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kompoz [17]
3 years ago
14

en una clase de 90 alumnos , 15 son nacidos en estados unidos . que porcentaje son nacidos en estados unidos?

Mathematics
1 answer:
alukav5142 [94]3 years ago
3 0

Answer:

la respuesta será 77%

Step-by-step explanation:

será 77% porque si lo divides sale así 90/15% será 77%

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The number of students at Lala High School is 64 less than 3 times the number of students at Banana High School. Which expressio
dangina [55]

Answer:

3s - 64

Step-by-step explanation:

7 0
3 years ago
Use substitution to solve the following system of linear equations and fill in the following blanks:
marissa [1.9K]

Answer:

x=-4

y=3

z=-5

Step-by-step explanation:

<u>Given:</u>

x+y+z=-6

x-6y-7z=-29

-7y-5z=4

<u>Solve for </u>x<u> in the 1st equation:</u>

x+y+z=-6

x+y=-z-6

x=-y-z-6

<u>Substitute the value of </u>x<u> into the 2nd equation and solve for </u>z<u>:</u>

x-6y-7z=-29

(-y-z-6)-6y-7=-29

-7y-z-13=-29

-7y-z=-16

-z=-16+7y

z=16-7y

<u>Substitute the value of </u>z<u> into the 3rd equation and solve for </u>y<u>:</u>

-7y-5z=4

-7y-5(16-7y)=4

-7y-80+35y=4

28y-80=4

28y=84

y=3

<u>Plug </u>y=3<u> into the solved expression for </u>z<u> and evaluate to solve for </u>z<u>:</u>

z=16-7(3)

z=16-21

z=-5

<u>Plug </u>z=-5<u> into the solved expression for </u>x<u> and evaluate to solve for </u>x<u>:</u>

x=-(3)-(-5)-6

x=-3+5-6

x=2-6

x=-4

Therefore:

x=-4

y=3

z=-5

6 0
3 years ago
4 divided by 5 over 9
erastova [34]

Answer:

0.08888888

hope this helps please mark as brainliest:)

5 0
3 years ago
Graph the line on the coordinate plane provided:
givi [52]
Yay yay you got this
6 0
2 years ago
Does anybody know???
Oksanka [162]

Answer:

A.) 31.579

Step-by-step explanation:

12/38 · 100= 31.579%

12/38 men agreed so to make it into a percentage, multiply by 100.

7 0
2 years ago
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