Lucy is a dress maker. She sews 4/7 of a dress in 3/4 of an hour. At this rate, how many dresses does Lucy sew in one hour?

Answers

Answer 1

Answer: this can be solve by proportinality
amount of dress is directly proportional to time she make the dress
4/7 = a (3/4)a = 4/7 / (3/4)a = 16/21
so if she sew for 1 hr
d = atd = 16/21 (1)d = 16/21 of a dress

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Tell if it wrong or right and help me in the last one if its wrong solve it

Answers

E is wrong. It only says twelve but it is a square and squares have the same side so u would really do twelve times twelve and get 144. And also I got 360 on the challenge one because u would split the irregular figure and you would do ten times nine equals ninety then nine times thirty equals 270. Then add it and you old get 360 m2

ok i'll help u
c is wrong
and the rest are right

What is 6% of $95?
O
$5.70
O $6.00
O $15.83
O $57.00

Answers

Answer: answer $5.70

Step-by-step explanation: if 100 dollars has 5% off it would be 95$ so if it’s 6% it’s closed to a dollar so 5.70$ is the answer

Answer:

A. $5.70

Step-by-step explanation:

I got this question correct on my assignment! Hope this helped!

Which measure is less than 435 inches?A 37 ft
B 36 ft 10
C 12 yd 3 in.
D 12 ft 3 in.

Answers

435 inches = 36 1/4 ft.

So, the answer would be D) 12 ft. 3 in.

*Hope I helped :)*

Solve the following:y = x + 3
4x + y = 18

(6, 3)

(3, 6)

(−3, 6)

(3, −6)

Answers

Answer:

(3,6)

Step-by-step explanation:

We can substitute y for x+3 in the second equation

4x + x + 3 = 18

5x = 15

x=3

Plug x back into the equation

y = 3 + 3

y = 6

Answer:

B (3 ; 6)

Step-by-step explanation:

y = x + 3

4x + y = 18

4x + (x + 3) = 18

5x = 18 - 3

5x = 15

x = 3

y = x + 3

y = 3 + 3

y = 6

erika wants to give 5 stickers to everyone in her class her class sits in 4 rows of 7 and erika says shell need 140 stickers

Answers

This is correct because There are 4 rows of 7 meaning there in 28 students(7 times 4). If you take 140 divided by 5 (this meaning that you're seeing if 140 stickers will be enough for the class) you get 28. So 28 students will each get 5 stickers.

4x7=28 students
28x5=140 stickers

Write the scientific notation form of 235,000,000,000

Answers

2.35^11 . You have to make the first three numbers less than zero and then count from where you put your decimal place to find the exponent.

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