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UNO [17]
3 years ago
11

If 75% of the 20 answers were correct, then what fraction were correct?

Mathematics
1 answer:
Katarina [22]3 years ago
5 0
To solve this problem, you just multiply .75 and 20 to get 15. 
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Can you guys help me with this ?I don’t understand it.
rewona [7]
Here it is! Have a nice day. :)

6 0
2 years ago
Ppppplllllllllzzzzzzz helppppppppp -7/9 - 5/10
Lyrx [107]
Simplify 5/10 to 1/2

find the LCD of both fractions and that would be 18

make the denominators the same as the LCD

Simplify, now denominators are equal

join the denominators

simplify it now (23/-18)

convert to mixed fraction 

Answer: -1 5/18.

7 0
3 years ago
Help me answer this question please
enot [183]

Figure D could be formed from the net.

(bottom right)

-Because-

The net says that the middle shape (the bottom face) is 14 long, and it is 8 tall. So the only option that makes sense is the bottom right!

<em>feel free to mark brainliest! :)</em>

5 0
3 years ago
Help!!!!!!!!!!!!!!!!
Andru [333]

Step-by-step explanation:

The area would be 9 times compared to the area of the original square. To test this, you can let the side of the original square be equal 1. By tripling this side, the side becomes three. Utilizing the area of a square formula, A= s^2, the area of the original square would be 1 after substituting 1 for s. Then, you do the same for the area of the tripled square. With the substitution, the area of the tripled square would be 9. This result displays the area of the tripled square being 9 times as large as the area of the original square. This pattern can be used for other measurements of the square such as:

let s = 2, Original Area= 2^2 = 4 Tripled Area= (2(3))^2 = 6^2= 36. 36/4 = 9

let s = 3, Original Area = 3^2 = 9 Tripled Area - (3(3))^2 = 9^2 =81. 81/9 = 9

let s = 4, Original Area = 4^2 = 16 Tripled Area - (4(3))^2 = 12^2 = 144. 144/16 = 9

let s = 5, Original Area = 5^2 = 25 Tripled Area - (5(3))^2 = 15^2 = 225. 225/25 = 9

let s = 6, Original Area = 6^2 = 36 Tripled Area - (6(3))^2 = 18^2 = 324. 324/36 = 9

let s = 7, Original Area = 7^2 = 49 Tripled Area - (7(3))^2 = 21^2 = 2,401. 2,401/49 = 9

You can continue to increase the length of the square and follow this pattern and it will be consistent.

7 0
2 years ago
Read 2 more answers
Write an equation of a line in slope-intercept form that passes through (-3,5) and is parallel to y = -6x +1.
katrin2010 [14]

Answer:

a) The equation of the Parallel line to the given straight line is

       6 x + y + 13 =0

b) Slope - intercept form

        y = - 6 x - 13

c) The intercept - form

            \frac{x}{\frac{-13}{6} } + \frac{y}{-13} = 1

x - intercept  =  \frac{-13}{6}

y - intercept = - 13

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given the equation of the straight line

                             y = -6x +1

                  6 x + y - 1 = 0

The equation of the Parallel line to the given straight line is

                6x + y + k=0 and it passes through the point (-3, 5 )

           ⇒ 6 (-3 ) + 5 + k =0

          ⇒  - 18 + 5 + k=0

         ⇒   -13 + k = 0

        ⇒     k = 13

The equation of the Parallel line to the given straight line is

       6 x + y + 13 =0

<u><em>Step(ii):-</em></u>

Slope - intercept form

                y = m x + C

                y = - 6 x - 13

<u><em>Step(iii)</em></u>:-

Intercept - form

              6 x + y + 13 =0

              6 x + y = - 13

              \frac{6x + y}{-13} = \frac{-13}{-13}

             \frac{6x}{-13} + \frac{y}{-13} = 1

             \frac{x}{\frac{-13}{6} } + \frac{y}{-13} = 1

The intercept - form

            \frac{x}{\frac{-13}{6} } + \frac{y}{-13} = 1

x - intercept  =  \frac{-13}{6}

y - intercept = - 13

4 0
2 years ago
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