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ELEN [110]
3 years ago
14

I NEED PART B AND C DONE I DID PART A, PLEASE HELP AND TELL ME WHAT PART YOU ARE SOLVING ALSO LOTS OF POINTS!!!

Mathematics
2 answers:
RideAnS [48]3 years ago
7 0

Answer:

(8,10) is not a solution

Step-by-step explanation:

Cuz it’s not on both inequality shaded part but just one of them and also when we substitute one is true and the other one is false

2x + y _< 8

2(8) + 10 _< 8

18 + 10 _< 8

28 _< 8 false

X + y _> 4

8 + 10 -> 4

18 _> 4 true

geniusboy [140]3 years ago
3 0

I don't know the answer to this questions!

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An aeroplane at an altitude of 200m observes the angle of depression of opposite points on the two banks of a river to be 45 and
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Answer:

  84.5 m

Step-by-step explanation:

It is often helpful to draw a diagram for word problems involving geometric relationships. One for this problem is shown below.

The mnemonic SOH CAH TOA reminds you of the relationship between sides of a right triangle:

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Then the width of the river is the difference between these values:

  BC = OC -OB = 200 m - 115.47 m = 84.53 m

4 0
3 years ago
PLS HELP EMERGENCY what is 4/25 times 10. PLEASE ANSWER AS A FRACTION IN SIMPLEST FORM
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