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pogonyaev
2 years ago
11

1. 20% of what number is 18?

Mathematics
1 answer:
Hunter-Best [27]2 years ago
8 0

Answer:

90

Step-by-step explanation:

multiply 18 by 5 because 20*5 is 100 so the answer is 90

You might be interested in
.
USPshnik [31]

Answer:

  • $17,500 at 8%
  • $17,500 at 14%

Step-by-step explanation:

The fraction that needs to be invested at the higher rate is ...

  (11% - 8%)/(14% -8%) = 3%/6% = 1/2

Half the money should be invested at each of the rates:

  $17,500 for 8% return

  $17,500 for 14% return.

_____

If you let x represent the amount at the higher rate, then the total return is ...

  14%x + 8%(35000 -x) = 11%(35000)

  (14% -8%)x = (11% -8%)(35000) . . . . subtract 8%·35000

  x = (11% -8%)/(14% -8%)×35000 . . . . divide by the coefficient of x

Note that this formula is exactly the one we started with, above.

4 0
3 years ago
24y - 22 = 4 ( 6y - 6 )
Pie
I don’t think their is a solution to this equation
because if you expand the second half it is= 24y-24 which would make the equation
- 24y-22=24y-24
and because the number next to the y is the same on both sides, no matter what y is if we subtract different numbers from each side we will never get the same value for each side of the =
5 0
2 years ago
What is this??????????
maks197457 [2]

Answer:

A drawing. I guess the sky

Step-by-step explanation:

this is a very hard question

5 0
3 years ago
Read 2 more answers
How do I get to this answer step by step pleaseee quickly!!!!
frutty [35]

Answer:

Step-by-step explanation:

Direction: Opens Up

Vertex:  

(

3

,

−

4

)

Focus:  

(

3

,

−

15

4

)

Axis of Symmetry:  

x

=

3

Directrix:  

y

=

−

17

4

Select a few  

x

values, and plug them into the equation to find the corresponding  

y

values. The  

x

values should be selected around the vertex.

Tap for more steps...

x

y

1

0

2

−

3

3

−

4

4

−

3

5

0

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:  

(

3

,

−

4

)

Focus:  

(

3

,

−

15

4

)

Axis of Symmetry:  

x

=

3

Directrix:  

y

=

−

17

4

x

y

1

0

2

−

3

3

−

4

4

−

3

5

0

5 0
2 years ago
7th grade math help meee plzzzz
ale4655 [162]

Answer:

-18.4 + 35.4

Step-by-step explanation:

Use the method keep; change; flip.

Keep the negative -18.4

Change the minus sign to a plus sign

Flip the -35.4 to a positive 35.4

Even though the equations are different the answer is still the same.

Hope this helps!

8 0
3 years ago
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