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liberstina [14]
3 years ago
15

Elsie is making a quilt using quilt blocks like the one the diagram

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
6 0
It has rotational symmetry, and the angle of rotation is 90 degrees

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Please solve and show working for 13-((4/5)+(6/8))=
UNO [17]
<span>13-((4/5)+(6/8))
Make your fractions have common denominators 
</span>13-((32/40)+(30/40))
Add your fractions and simplify
13-(62/40)
or
13-(31/20)
or
13-(1 11/20)
Then turn 13 into a fraction with a common denominator! Im going to use the second fraction method (31/20)
13 written as a fraction is 13/1, its LCD with 31/20 is 20. I now multiply the top and bottom by 20
260/20
Now I rewrite the problem again
(260/20)-(31/20)
Which equals
229/20!
This is your unsimplified answer
Finally you simplify and get
11 9/20

6 0
3 years ago
Facial shaving brushes are either bulb-shaped or fan-shaped. An experiment is to be conducted to determine whether the lather th
rusak2 [61]
I think it is A
Hope my answer help you?
8 0
3 years ago
Read 2 more answers
Whats 1/7 + 3/4 ?<br> Please help me?
Katen [24]

Answer:

25/28

Step-by-step explanation:

28 is the greatest common factor, found by multiplying 7 by 4 (the denominators)

1/7 = 4/28

3/4 = 21/28

21/28 + 4/28 = 25/28

6 0
3 years ago
Read 2 more answers
How do you write y=25x-56 in standard form?
Tcecarenko [31]
To put a slope-intercept into standard form, you have to first cancel out the fractions. So:
y = \frac{2}{5}x - \frac{5}{6}

Turns into:
(5)(6)y = (\frac{2}{5}x - \frac{5}{6})(5)(6)

Simplify:
30y =  (\frac{2}{5}x - \frac{5}{6})(30)

Distribute:
30y = 12x- 25

Since you want to get x and y on the same side, you subtract 12x from both sides to get:
-12x+30y = -25

So, your answer is C. Hope this all made sense! If it doesn't you know where to get a hold of me, so just dm me. Or if you more problems.
6 0
3 years ago
What is the prime factorization of 77 ?
n200080 [17]

Prime factorization: 77=7*11

8 0
3 years ago
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