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SIZIF [17.4K]
3 years ago
8

HELP I NEED THIS DONE

Mathematics
1 answer:
Bogdan [553]3 years ago
5 0

Answer:

22

Step-by-step explanation:

since q is given as r + 10 we can add 10 to 12 in the missing place and find the value

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2+7+12+17+22+27 sigma notation
Andre45 [30]

Answer:

87  ?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Carl is standing at the top of 35 Ft cliff looking down at a rock for motion in the sea. He estimates the angle of depression is
Liula [17]

The horizontal distance between Carl and the rock at sea is approximately 60.62ft.

Data;

  • Angle = 30 degree
  • Opposite = 35
  • Adjacent = x

<h3>Trigonometric Ratio</h3>

Given the angle of depression from his point to the sea, we can use trigonometric ratio to calculate for the horizontal distance from his location to the bottom of the sea.

SOHCAHTOA

Since we have the value of angle and opposite and we need to calculate the adjacent side of the right-angle triangle, we can use the tangent of the angle to this effect.

Tan\theta = \frac{opposite}{adjacent} \\tan 30 = \frac{35}{x}\\ x = \frac{35}{tan30}\\ x = 60.62ft

The horizontal distance between Carl and the rock at sea is approximately 60.62ft.

Learn more on trigonometric ratio here;

brainly.com/question/12172664

7 0
2 years ago
A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have
steposvetlana [31]
In order to get an 81 average, 
the student has to get 81x5=405

71+96+90+73+?=405
330+?=405
405-330=75
he needs to get an 75

3 0
3 years ago
Can someone help me with this please ?
d1i1m1o1n [39]

If the triangle is a right triangle, then

       (3x)² + x² = (10)² .

         9x² + x² = 100

             10x²  = 100

                 x²  =  10

                 x  =  √10  =  approx. 3.1622...

If ' x ' is <em>anything less than √10</em> , then the short sides are too short
to make a right angle at the top, and the angle where they meet
is obtuse.

' x ' has to be greater than  2.5 ... otherwise the two short sides
can't stretch far enough to reach both ends of the long side (10) .

So, if    2.5  <  x  <  √10 , then there is a triangle, and it's obtuse.


6 0
3 years ago
Which of these points lies on the line described by the equation below?
Zinaida [17]
C.) (6,4)...................
4 0
3 years ago
Read 2 more answers
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