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Alika [10]
3 years ago
8

Find the missing segments in this 30-60-90 right triangle AB=8 BC=4 CD=?

Mathematics
2 answers:
Georgia [21]3 years ago
4 0
CD= 12 I think if its wrong I'm so sorry
Oxana [17]3 years ago
4 0
I'm guessing that CD would be the 'altitude' of the of the right triangle, also considered as a leg, too, with also AB being the hypotenuse. If this is the case, then CD would measure 4√3. Hope this helps.
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14+y = 3y+2, Find y with a step-by-step explanation.
mrs_skeptik [129]

Answer:

y= 6

Step-by-step explanation:

1. Rearrange the terms before the equal sign: 14+y=3y+2-> y+14=3y+2

2. Subtract 14 from both sides: y+14=3y+2-> y=3y-12

                                                     -14       -14

3. Subtract 3y from both sides: y=3y-12-> y-3y= -12

                                                -3y  -3y  

4. Combine like terms: y-3y= -12-> -2y= -12

                                      1-3 keep the y

5. Divide both sides by -2: -2y= -12-> y= 6

                                              /2    /2

6. So, you're left with y= 6

6 0
3 years ago
Albert deposits $1,228 in an account that pays 2.83% simple interest for five years.
yulyashka [42]

Answer:

Im not sure how to be honest.

Step-by-step explanation:

Im not sure how to be honest.

4 0
3 years ago
Solve for q.<br> mn + q = p<br><br> q = p - mn<br> q = p (mn )<br> q = p + mn
cupoosta [38]
It would be your first answer because since the MN is a positive you have to subtract it to move it to P and you solved for Q
6 0
3 years ago
To measure the height of a tree, a surveyor walked a short distance from the tree and found the angle of elevation was 43.9°, th
padilas [110]

Answer:

The height of the tree is H = 77.06 m

Step-by-step explanation:

From Δ ABC

AB = height of the tree

\tan 43.9 = \frac{AB}{BC}

\tan 43.9 = \frac{h}{x}

h = 0.9623 x ------- (1)

From Δ ABD

\tan 37.6 = \frac{h}{20+ x}

h = 0.77 (x + 20) ----- (2)

Equating Equation  1 & 2 we get

0.9623 x =  0.77 (x + 20)

0.9623 x = 0.77 x + 15.4

x (0.1923) = 15.4

x = 80.08 m

Thus the height of the tree is given by

H = 0.9623 x

H = 0.9623 × 80.08

H = 77.06 m

Therefore the height of the tree is H = 77.06 m

4 0
4 years ago
I forgot what range is...can someone plz help me , thank u
disa [49]

Answer:

3

Step-by-step explanation:

Range is finding the difference between the biggest number(3) and the smallest number(0). 3-0=3

3 0
3 years ago
Read 2 more answers
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