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Svetlanka [38]
3 years ago
8

Work out 7/9× 5 2/5

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

4 1/5

Step-by-step explanation:

1. \frac{7}{9} * 5\frac{2}{5}  = \frac{7}{9} * \frac{27}{5}

2. \frac{7}{9} * \frac{27}{5} = \frac{7}{1}   * \frac{3}{5}

3. 7 * \frac{3}{5} = \frac{21}{5}

4. \frac{21}{5} = 4\frac{1}{5}

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Amy is helping plan her school's new basketball court. The west edge of the basketball court is located on the line y = 2x + 5.
ipn [44]

Answer:

Line of east wedge is: 2x - y = 96

So, Option 1 is correct.

Step-by-step explanation:

The east edge cannot intersect with the west edge means that two lines are parallel.

If the two lines are parallel then they have same slope. We need to find the slopes of given lines and check which line has slope same as slope of west edge.

Slope of west edge.

y = 2x + 5

The standard equation for slope intercept form is:

y = mx+b

where m is the slope. So, m= 2

Now finding line for east edge.

Option 1.

Convert each given equation to standard slope intercept form and find the slope.

2x -y =96

-y = -2x +96

Multiply with -1

y = 2x -96

m = 2

Option 2.

-2x -y = 96

-y = 2x +96

y = -2x-96

m = -2

Option 3

-y-2x =48

-y = 2x +48

y = -2x -48

m = -2

Option 4.

y+2x = 48

y = -2x+48

m = -2

So, only line of Option 1 has slope = 2 which is equal to the slope of west edge.

Line of east wedge is: 2x - y = 96

So, Option 1 is correct.

7 0
3 years ago
Someone help me with this pls
sasho [114]
The answer would be 8 ^-5
7 0
3 years ago
Read 2 more answers
I need the middle one
viva [34]

Answer:

8

Step-by-step explanation:

1 min = 4/3

4/3 × 6 = 8

the answer is 8

4 0
3 years ago
Read 2 more answers
Dan says he ran twice as far as Karim what possiblities for the distance they each could run
Lelechka [254]
If Karim ran one mile, Dan ran two miles.
If Karim ran three miles, Dan ran six miles.
5 0
3 years ago
On a scale drawing with a scale of 1/80, the height of a building is 9.75 inches. How tall is the actual building?
zmey [24]
The actual building is 780 inches
3 0
3 years ago
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