3 years ago

Can you help me with number 3 or 4 please

2 answers:

Alja [10]3 years ago

5 0

4. $7.19 (simply just subtract the two)

4 0

3. i think it’s 67.54

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Neporo4naja [7]

It would be 3/5 because if you simplify it you would bet 3/5

4 0

3 years ago

insens350 [35]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \:Angle \:\: of \:\: elevation= 30°$

____________________________________

$\large \tt Solution \: :$

Let the angle of elevation be " x "

$\qquad \tt \rightarrow \: \cos(x) = \dfrac{9 \sqrt{3} }{18}$

$\qquad \tt \rightarrow \: \cos(x) = \dfrac{ \sqrt{3} }{2}$

$\qquad \tt \rightarrow \: x = \cos {}^{ - 1} \bigg( \cfrac{ \sqrt{3} }{2} \bigg )$

$\qquad \tt \rightarrow \: x = 30 \degree \: \: or \: \: \cfrac{ \pi}{6} \: \: rad$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

8 0

2 years ago

Troyanec [42]

X + x+1 + x + 2 = 20
3x + 3 = 20
3x = 17 but can't start with x = 6 because 6+7+8 > 20,
so have start with 5 + 6 + 7 = 18 are the 3 sides.

3 0

3 years ago

KatRina [158]

Answer:

wdym they all are graphed correctly its a number line.

Step-by-step explanation:

4 0

3 years ago

Nataly [62]

X^2 + 6x +9
(x+3) (x+3)

x+3 = 0
x = -3

answer: x=-3

4 0

3 years ago