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Sunny_sXe [5.5K]
3 years ago
9

Please help me with my math guys really need it

Mathematics
1 answer:
Brrunno [24]3 years ago
6 0

Answer:

The answers are given in the pictures. One of them was an opinionated question, so you can just put whatever you want there. I put my opinion just in case.

Step-by-step explanation:

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30 seconds of 2.5 mins in percentage
WARRIOR [948]

Answer:

20%

Step-by-step explanation:

2.5 min =(60×2.5)sec=150 sec

30sec to 150sec=30×100/150=20%

7 0
3 years ago
Read 2 more answers
Solve for x if the angles are 110 and 2x+3
katen-ka-za [31]

Answer:

x=16

Step-by-step explanation:

Because this is an isosceles triangle the angle 2x+3 is the same as the missing angle. The angles in triangles add up to 180 degrees. 180-110=70.

Because the two angles are the same you can divide 70 by 2 to get 35.

35=2x+3.

35-3=2x+3-3

32=2x

32/2=2x/2

16=x

7 0
3 years ago
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The length of a rectangle is 3 cm less than twice the width. If the perimeter is 42 cm, what is the length of the rectangle?
larisa [96]

Answer:

The length is 13

Step-by-step explanation:

w+w+l+l= perimeter

if the length is 3m less than twice the width then let's do some math.

42 divided 2 =21. so the width and length of one side have to equal 21. For example, let's use 8 as the width. The length would be twice(16) minus three(13) 13 plus 8 is 21. WOW it equals half of it so no we know the length is 13 and the wdith is 8.

6 0
3 years ago
How do I solve (7-6i)(-8+3i)?
Alekssandra [29.7K]
I = {2.666666667, 1.166666667
6 0
2 years ago
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In a group of 60 students, 12 students take algebra one, 18 students take algebra 2 and 8 students take both subjects how many s
hoa [83]
60-12-18-2-8=20
=48-18-2-8
=30-2-8
=28-8
=20

So, 20 students don't take either of these subjects.
5 0
3 years ago
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