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MArishka [77]
3 years ago
8

What is 20 percent of 90?​

Mathematics
2 answers:
ivolga24 [154]3 years ago
5 0

Answer:

18

Step-by-step explanation:

8_murik_8 [283]3 years ago
4 0
18% hope this helpss
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8. Madison uses 54 beads to make one necklace. If Madison has 2,185 beads, how many necklaces can she make and how many beads wo
hram777 [196]

Answer:

B) 40 necklaces with 25 left over

Step-by-step explanation:

7 0
3 years ago
I NEED THE ANSWER ASAP.An architect is planning a triangular pool with the perimeter of 99 feet.If two sides measure 20 and 42,
Alla [95]

Answer:

37 feet

Step-by-step explanation:

99 - (20+42) = 37

3 0
3 years ago
Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practice today. How m
lyudmila [28]
You set up a proportion so: 12/x and 40/100
Cross multiply so 12 times 100 = 1200
and 40 times x = 40x 
1200 divided by 40 = 30 minutes total
You know that he already know he spent 12 minutes doing it so
30 - 12 = 18 more minutes
8 0
4 years ago
If rectangle ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180º, where would point A' lie? (1, -1)
kodGreya [7K]

Answer:

Point A reamains unchanged.

Step-by-step explanation:

Let

A(1, -1)

B(1, 1)

C(-4, -1)

D (-4, 1)

REFLECTED OVER Y-AXIS:

When we reflected over Y-AXIS we have to change the sign of X-Coordinates of all vertices so, above given vertices becomes

A(-1, -1)

B(-1, 1)

C(4, -1)

D (4, 1)

REFLECTED OVER X-AXIS:

When we reflected over X-AXIS we have to change the sign of Y-Coordinates of all vertices so, above given vertices becomes

A(-1, 1)

B(-1, -1)

C(4, 1)

D (4,-1)

When we rotated over 180 degree than we have to change the signs of both coordinates of all vertices

A(1, -1)

B(1, 1)

C(-4, -1)

D (-4,1)

we can see that after the opertion of all three processes i.e  reflected over the y-axis, reflected over the x-axis, and rotated 180ºrespectively vertices are same as original vertices so, Rectangle remain unchanged. and point A is also unchanged

7 0
3 years ago
Which relationship describes angles 1 and 2?
Vladimir79 [104]

Answer:

it is adjacent angle

Step-by-step explanation:

hope it helps

5 0
3 years ago
Read 2 more answers
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