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N76 [4]
3 years ago
9

Any help please? :( i really need it

Mathematics
2 answers:
Alika [10]3 years ago
6 0
The answer is F(22.5)
Aloiza [94]3 years ago
4 0
Yes! All you have to do is set up some ratios. Since the triangles are similar,

If you put 15 over 12 (15/12) then you would put x over 18 (x/18)

Then cross multiply!
(Shown above)

Your answer is x = 22.5

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3.1 Factorise completely<br><br>3.1.2 3x2 - 2x - 8​
Ugo [173]

Answer:

3x² – 2x – 8

=> 3x² – 6x + 4x – 8

=> 3x( x – 2 ) + 4( x – 2 )

=> ( 3x + 4 ) ( x – 2 )

Therefore,

Either, 3x + 4 = 0

3x = - 4

x = - 4/3 (Ans)

And,

x – 2 = 0

x = 2 (Ans)

7 0
2 years ago
Read 2 more answers
The longest side of an acute isosceles triangle is 12 centimeters, Rounded to the nearest tenth, what is the
vodomira [7]

Answer:

8.5

Step-by-step explanation:

5 0
2 years ago
I need help on this question hurry!!
Natasha_Volkova [10]

Answer:

(0.4,1)

Step-by-step explanation:

I hope that this is for homework and not a quiz or test.

Since we already know the value of y which is 1, we can substitute it into the equation above it.

-5x+3=1

-5x=-2

x=2/5=0.4

So in (x,y) format (0.4,1)

6 0
3 years ago
Oliver's plane landed at the airport at 8:00 at night. The plane ride was 9 hours and 39 minutes,
Eddi Din [679]

Answer:

10:21 in the morning

Step-by-step explanation:

8:00-8 hrs=12:00

12:00-1 hr and 39 min = 10:21

7 0
2 years ago
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One kilogram is approximately equal to 2.21 pounds. Find the number of pounds in 165 kilograms. Round to the nearest tenth of a
Shtirlitz [24]

Answer: 364.7 pounds

Step-by-step explanation: Multiply the number of kilograms, 165, by the number of pounds per kilogram, 2.21.

165 x 2.21 = 364.65

Round to the nearest tenth.

364.7 pounds in 165 kilograms.

8 0
2 years ago
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