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vovangra [49]
3 years ago
12

Write -2 1/4 as a decimal ( with explanation please )

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

2.25

Step-by-step explanation: Its 2.25 because .25 is a quarter of a whole and 1/4 is a quarter or it also you can do

 

     <u>0. 2 5</u>

 4 ) 1. 0 0

     <u>-0</u>

       1 0

         <u>-8</u>

           20

         <u> -20</u>

              0

zloy xaker [14]3 years ago
5 0

Answer:

-2.25

Step-by-step explanation:

If you want to convert -21/4 to a decimal you will want to split the fraction up to make it easier to work with.

-2 \frac{1}{4} = -2 + \frac{1}{4}

\frac{1}{4} is the same 1 divided by 4

So you will do

−2+(1÷4)

1 divide by 4 is 0.25 so you will do

-2+0.25 = -2.25

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Write the equation of the line passing through (-3, 4) and normal to -2x + 7y = -3. (Note: normal means perpendicular)
MArishka [77]

Answer:

The answer to your question is     y = -7/2x -13/2

Step-by-step explanation:

Point = (-3, 4)

Line   -2x + 7y = -3

Process

1.- Solve equation for y to find the slope of the perpendicular line

                  7y = 2x - 3

                    y = 2/7 x - 3/7

slope = 2/7

Slope of the perpendicular line = -7/2

2.- Find the equation of the new line

                   y - y1 = m(x - x1)

                   y - 4 = -7/2(x + 3)

                   y - 4 = -7/2x - 21/2

                   y = -7/2x - 21/2 + 4

                   y = -7/2x -21/2 + 8/2

3.- Result

                   y = -7/2x -13/2

8 0
4 years ago
How do I turn those numbers into a mixed number?
BigorU [14]
Number 2 is already a mixed number. But it says mixed number as a decimal. So -1 29/40 as a decimal is -1.725.
8 0
3 years ago
Solve the equation 3/4x+3-2x = -1/4+1/2x+5
elena55 [62]
Hi there! The answer is x = -1

Let's solve this equation step by step!
\frac{3}{4} x + 3 - 2x = - \frac{1}{4} + \frac{1}{2} x + 5

First collect terms.
- 1 \frac{1}{4} x + 3 = \frac{1}{2} x + 4 \frac{3}{4}

Subtract (1/2)x from both sides.
- 1\frac{3}{4} x + 3 = 4 \frac{3}{4}

Subtract 3 from both sides.
- 1\frac{3}{4} x = 1 \frac{3}{4}

And finally divide by -1 3/4
x = \frac{7}{4} \div - \frac{7}{4} = \frac{7}{4} \times - \frac{4}{7} = - \frac{28}{28} = - 1
8 0
4 years ago
Read 2 more answers
Please look at the image
Tpy6a [65]

Answer: ok i did :)

Step-by-step explanation: how are you?

6 0
3 years ago
Which statements about the relationship between the two triangles below are true? Check all that apply,
leva [86]

Answer:

I don't know, because i really don't know

3 0
3 years ago
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