let me see how many we working with
Tell whether ratios form a propotion
1/4; 3/12
54/10; 81/15
18/24; 15/20
someone help me pls:(
Answer: Ratios form a proportion if they are equal when cross-multiplied.
1/4 and 3/12
Cross-multiply these ratios to compare them: 1/4 * 12 = 3, 3/12 * 4 = 3.
So they are equal and form a proportion.
54/10; 81/15
Cross-multiply these ratios to compare them: 54/10 * 15 = 81, 81/15 * 10 = 54.
So they are equal and form a proportion.
18/24; 15/20
Cross-multiply these ratios to compare them: 18/24 * 20 = 15, 15/20 * 24 = 18.
So they are equal and form a proportion.
Hence, all the ratios mentioned above form a proportion.
Step-by-step explanation:
A student simplified the expression 6^2/36^2 as 1/3. Do you agree with this student?
Answer:
yes
Step-by-step explanation:
the math adds up to 1/3.
Hallie and Mattie donated blue jeans to the clothing drive. Hallie donated 4 pairs of blue jeans. Mattie donated 6 pairs of blue jeans. Write a ratio to represent the relationship between Hallie's donation of jeans and Mattie's donation of jeans.
Answer:
2:3
Step-by-step explanation:
Hallie's Donation : Mattie's Donation = 4:6
simplified, it is 2:3
These are homework questions I don't understand- can I please get help?
WARNING: ANSWER NOT NOT BE RIGHT! Answer: 1- A I really hope this helps! Im not good at this stuff, but I hope I did good! This not be right!
Answer:
1. a. draw 5 boxes with 7ś in them and x=7
2. number 7. x+x+x=9 that is A. and x+3=9 for B.
3. part a: x+9=16 draw a box with x+9=16 and x=7
3. part b: 4(x)=28 draw a bout that matches that and x=7
Step-by-step explanation:
1. the value of x is seven because 5x = 35 divide x on both sides is 7
2. number 7. x+x+x=9 that is A. and x+3=9 for B.
3. part a: x+9=16 draw a box with x+9=16 and x=7
3. part b: 4(x)=28 draw a bout that matches that and x=7
Please help with this question..
Answer: I don’t know
Step-by-step explanation:
but I’m really broke
Answer:
(9 - v)^7 ?
I'm kinda confused
Charlie bought pound of American cheese and pound of Swiss cheese. Josh bought pound of cheddar cheese and pound of jack cheese. Josh says that they bought the same amount of cheese. Is he correct? Explain.
Answer: It is not possible to determine whether Josh is correct without more information. In order to determine whether they bought the same amount of cheese, it would be necessary to know the weight of the cheeses that Charlie and Josh bought. If the weight of the cheeses that Josh bought is equal to the weight of the cheeses that Charlie bought, then Josh is correct and they did buy the same amount of cheese. However, if the weight of the cheeses that Josh bought is not equal to the weight of the cheeses that Charlie bought, then Josh is incorrect, and they did not buy the same amount of cheese.
Step-by-step explanation: It's hard to say because you would need the weight of the cheese.
PLEASE HELP!!!!!!A set of data includes 98 data points ranging from 0 – 160. If the data is split into classes with a range of 10 (1 – 10, 11 – 20, etc), and there are no values that fall in the class 81 – 90, what can you say about the data?
1 The mean of the data will not be between 81 – 90.
2 All the data lies below 80.
3 The relative frequency of the class 81 – 90 is 0.
4 The median could be in the range 81 – 90.
Select all ratios equivalent to 12:8 A. 15:10 B. 27:12 C. 14:2
Answer:
(12/8 = 1.5)
A) 15:10
Select the correct answer.
Each unit on the graph is equal to 1 block. How many blocks does Ben need to walk from his house to reach the supermarket?
A 4 blocks
B 5 blocks
C 7 blocks
D 9 blocks
Ella's family took a road trip to Niagara Falls. Ella slept through the last 14% of the trip. If Ella fell asleep after they had travelled 602 miles, what was the total length of the trip?
Help please I’ll give brainliest after I finish my homework
Answer:The length of the trip is 780 mile
20 POINTS TO WHOEVER GETS THIS RIGHT <3
What is the value of the expression below when x=8 and y=4
9x-2y
Answer 64
Step-by-step explanation: if x is 8 you do 8 x 9 which is 72. Then you do 2 x 4 which is 8. So now you have 72 - 8 which is 64.
Make a the subject of the formula:
2a+9b=4c
Answer: 9b-4c=2a
Change from addition to subtraction problem to make 2a the answer.
What are numbers that cannot be divided by 5 without a remainder?
105, 275, 315, 420, 945, 760
Hope this works
You have $30 to spend on in-app purchases for a game. Sets of extra lives cost $3 each, and bags of coins cost $5 each. You buy a total of 8 items in the game. How many sets of extra lives and bags of coins do you buy?
