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4 years ago

Can someone help me with #3? Please and thank you.

Mathematics

2 answers:

irga5000 [103]4 years ago

8 0

The answer is 42 cause you do ( 18*28=12x) wich is 504=12x which equals 42

Dahasolnce [82]4 years ago

7 0

Assuming that this is a proportional question, the answer would be 42.
I hope this helps you.

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aksik [14]

Answer:

1. 44.8

2. 9.6

3. 61.11

4. 50.41

5. 169

12. 300

13. 1.44

14. id k

15. a. 21

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d. 31.5

Step-by-step explanation:

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3 years ago

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KengaRu [80]

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3 years ago

Read 2 more answers

HELP ASAP plz, 45 pts

torisob [31]

Answer:

She didn't take the LCM, made an error while cross multiplying

x = -6

Step-by-step explanation:

a)she didn't take the LCM before cross multiplying.

Also, didn't cross multiply correctly

b) 1 -2/(x-2) = (x+1)/(x+2)

1 - 2/(x-2) = (x+2-1)/(x+2)

1 - 2/(x-2) = 1 - 1/(x+2)

-2(x+2) = -1(x-2)

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x = -6

8 0

3 years ago

The angle of the elevation from the top of a 95 Todd building into a hot air balloon in the sky and 76° if the horizontal distan

AnnZ [28]

Answer:

The height of the hot air balloon is 1514.54 feet approximately.

Step-by-step explanation:

Consider the provided information.

The angle of elevation from the top of a 95-foot tall building to a hot air balloon in the sky is 76. If the horizontal distance between the building and the hot air balloon is 354 feet, find the height of the hot air balloon

The figure is shown below:

Let the height of the balloon is AD, the height of the building is BC.

Draw a line BE parallel to CD.

Therefore, AD=x+95, BC=95 and BE=CD=354 ft

Now in triangle $ABE$ .

$\tan\theta=\dfrac{\text{Opp}}{\text{Adj}}$

$\tan76^{\circ}=\dfrac{AE}{BE}$

$AE\approx 4.01\times 354$

$AE\approx 1419.54$

The height air balloon is 1419.54+95 =1514.54 ft

Hence, the height of the hot air balloon is 1514.54 feet approximately.

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3 years ago

Juive the following equation.<br> X + 4(3x + 32) = 12

aleksandr82 [10.1K]

Answer:

try google algebra calculator

Step-by-step explanation:

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3 years ago