30 POINTS PLEASE HELP;)

Mathematics

2 answers:

Ksenya-84 [330]4 years ago

7 0

Answer:

cant do this but oh well

Step-by-step explanation:

i know you know the answer to this question dude

Luden [163]4 years ago

4 0

Answer:

hi friend i am here lol sry for that stufff

Step-by-step explanation:

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23. Which equation is equivalent to 3x+ 4y = 15?

Vlad [161]

Answer:

$y=\frac{15}{4}-\frac{3}{4}x$

Step-by-step explanation:

$3x+ 4y = 15\\4y=15-3x\\y=\frac{15}{4}-\frac{3}{4}x$

5 0

4 years ago

working together, two pumps can drain a certain pool in 4 hours. if it takes the older pump 9 hours to drain the pool by itself,

Kryger [21]

5 hours because u subtract 9 from 4 u get 5 hours

5 0

3 years ago

Read 2 more answers

The image of (6, 9) under a dilation is (4, 6) The scale factor is

snow_lady [41]

2/3
6-4 9-6
2 3
Scale factor is 2/3

6 0

3 years ago

Can someone help me pls

Verdich [7]

<h3><em>The distance from the lighthouse to the boat will be given by: </em></h3><h3><em>tan θ=opposite/adjacent </em></h3><h3><em>θ=angle of depression=23 </em></h3><h3><em>opposite= height of the lighthouse </em></h3><h3><em>adjacent=distance from the boat to the bottom of the light house </em></h3><h3><em>hence </em></h3><h3><em>tan 23=210/a </em></h3><h3><em>thus solving for a we obtain: </em></h3><h3><em>a=210/tan23 </em></h3><h3><em>hence </em></h3><h3><em>a=494.73 ft</em></h3><h3><em>HOPE IT HELPS !!!</em></h3>

6 0

3 years ago

A swimming pool is in the shape of a regular decagon. One edge of the pool is directly against the outside wall of a house. Find

Mazyrski [523]

Answer:

36 degrees.

Step-by-step explanation:

Total Sum of the Exterior Angle of a Regular Polygon $=360^0$