Answer: The answer is B which is 5 sets of Extra lives and 3 bags of coins
Step-by-step explanation:
1) Work out all the answers from a,b,c,d and b are exactly 30 dollars and 8 items.
2)I used trial and error due to the fact that there are 4 options.
Answer: hope this helps ♡
B) 5 sets of extra lives and 3 bags of coins
Step-by-step explanation:
Money = $30
A) 3 sets of extra lives = $9 5 bags of coins = $25 9+25 = 34 (34>30)
B) 5 sets of extra lives = $15 3 bags of coins = $15 15+15 = 30 (30=30)
The equations below represent the numbers y of tickets sold after x weeks for two different local music festivals. Create a table for the ticket sales each week.
Answer:Part a) 3.5 weeks
Part b) 185 tickets
Step-by-step explanation:
Write your question here (Keep it simple and clear to get the best answer)
Select all ratios equivalent to 1:3 A. 9:21 B. 5:15 C. 4:12
Nine out of 45 students said that their favorite color was red. what percentage of students said that red was their favorite color?
So if theres 45 students in total, thats 100% of students, nine of those would be 20%
Refer to the table shown. If the pattern continues what algebraic expression can be used to find the plants height for any month? What will be the plants height at 12 months?
Answer:Answer is 36 inches high.
Step-by-step explanation:
Each term is 3 times the number of months. So, the
expression is 3n.
3 3(12) n
Replace n with 12.
36
At the end of 12 months, the plant will be 36 inches high.
Think about the division expression 2 1/5 ÷ 3/5
Answer: hope this helps ♡
2⅕ ÷ ⅗ = 11/3 or 3⅔
Step-by-step explanation:
2⅕ ÷ ⅗
= 11/5 (2*5+1) ÷ ⅗
= 11/5 × 5/3 (flip the fraction)
= [tex]\frac{11*5}{5*3}[/tex]
= 55/15 → 11/3 (divided by 5) or 3⅔
Help me find the answer to this please!!
Which set of numbers includes only integers?
A.Negative 5, negative 3 and one-fourth, 1, one-eighth
B.Negative 3, negative 2, 2, 3
C.Negative 6, negative 4, negative 2, negative one-half
D.One-half, two-thirds, StartFraction 6 Over 7 EndFraction, 0
Answer:
Gonggong answer munaman Yan ehh
The table below shows the ratio of materials in a composting container.
Brown Material (gallons) 12.75 18.6 24 E
Green Material (gallons) 4.25 B D 11.5
Total (gallons) A C 32 46
If Jeremy needs 64 gallons of compost to plant his garden in the spring, how much brown material will he need? How much green material will he need?
Jeremy will need 52 gallons of brown material and 12 gallons of green material.
Jeremy will need 16 gallons of brown material and 48 gallons of green material.
Jeremy will need 12 gallons of brown material and 52 gallons of green material.
Jeremy will need 48 gallons of brown material and 16 gallons of green material.
Answer:
Step-by-step exp6lanation:
The sum of two numbers is -9. Which expressions could represent the addition problem?
PLEASE HELP
The answer is B all the others basically go into positive
Marna thinks that about 35% of her mail is junk mail. She gets about twice as much regular mail as junk mail. Is she correct? Explain.
It costs $7.50 to enter a petting zoo. Each cup of food to feed the animals is $2.50. If u have $12.50, how many cups can u buy?
Answer:
exactly 2 cups
Step-by-step explanation:
hope this helps
Answer:
12.50 - 7.50 = 5
2.50 × x = 2.5
so 2 cups
Every New Year's Day, Jennifer brings 13 candies for each of her grandchildren and 20 more candies for the adults to share.
Let g represent the number of Jennifer's grandchildren and c represent the total number of candies she brings.
Find the value of c when g=9.
Answer:
We can use the given information to set up a system of two equations:
c = 13g + 20
c - 13g = 20
The second equation is obtained from the first equation by subtracting 13g from both sides.
To solve this system, we can use substitution.
First, we solve the second equation for c.
c = 20 + 13g
Then, we substitute this expression for c into the first equation.
20 + 13g = 13g + 20
Then, we simplify.
20 = 20
So, the value of c when g = 9 is 20 + 13 * 9 = 20 + 117 = 137.
Step-by-step explanation:
A restaurant customer left $1.40 as a tip. The tax was 5% and the tip was 20% of the cost including tax. a. Which information is not needed to compute the bill after tax and tip? b. What was the total bill?
Answer:
Step-by-step explanation:
(10 x 100) x = 0.70. (10÷ 10) 100 ÷ 10. = 1/10 x = 0.70. X 0.70 x 10. X= 7.00
Help??? :/ .................................
Answer:
A
Step-by-step explanation:
Answer:
I think the answer is a.
Which simplified ratio correctly compares 12 yards to 20 feet?
A. 3:5
B. 5:9
C. 5:3
D. 9:5