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Bingel [31]
2 years ago
11

5 POINTS!!! Simplify. 2+x/8x / 3+x/x

Mathematics
1 answer:
Damm [24]2 years ago
5 0

 

 

( 8 x − 3 ) 2  as  as  ( 8 x − 3 ) ( 8 x − 3 ) . ( 8x − 3 ) ( 8 x − 3 )

Expand  ( 8 x − 3 ) ( 8 x − 3 )  using the FOIL Method.

8 x ( 8 x ) + 8 x − 3 − 3 ( 8 x ) − 3 ⋅ − 3

64 x 2 −48 x + 9

 


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1/3x + 1/3 = 7x + 5/ 2 find x
LekaFEV [45]

Answer:

-13/40 or -0.325

Step-by-step explanation:

6 0
2 years ago
Triangle ABC is a scaled copy of triangle DEF. Side AB measures 12
Dima020 [189]

Answer:

1. The scale factor here is 1.5

2. The scale factor here is 2/3

Step-by-step explanation:

Here, we shall be dealing with scales of triangles.

we have two triangles;

ABC and DEF

longest sides are in the ratio;

12 : 8

1. What scale factor translates DEF to ABC?

The ratio of the length can be beaten down to 3:2

So therefore, we can see that by multiplying the sides of of DEF by 1.5, we can arrive at the sides of ABC

So the scale factor here is 1.5

2. This is like the other way round of what we have above.

By multiplying the sides of ABC by 2/3, we shall have the sides of DEF

4 0
3 years ago
The product is 200. Both factors are multiples of 10
irinina [24]

Answer:

20 and 10

Step-by-step explanation:


5 0
3 years ago
5. Marie buys 2 pounds of turkey and 1 pounds of ham. She pays a total of $20,
NARA [144]

Answer:Let t = cost per pound of turkey

Let h = cost per pound of ham

 

4t + 2h = 30

t = h - 1.5

 

substitute h-1.5 in place of t in 1st equation

 

4(h-1.5) + 2h = 30

4h - 6 + 2h = 30

6h - 6 = 30

6h = 36

h = 6

 

t = h-1.5 = 4.5

 

1 pound of turkey costs $4.50

1 pound of ham costs    $6.00

                                ----------

cost of 1 pound each  $10.50

Step-by-step explanation:

8 0
2 years ago
A rectangular plot of land that contains 1500 square meters will be fenced and divided into two equal portions by an additional
photoshop1234 [79]
Let the length be x and the width be w

The perimeter will be:
2x+3w=1500

thus
3w=(1500-2x)
w=(1500-2x)/3
w=500-2/3x

The area will be:
A=x*w
A=x(500-2/3x)
A=500x-(2/3)x²

The above is a quadratic equation; thus finding the axis of symmetry we will evaluate for the value of x that will give us maximum area.

Axis of symmetry:
x=-b/(2a)
from our equation:
a=(-2/3) and b=500
thus
x=-500/[2(-2/3)]
x=375
the length will be 375 m

The width will be 250 m

4 0
2 years ago
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