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lyudmila [28]
2 years ago
5

Question 9 I really need some help on this one

Mathematics
1 answer:
irinina [24]2 years ago
5 0
Question 9 is A, and question 10 is 10^5.
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Please Help!
Marina CMI [18]

Answer:

Letter:C

Step-by-step explanation:

<u>#CARRY</u><u> </u><u>ON</u><u> </u><u>LEARNING</u>

3 0
3 years ago
What is the common difference in this sequence: 4, 13, 22, 31, 40?
IgorC [24]

Answer:

9

Step-by-step explanation:

To find the common difference, take the second term and subtract the first term

13-4 =9

Lets check:

Take the third term and subtract the second term

22-13 =9

The common difference is 9

5 0
3 years ago
Read 2 more answers
A diver went 25.65 feet below the surface of the ocean and then 16.5 feet further down he then rose 12.45 feet. Write and solve
trasher [3.6K]
X= 25.65 + 16.5 - 12.45
X=29.70
6 0
3 years ago
Read 2 more answers
The angle of elevation to the top of a 30 story skyscraper is measured to be 3 degrees from a point on the ground 2,000 feet fro
Leto [7]
You have an angle of elevation of 3 degrees and you're 2000 ft from base of 30 story building. 
<span>Draw a picture of this. Then tan(3) = ht of bldg/2000 </span>
<span>I get a height of 104.82 ft rounded to 2 dp. </span>


<span>5. Ok. use the Pythagorean Theorem here to find the hypotenuse of the right triangle </span>
<span>hypt = sqrt(50^2 + 9^2) </span>
<span>Now sine of the angle of elevation is 50/hypt. = 0.984 or 0.98 to 2 dp.</span>
4 0
3 years ago
Could someone please answer these two
exis [7]

Answer:

SEE BELOW

Step-by-step explanation:

1. find value of m

a^2 + b^2 = c^2

7.5^2+10^2=c^2

15+100=c^2

115=c^2

square it

=10.7 (not answer)

a^2+b^2=c^2

10.7^2+30^2=c^2

114.49+900=c^2

1014.49=c^2

square it

m=31.9

2.20^2 + 21^2 = 841

29^2=841

yes the triangle is right angled !!!

hope this helps :)

6 0
3 years ago
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