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icang [17]
2 years ago
15

Find the value of x. Can someone help please?

Mathematics
1 answer:
Leya [2.2K]2 years ago
5 0
A. is the correct answer
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15% of the students in school eat hot lunch. If 60
morpeh [17]

Answer:

400 students

Step-by-step explanation:

So 15 percent is 60 students

make an equation

0.15x=60

X stands for the total amount fo students and multiply that 0.15 becuase we know ti equals 60 and finding X will solve both problems

that’ll give you 400 students

if you check

400*0.15=60

So its correct

7 0
2 years ago
Please help me someone​
FinnZ [79.3K]

Step-by-step explanation:

Your answers are given in the attachment

please check it once if it is helpful to you or not

7 0
2 years ago
Hi what is the answer for this?
Marat540 [252]
I believe it's A I really hope that's right
6 0
3 years ago
Read 2 more answers
How do you solve perimeter of polygons?
earnstyle [38]
<span>idk if this exactly correct but i tried

1 Find and add the lengths of all the polygon's sides
2.Multiply the lengths of equal sides by the number of equal sides.
3 Multiply a regular polygon's side length by the number of sides.
4 Alternatively, use the area and apothegm of the polygon.
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5 0
2 years ago
Find the equation of the ellipse with the following properties:
steposvetlana [31]

Answer: The equation of an ellipse:

(

x

−

h

)

2

a

2

+

(

y

−

k

)

2

b

2

=

1

;

a

>

b

Has vertices at

(

h

±

a

,

k

)

Has foci at

(

h

±

√

a

2

−

b

2

,

k

)

Use the vertices to write 3 equations:

k

=

4

[1]

h

−

a

=

−

6

[2]

h

+

a

=

10

[3]

Use equations [2] and [3] to solve for h and a:

2

h

=

4

h

=

2

a

=

8

Use the focus to write another equation:

8

=

h

+

√

a

2

−

b

2

Substitute values for h and a:

8

=

2

+

√

8

2

−

b

2

6

=

√

64

−

b

2

36

=

64

−

b

2

b

2

=

64

−

36

b

2

=

28

b

=

√

28

Substitute the values into the standard form:

(

x

−

2

)

2

8

2

+

(

y

−

4

)

2

(

√

28

)

2

=

1

5 0
3 years ago
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