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Fittoniya [83]
4 years ago
7

a child lies on the ground and looks up at the top of a 14-ft tree nearby. the child is 7ft away from the tree, what is the angl

e of elevation from the child to the top of the tree? round to the nearest whole number??
Mathematics
1 answer:
Ugo [173]4 years ago
7 0
45 degrees. 7 feet from a 14 foot tall tree means half of ninety degrees since seven is half of fourteen
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Brandon’s family is planning a trip from Dallas to San Antonio. Dallas is about 272 miles from San Antonio. If Brandon’s dad dri
Butoxors [25]
Since he drives 60 miles per hour we'll divide 272 by 60

272/60=4.5

it will take 4.5 hours

I hope I've helped!
6 0
4 years ago
Hannah is 2 times her sister’s age. The sum of their ages is no more than 18 years. 1) Write an inequality that can be used to r
svetoff [14.1K]

Answer:

1) x+2x\leq 18.

2) 6 years

Step-by-step explanation:

Let Hanna's sister be x years old.


Then Hanna will be 2x years old.


The sum of their ages will be x+2x years.

The statement "no more than 18" means the sum of their ages is less than or equal to 18.

The required inequality is;

x+2x\leq 18.

2)

The inequality we just found is


x+2x\leq18.

We simplify to get;

3x\leq 18.

we divide both sides by 3 to get;

x\leq 6.

Therefore the oldest age Hannah's sister can be is 6 years




3 0
4 years ago
5. Find the coordinates of the midpoint of the segment whose endpoints are 1l(6, 4) and K(2. 8).
Cerrena [4.2K]

Answer:

5. D (4,6)

6. B (7.8)

Step-by-step explanation:

5. Add the two X coordinates (6+2) and divide that by 2 (8/2=4), do the same for the two Y coordinates (4+8=12, 12/2=6)

6. Use the distance formula \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}\\

Input the coordinates \sqrt{(3-8)^{2}+(8-2)^{2}

3 0
3 years ago
Read 2 more answers
Find m∠MON<br> I have a hard time with theses
fredd [130]

Answer:

m∠MON = 15°

Step-by-step explanation:

The given parameters are;

m∠LON = 77°

m∠LOM = 9·x + 44°

m∠MON = 6·x + 3°

By angle addition postulate, we have;

m∠LON = m∠LOM + m∠MON

Therefore, by substituting the known values, we have;

∴ 77° = 9·x + 44° + 6·x + 3°

77° = 9·x + 44° + 6·x + 3° = 15·x + 47°

77° = 15·x + 47°

77° - 47° = 15·x

15·x = 77° - 47° = 30°

15·x = 30°

x = 30°/15 = 2°

x = 2°

Given that m∠MON = 6·x + 3° and x = 2°, we have;

m∠MON = 6 × 2° + 3° = 12° + 3° = 15°

m∠MON = 15°.

3 0
3 years ago
A long distance phone call between two cities costs $3.43 for 7 minutes. What is the rate in cents per minute?
Evgesh-ka [11]
3.43 dollars divided by 7 minutes = 0.49 cents
4 0
3 years ago
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