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Kruka [31]
3 years ago
13

WILL GIVE BRAINLIEST ASAP

Mathematics
1 answer:
Blababa [14]3 years ago
7 0

Answer:

Step-by-step explanation:

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7. The bottom of a river makes a V-shape that can be modeled with the absolute value function,
hjlf

Answer:

If one buoy is placed 120 feet away from the left shore, then the distance of the second buoy from the left shore = 480

Step-by-step explanation:

Given that:

The absolute value function:

d(h) = \dfrac{1}{6}|h - 300| - 50

To calculate the position of the buoy where the river bottom is 20 feet below the surface, we equate the absolute value function to the negative value of 20 feet and then solve it for h.

d(h) = -20

d(h) = \dfrac{1}{6}|h - 300| - 50 = -20

Let us add the sum of 50 on both sides, then:

= \dfrac{1}{6}|h - 300| - 50+50 = -20+50

= \dfrac{1}{6}|h - 300| = 30

By multiplying 6 on both sides, we have:

|h - 300| = 30 (6)

|h - 300| = 180

We can attempt the above expression by rewriting it as two equations:

h - 300 = 180   or     h  - 300  = - 180

Let us add 300 to both sides from the two expressions above:

h - 300 + 300 = 180 + 300     or   h - 300 + 300   = -180  + 300

h = 480     or  h = 120

Thus, if one buoy is placed 120 feet away from the left shore, then the distance of the second buoy from the left shore = 480

8 0
3 years ago
If (x + 2) is a factor of x2 - 6x2 + kx + 10, k =
Natali5045456 [20]

Answer:

10.7

Step-by-step explanation:

add multiple than subtract what you multiple and add a decimal

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3 years ago
Identify the slope and y-intercept of the graph of the equation.
Aleksandr [31]

Answer:

4

Step-by-step explanation:

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3 years ago
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If 15% off an item cost 36.21 then what would 100% of the item be?
harina [27]
1-0.15=0.85
36.21/0.85=42.6=ANSWER
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3 years ago
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Put the following equation of a line into slope-intercept form, simplifying all
Rudik [331]

Answer:

y=-3x-3

Step-by-step explanation:

9x+3y=-9

This is currently in standard form, or ax+by=c.

To get it to slope-intercept form, (y=mx+b) first subtract 9x to both sides.

3y=-9x-9

Divide both sides by 3.

y=-3x-3

5 0
3 years ago
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