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nlexa [21]
3 years ago
10

In a group of 90 seventh

Mathematics
2 answers:
Firdavs [7]3 years ago
5 0
90 x .80= 72. 72 Students like hot choco, therefore 8 do no like hot choco
Inessa05 [86]3 years ago
3 0

Answer: 18

Step-by-step explanation:

90 / 10 = 9 (10%)

9 x 8 = 72 (80%)

90 - 72 = 18 (20%)

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Just need to know what x is haha
marishachu [46]

Answer: x=14

Step-by-step explanation:

The angles in a triangle are equal to 180 so

6x + 3 + 5x + x + 9 = 180

12x + 12 = 180

      -12     -12

12x = 168

x = 14

4 0
3 years ago
Lines C and d are perpendicular. If the slope of line c is -4, what is the slope of line d?
CaHeK987 [17]
The slope of line D is also -4 because the lines are perpendicular.
6 0
3 years ago
The answer is is 26, -44, but i dont understand how to solve it. can you explain?
Anna [14]
║a+9║/7=5
you multiply 7 on both sides which cancel out 7.
now it ║a=9║=35
and now it would be a+9=35 and a+9=-35 then solve it.
35-9 and 9-(-35)= 26 and -44
hope this helped!
4 0
3 years ago
An egg carton holds 12 eggs. A breakfast buffet uses 96 eggs by 8am. When the buffet ends at 10:30, a total of 156 eggs were use
Kaylis [27]

Answer:

5 cartons of eggs were used.

Step-by-step explanation:

Since there are a total of 156 eggs used, and 96 were already used, you subtract 156 - 96 = 60. Since there 12 eggs in each carton, you divide 60 by 12 to get 5.

4 0
3 years ago
What is the HCF of 30 and 50 <br><br> Pls I need this
Tom [10]

10
Therefore, the greatest common factor of 30 and 50 is 10.
8 0
2 years ago
Read 2 more answers
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