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Anna007 [38]
3 years ago
11

Zelina scored 10% higher on her second quiz than on her first quiz. On her third quiz, Zelina scored 20% higher than on her seco

nd quiz. Her third quiz score is what percent higher than her first quiz score?
Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

30%

Step-by-step explanation:

you just add 10% and 20%

Hope it helps c:

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A number is decreased by 40% to 525. what is the original amount?​
zhenek [66]

Answer:

875

Step-by-step explanation:

lets assume the original amount X

the new amount = X - ( X × 40% )

525 = (60 × X) ÷ 100

X = ( 525 × 100 ) ÷ 60

<u>X = 875</u>

6 0
2 years ago
Read 2 more answers
Could somebody please help me find the answers for 'x' for these pictures?
djyliett [7]

Answer:

(in order) #1

for the first one you have a vertical angle. Vertical angle is basically any 2 lines who intersect each other. The opposite sides will be congruent.

So in this case

2x+8 and 110 are oppostie sides.

2x+8=110

Which is x= 51

#2

For the second one you have supplementray angles

Now for supplementary angles its basically 2 angles added up that form a straight line And 180 degress is always the measure of a straight line. SO in this case we do

9x+12x+75=180

Which is x=5

#3

This is also a vertical angle pair and their congruent just like #1

So 5x+5=65

x=12

4 0
3 years ago
Read 2 more answers
a bathtub is filled with 110 gallons of water. The tub drains at a rate of 5 gallons every 2 minutes. How long will it take befo
Gnesinka [82]

Answer:

It will take 22 minutes



4 0
3 years ago
What is the area of the parallelogram?<br><br> ? sq ft
jenyasd209 [6]

parallelogram formula is b*h because u can just move a part of the triangle to make it become a rectangle or square. so square/rectangle's formula is the exactly same.

answer:63

hope this helps :D

7 0
3 years ago
Read 2 more answers
HELPPPPP!!! PLEASEEEEEEE
8090 [49]

Answer:  $1.5

Step-by-step explanation:

$3.00 divided by 2 pounds is $1.5

$4.50 divided by 3 pounds is $1.5

and $6.00 divided by 4 pounds $1.5

8 0
3 years ago
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