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Ludmilka [50]
3 years ago
12

What is the slope of a line that is parallel to the line represented by the equation y = -2/5x + 4/5

Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0
If x= 2 y=0
x=1 y=2/5
Viefleur [7K]3 years ago
7 0
The slope of <span>y = -2/5x + 4/5</span> is -2/5 
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Find the missing dimension.
Alecsey [184]

Answer:

2 m

Step-by-step explanation:

Here the area and the lengths of the two parallel sides of this trapezoid are given:

A = 7m^2, b1 = 3 m and b2 = 4 m.  What's missing is the width of the trapezoid.

First we write out the formula for the area of a trapezoid:

       b1 + b2

A = --------------- * w, where w represents the width of the figure.

             2

We need to solve this for the width, w.  Multiplying both sides of the above equation by

     2

------------

b1 + b2

results in

 2A

------------ = w

b1 + b2

Substituting 7 m^2 for A, 3 m for b1 and 4 m for b2 results in

        2(7 m^2)           14 m^2

w = ------------------ = ---------------- = 2 m

        (3 + 4) m             7 m

The missing dimension is the width of the figure.  This width is 2 m.

4 0
3 years ago
You are considering two cars that you plan on keeping for 5 years. One has an EPA combined city and highway rating of 33 mpg. Th
amid [387]

Answer:

a) $86.11

b) $467.33

Step-by-step explanation:

no. of gallons saved 'n' per year

n = (10000/33) - (10000/36)

n = 2500/99

Amount saved = 3.41×n = 3.41×2500/99

= $86.11

b) over 5 years:

86.11( 1 + (1.041) + (1.041)² + (1.041)³ + (1.041)⁴ )

= 86.11(5.427157431)

= $467.33

6 0
3 years ago
What is the following sum? ^3√125x^10y^13+^3√27x^10y^13
Nat2105 [25]

8x^3y^4(3 sqrt xy) LETTER A :)

7 0
3 years ago
Read 2 more answers
Is ab perpendicular to cd ? Explain.
Afina-wow [57]
We know that
if two lines are perpendicular
then
the slopes 
m1*m2=-1

step 1
find the slope AB
A (0,2)
B (-3,-3)
m=(y2-y1)/(x2-x1)-----> m=(-3-2)/(-3-0)-----> m=-5/-3----> m1=5/3

step 2
find the slope CD
C (-4,1)
D (0,-2)
m=(y2-y1)/(x2-x1)-----> m=(-2-1)/(0+4)-----> m=--3/4----> m2=-3/4

step 3
multiply mi*m2
(5/3)*(-3/4)-----> -15/12
so
15/12 is not -1
therefore
 AB is not perpendicular to CD
4 0
3 years ago
Carlos earned $112 for 8 hours of work. AT THIS RATE, how much will he
eimsori [14]

Answer:

he earns $14 per hour so multiply 14 by 40=560

4 0
3 years ago
Read 2 more answers
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