit ticket is correct, but Selma's is incorrect, because she solved the problem in the wrong order. Selma's exit ticket is correct, but Samuel's is incorrect, because he solved the problem in the wrong order. Both students used the properties correctly to justify their correct solutions to the equation. Neither Samuel's or Selma's exit tickets are correct. Neither student used the properties correctly, even though their solutions are true.

Answers

Answer:

a, b, e

Step-by-step explanation:

i did the algebra nation.

PLEASE PLEASE HELP ME!!!
how do you identify a perfect square trinomial? give an example

Answers

Answer:

Any time you take a binomial and multiply it to itself, you end up with a perfect square trinomial. For example, take the binomial (x + 2) and multiply it by itself (x + 2). The result is a perfect square trinomial.

Part A: Is triangle PQR similar to triangle PAB? Explain using what you know about triangle similarity. (5 points) Part B: Which line segment on triangle PAB corresponds to line segment QR? Explain your answer. (3 points) Part C: Which angle on triangle PAB corresponds to angle Q? Explain your answer. (2 points)

Answers

Note: for similar triangle all the corresponding angle must be equal and the corresponding side are proportional

line AB segment on triangle PAB corresponds to line segment QR.

Part C: <Aangle on triangle PAB corresponds to angle Q

Answer: Note: for similar triangle all the corresponding angle must be equal and the corresponding side are proportional

line AB segment on triangle PAB corresponds to line segment QR.

Part C: <Aangle on triangle PAB corresponds to angle Q

Step-by-step explanation:

please helpppppppp meeeeee

Answers

In order from first pic to last:
10
2
30
70
8
99
1
11
Add 2, divide by 3
-3

Answer:

Step-by-step explanation:

1: Add 2 divide 3

2: -3

3:1

4:11

5:8

6:99

7:30

8: 70

9:10

10:2

If five bags of mulch covers 32 square feet, how many square feet could 16 bags cover?

Answers

Answer:

x=102.4

Step-by-step explanation:

5:32=16:x

x=102.4

Hope this helps plz hit the crown :D

keep change flip
10×4 1/4

Answers

I not sure but I think it’s will be 10

how to find
range
mode
median
mean

Answers

Answer:

- Mode-The most repetitive number! - Median:The number in the MIDDLE when they are IN ORDER! - Mean- The AVERAGE OF ALL NUMBERS: You add up all the numbers then you divide it by the TOTAL NUMBER of NUMBERS! - Range - THE BIGGEST minus the Smallest!

branliest?

Step-by-step explanation:

Answer:

RANGE = Highest number - lowest numberMODE = Total number of numberMEDIAN = {(n+1)÷2}th valueMEAN = €x/N

Find the sum or difference.
(4y + 3) - (y – 2)
SHOW ALL THE WORK THAT YOU DID TO FIND THIS ANSWER for points!

Answers

Answer:

3y + 5

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define expression

(4y + 3) - (y - 2)

Step 2: Simplify

Distribute negative: 4y + 3 - y + 2Combine like terms (y): 3y + 3 + 2Combine like terms (Z): 3y + 5

Determine the rate of change for the following graph. Type your answer into the box.

Answers

Answer:

Step-by-step explanation:

please help asap!
i will give brainliest :)

Answers

156 miles I think or 192

Find the HCF of 30 and 45.

Answers

Answer:

Step-by-step explanation:

Since 30 and 45 are relatively small numbers, it's not a big deal to list every single one of their common factors.

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

Factors of 45: 1, 3, 5, 9, 15, 45

Now that we have a list, it's easy to see which number is the highest common factor, which is, of course, 15.

Answer:

HCF of 30 and 45 is 15.

Step-by-step explanation:

Factors of 30 : 1, 2, 3, 5, 6, 10, 15, 30.

Factors of 45 : 1, 3, 5, 9, 15, 45.

Common Factors : 1, 3, 5, 15

Highest Common Factor : 15

Write 360.124 in expanded and exponential form both

Answers

Step-by-step explanation:

Expanded 300+60+.1+.02+.004

exponential you can't have on if you don't have an exponent

360.124 in expanded and exponential form :
300+60+1/10+2/100+4/1000

ok ok ok lets just hope this is the last one

Answers

Answer:

the first is 75

and the second is 4

Answer:

Step-by-step explanation:

I neeedddd help. I am not understanding. Can someone help?/ explain this?

Answers

Answer:

F= 4 4/6

Step-by-step explanation:

Lets break it down

3 1/6 + f - 7 5/6

3 plus what equals 7 answer 4!

1/6 pls how many more sixths equals 5/6th answer 4/6 ths

so overall you combine the two answers for whole and fraction an

i need help. i am confused.

Answers

Answer:

Step-by-step explanation:

2(4z+3+3z)=174

7z+3=174/2=87

7z=87-3=84

z=84/7=12

WX=3z=3×12=36 units

Answer:

36 units

Step-by-step explanation:

[tex]2(4z + 3 + 3z) = 174 \\ \\ (7z + 3) = \frac{174}{3} \\ \\ 7z + 3 = 87 \\ \\ 7z = 87 - 3 \\ \\ 7z = 84 \\ \\ z = \frac{84}{7} \\ \\ z = 12 \: \\ \\ WX = 3z \\ \\ WX \: 3 \times 12 \\ \\ WX = 36\: units[/tex]

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it's about proportion and stuff but I'm confused on this one can someone please explain?​

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it's about proportion and stuff but I'm confused on this one can someone please explain?