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Vaselesa [24]
3 years ago
15

If DE=4x+10, EF= 2x-1, and DF=9x-15, Find DF

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

Df=9x-15

Step-by-step explanation:

The answer is on the question

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Which equation has exactly one solution in common with the equation y=6x-2?
evablogger [386]
A because i did the maths and its A
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3 years ago
What is the answer to 76?
vovangra [49]

Answer:

13.2 minutes or 13 minutes 12 seconds.

Step-by-step explanation:

1. Count how much water drains the first pump every minute. Let the volume of pool be D. Every minute first pump drains D/11 water.

2. Working together(6 minutes) First pump drains 6D/11 water, hence the second pump drains 5D/11 water.

3.Count how much water drains second pump per minute -> (5D/11)/6= 5D/66

4. It takes the second pump 66 minutes to drain pool 5 times, thus it takes 13.2(66/5) minutes to drain the pool, which is 13 minutes 12 seconds.

7 0
3 years ago
How to find the area of this
Maslowich

Answer:

A =4.5 m^2

Step-by-step explanation:

The area is found by

A = bh

The base is 2.5 and the height is 1.8

A = 2.5*1.8

A =4.5 m^2

7 0
3 years ago
Graph the ordered-pair solutions of y=lx-1 when x=-5, -3,,0,1,2.
34kurt
Y = x - 1
y = -5 - 1
y = -6
(x, y) = (-5, -6)

y = x - 1
y = -3 - 1
y = -4
(x, y) = (-3, -4)

y = x - 1
y = 0 - 1
y = -1
(x, y) = (0, -1)

y = x - 1
y = 1 - 1
y = 0
(x, y) = (1, 0)

y = x - 1
y = 2 - 1
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4 0
3 years ago
Write an equation to match each graph:
morpeh [17]

Write an equation to match each graph.

Solution:

The first graph is V shaped graph centered at origin, (0,0) and the graph is not shifted or translated. So, the equation of first graph is,

y=|x|

The second graph is V shaped graph centered at (1,0) and y=|x| is horizontally shifted right by 1 unit. So, the equation of second graph is,

y=|x-1|

The third  graph is also V shaped but, it is inverted V graph centered at (0,1) . As, the graph is inverted V So, the graph must have y=-|x|. But, as the center is (0,1). So, the graph is shifted up by 1 unit. So, the equation of the third graph is,

y=-|x|+1

The fourth graph is shifted V graph, whose center is (1,-1). So, y=|x| is shifted right by 1 unit and down by 1 unit. So, the equation of fourth graph is,

y=|x-1|-1

The center of fifth graph is (-1,0), So, y=|x| graph is shifted left by 1 unit. So, the equation of fifth graph is

y=|x+1|

5 0
3 years ago
Read 2 more answers
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