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dem82 [27]
2 years ago
15

I NEED HELP WITH TRIANGLES!!!!

Mathematics
1 answer:
Fittoniya [83]2 years ago
6 0
The length of AC is congruent to WY
d = 10
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Help plz:)))I’ll mark u Brainliest
rodikova [14]

Answe

Step-by-step explanation:

The interior angles of a triangle add up to 180. We know from the photo that there is a 90° angle and an 18° angle, and 90-18 is 72, so the other interior angle is 72°. The question is asking you to find the value of side x, so you'll need to use sin.

sin (72°) = x/16

x ≈ 15.2

4 0
3 years ago
Dexter had 15 fish in his fish tank. 7 were
melamori03 [73]

Answer:12

Step-by-step explanation: so sart by subtracting 15 and 7

15-7

this gives you 8

now add 4

8+4

this gives you 12

6 0
3 years ago
Solve the equation by completing the square. If necessary, round to the nearest hundredth.
diamong [38]
Ax^2+bx=c
REMEMBER THIS

ok
first, make sure that a is 1
done

now take 1/2 of b and square it

-18/2=-9, (-9)^2=81
add that to both sides

x²-18x+81=19+81
x²-18x+81=99
factor perfect square
(x-9)²=100
square root both sides
don't forget positive and negative root
x-9=10
x-9=-10
ad 9 to both sides

x=19
x=-1




answer is -1; 19

2nd choice is answer
8 0
3 years ago
Read 2 more answers
Which is a better deal?<br> 4 bags of chins for $1.00 or 6 bags of chips for $1.20?
AlexFokin [52]

Answer:

6 bags of chips for 1.20

3 0
3 years ago
7 <br><br><br>Find the value of the expression. Z + 2y for y = 6 and z = 1​
Volgvan

Answer:

13

Step-by-step explanation:

1+2×6=13

boy!!!!!!!!!!!!!!

8 0
3 years ago
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