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Ira Lisetskai [31]
3 years ago
14

Write an equation and solve.

Mathematics
1 answer:
Reil [10]3 years ago
4 0
My equation was (1230÷3) ×4 ×this is the multiplication sign

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Where can we put parentheses in 2 x 3+1+2 to make it equivalent to 12?
zhannawk [14.2K]
2(3+1+2) is equivalent to 12
7 0
4 years ago
If you run a mile in 12 minutes, how fast are you running in miles per hour?
butalik [34]
1 mile in 12 minutes
x miles in 60 minutes

\frac{1}{12} = \frac{x}{60}\\\\12x = 60(1)\\\\x = 5

You are running at 5 miles per hour.
8 0
4 years ago
point b, o, and y are collinear on by, and bo:oy = 5/8. B is located at (4,2,) o is located at (57/8,-3) and Y is located at (x,
Lena [83]

Given: BO : OY = 5:8. Coordinate B is located at (4,2,) ; O is located at (57/8,-3) and Y is located at (x,y).

We have to determine the coordinate Y.

We will use cross section formula which states:

The coordinates (x_1,y_1) , (x_2,y_2) are divided in the ratio m_1 : m_2 by the Coordinate A. So, the coordinates of A are given by the formula:

(\frac{m_1x_2+m_2x_1}{m_1+m_2} , \frac{m_1y_2+m_2y_1}{m_1+m_2})

Here, \frac{57}{8} = \frac{5x+(8 \times 4)}{5+8}

\frac{13 \times 57}{8} = 5x+32

\frac{741}{8} = 5x+32

5x= 60.625

x = 12.125

Now, -3=\frac{5y+(8 \times 2)}{5+8}

-39 = 5y+16

-55 = 5y

y = -11

So, the coordinate is Y(12.125, -11).

5 0
4 years ago
Kiran is playing a video game. He earns 3 stars for each easy level he completes and 5 stars for each difficult level he complet
Marina86 [1]

Answer:

10 easy levels and 10 difficult levels

Step-by-step explanation:

Given data

let the number of easy levels be x

and the number of difficult levels be y

so

x+y= 20----------1

and

3x+5y= 80------2

from 1

x=20-y

put this in 2

3(20-y)+5y= 80

60-3y+5y=80

2y=80-60

2y=20

y= 20/2

y= 10

put y= 10 in 1

x+10=20

x=20-10

x= 10

Hence Kiran played 10 easy levels and 10 difficult levels

7 0
3 years ago
HELPPP simplify the expression !!!
solong [7]

Answer:

Exact form: 3√5/5

Decimal form: 1.34164078...

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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