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arsen [322]
3 years ago
8

Jack is using a ladder to hang lights up in his house.he places the ladder 5 feet from the base of his house and leans it so it

reaches a window 14 feet above the ground. find the angle of elevation of the ladder.
A) 65.5
B) 68.4
C) 70.3
D) 71.5
E) 72.9
Mathematics
2 answers:
Mariana [72]3 years ago
5 0

B I’m not very good at math buh I’m sure that’s the answer

Vaselesa [24]3 years ago
4 0

Answer:

C

Step-by-step explanation:

Using trig ratios and right triangle it would be arctan (14/5) equal 70.346

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Linh has obtained scores of 82, 79, and 75 on her midterm algebra exams. If the final exam counts twice as much as a midterm, wh
OLga [1]

Answer:

She must make a score of 42 in the final exam to obtain an average of 80.

Step-by-step explanation:

Hi there!

Let x be the score of the final exam, the equation will be as follows (remember that the score of the final counts double):

(82 + 79 + 75 + 2x)/4 = 80

Let´s solve the equation for x multiplying each side of the equation be 4:

82 + 79 +75 + 2x = 320

Substract 82, 79 and 75 to both sides of the equation:

2x = 320 - 82 - 79 -75

2x = 84

x = 84/2

x = 42

She must make a score of 42 in the final exam to obtain an average of 80.

Have a nice day!

8 0
3 years ago
Can you answer those 2 questions please?!thank you
Brrunno [24]

Answer:

Question 1: Fraction

Question 2: Equal

Step-by-step explanation:

I know Q1 is right, I'm not so sure about Q2 so I'm sorry if that's wrong

5 0
3 years ago
A train travels 91 kilometers in 2 hours, and then 97 kilometers in 3 hours. What is its average speed?
Andrei [34K]
I think the average spend is 11 km. i don't know for sure..
6 0
3 years ago
Please answer this correctly
lozanna [386]

Answer:

no it to low

Step-by-step explanation:

the answer was 4998

8 0
3 years ago
9d + d + 2d - 4 = 6d<br><br> A: 2/3<br> B: -2<br> C: 2/9<br> D: -9 <br><br> Please comment
jonny [76]
<span>9d + d + 2d - 4 = 6d
Add d to 9d
10d+2d-4=6d
Add 2d to 10d
12d-4=6d
Subtract 12d from both sides
-4=-6d
Divide -6 on both sides
Final Answer: 4/6 or 2/3 *Both answers are equivalent to each other.</span>
5 0
3 years ago
Read 2 more answers
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