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mamaluj [8]
3 years ago
7

1) What is 5/7 x 3/5? A)2/3 B)2/9 C)3/7 D)5/4

Mathematics
2 answers:
Yuliya22 [10]3 years ago
8 0

Answer: 3/7

Step-by-step explanation:

Tpy6a [65]3 years ago
5 0

Answer:

C)3/7

Step-by- step explanation:

5/7 x 3/5= 0.42857142857

3/7 = 0.42857142857

plz mark brainleist

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Consider the line 5x-8y=8 what is the slope of a line perpendicular to this line what is the slope of a line parallel to this li
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\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2,\ \text{then}\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\\\\text{Convert the equation to the slope-intercept form}\ y=mx+b.\\\\5x-8y=8\qquad\text{subtract}\ 5x\ \text{from both sides}\\\\-8y=-5x+8\qquad\text{divide both sides by (-8)}\\\\y=\dfrac{5}{8}x-1\to m_1=\dfrac{5}{8}\\\\perpendicular:\ m_2=-\dfrac{1}{\frac{5}{8}}=-\dfrac{8}{5}\\\\parallel:\ m_2=\dfrac{5}{8}

8 0
3 years ago
What is the slope of (3,5) and (1,3)
Maksim231197 [3]
(3,5)....x1 = 3 and y1 = 5
(1,3)....x2 = 1 and y2 = 3

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slope = (3 - 5) / (1 - 3) = -2/-2 = 1 <== slope is 1
7 0
3 years ago
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Please help me please final exam
Ann [662]

Answer:

360

Step-by-step explanation:

8 0
2 years ago
I need help on this question can someone please help me?
Svetllana [295]

I really hate these algebra problems pretending to be geometry.  

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4n - 2 = 2n + 32

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3 years ago
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The area of a playground is 336 yd2. The width of the playground is 5 yd longer than its length. Find the length and width of th
kondaur [170]
L=16
W=21

Set up a systems of equations: 
x=length 
y=width 

xy=336
x+5=y

Use substitution to solve: 
x(x+5)=336
x^2+5x=336 

Solve using factoring: 
x^2+5x-336=0
(x-16)(x+21)=0
x=16 and x= -21 
Since length can't be negative, l=16 

To find width, plug length into the first equation: 
(16)y=336
y=21 

So...
L=16
<span>W=21</span>
7 0
3 years ago
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