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suter [353]
3 years ago
5

Please help meee I need ittt

Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0
Quaderateral would be the vague abswer and trapazoid would be the more descrptive one.
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Given the triangle below, what is the measure of x to the nearest foot?
luda_lava [24]

Answer:

18 ft

Step-by-step explanation:

Since the triangle is right angled ; we could use trigonometry ;

Using the angle , 40° ; adjacent side, = 14 feets ; hypotenus = x

Cos θ = Adjacent / hypotenus

Cos 40 = 14 / x

0.7660444 = 14 / x

0.7660444x = 14

x = 14 / 0.7660444

x = 18.27

= 18 ( nearest foot)

8 0
2 years ago
2 + 3(x + 2x) = −2x(2 − 4) + 1<br><br> A) −5 <br> B) −<br> 1<br> 5<br> C) 5 <br> D) <br> 1<br> 5
11Alexandr11 [23.1K]

Answer:

B -1/5

you have to follow pemdas first get rid of the parethase which leaves you with 2+3x+6x=-4x+8x+1 then you add what you can do then you get 2+9x=4x+1 then you subtract 2 from both sides and subtract 4x from both sides which leaves you with 5x=-1 then you divide 5 from both sides and get x=-1/5

4 0
3 years ago
Two straight lines that intersect at a right angle are __?__ to each other.
GaryK [48]

Answer: perpendicular lines

Step-by-step explanation:

look up "Two straight lines that intersect at a right angle"

4 0
3 years ago
Read 2 more answers
Find the exact value of secθ if cscθ=-4/3 and the terminal side of θ lies in Quadrant III.
Anton [14]
Quadrant is III so, sign would be negative for Sec.
Now, we know, csc = H / P
So, H = 4, P = 3
Calculate for B, 
B² = H² - P²
B² = 4² - 3²
B² = 16 - 9
B = √7

We know, sec Ф = H / B = 4 / √7
We can write it as: -4√7 / 7  [ -ve sign for 3rd quadrant ]

In short, Your Answer would be Option B

Hope this helps!
6 0
3 years ago
Identify the property used in the following<br>a+b=b+a<br>(ab)c =a(bc)​
KATRIN_1 [288]

Answer: The first one is Commutative Property

The second one is associative property

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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