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gizmo_the_mogwai [7]
2 years ago
7

The diagram shows a sketch of a survey done by a civil engineering student .Find the value of x,giving your answer correct to 1

decimal place

Mathematics
1 answer:
Hatshy [7]2 years ago
7 0

You can do this by drawing one line through parallel to PQS to meet RQ at T

Now calculate length of RT:-

cos 70 = RT / 70 giving RT = 23.94m

sin 70 = ST/70 giving ST = 65.78 m

draw a line from S perpendicular to PQ to meet PQ at U.

PU = 110 - 65.78 = 44.22 m

tan 50 = SU / 44.22 giving SU = 52.70 m

TQ = SU = 52.70 m

So x = TQ + RT = 52.70 + 23.94 = 76.6 m to 1 dec place.

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The infinite sequence 1, 6, 15, 28, 45, ... exhibits which pattern? multiply the term number by 2, subtract 1 from the result, m
Amanda [17]
The correct response is ;
<span>multiply the term number by 2, subtract 1 from the result, multiply by 2 times the term number, and divide the result by 2.
if term number is x,
the number in the pattern for xth term is ;
multiply term number by 2 - 2x
subtract 1 - 2x - 1
multiply by 2 times the term number - (2x-1) * 2x
divide by 2 - (</span>(2x-1) * 2x)/2
so first term x=1
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2/2 = 1
second term x = 2
((2*2-1) * 2*2)/2
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third term x = 3
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3 years ago
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Need help on this activity!!
Artyom0805 [142]

Answer:

C

Step-by-step explanation:

4 0
2 years ago
Given the functions, f ( x ) = x - 8 and g ( x ) = x2 x - 1, perform the indicated operation. when applicable, state the domain
kondor19780726 [428]

(fg)(x)= x³ - 7x² - 9x + 8

domain is (-∞,∞)

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(fg)(x) = f(x) * g(x)

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(fg)(x)= x³ + x² - x - 8x² - 8x +8

(fg)(x)= x³  - 7x²  - 9x + 8

we know, domain for all cubic function is set of all real numbers

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Know more about "functions" here: brainly.com/question/12431044

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6 0
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coldgirl [10]

Answer:

4 seconds

Step-by-step explanation:

When the ball is on the ground h = 0, hence

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factor out - 16t

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equate each factor to zero and solve for t

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They are always on a coplanar

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