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VladimirAG [237]
3 years ago
10

1. What is the 10th term of an arithmetic sequence 15,9,3,-6....?

Mathematics
1 answer:
Scilla [17]3 years ago
5 0

Answer:

-42

i used a calculator and subtracted by 6. 6 times

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Wires are attached to a pole to make it more secure. The diagram shows one of those wires having a length of 220 feet. The angle
LuckyWell [14K]
The wire, the pole and the segment joining the leg of the pole to the wire in the ground form a right triangle whose hypotenuse is the wire, and the side opposite to the angle 36° is the pole.

By right triangle trigonometry, sin36°=(opposite side)/(hypotenuse.)

Substituting, we have 0.588=(opposite side)/220, thus the length of the opposite side, which represents the length of the pole, is 

                                       0.588*220 ft=129.3 ft
3 0
3 years ago
Simplify (5+1)^2-(12+3^2)/3
lakkis [162]

Answer:

29

Step-by-step explanation:

Simplify the expression (5+1)^2-\dfrac{12+3^2}{3} step by step:

1.

(5+1)^2=6^2=6\cdot 6=36

2.

\dfrac{12+3^2}{3}=\dfrac{12+3\cdot 3}{3}=\dfrac{12+9}{3}=\dfrac{21}{3}=7

Now,

(5+1)^2-\dfrac{12+3^2}{3}=36-7=29

3 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST PLS HELP<br> Will these side lengths make a triangle? 5 yds, 6 yds, 5 yds
Elina [12.6K]

Answer:

Yes!

Let the height of the triangular shaped garden be h yards. Its base would then be 5+h yards.Step-by-step explanation:

4 0
2 years ago
2x =56<br> 2x = 58<br> 2x = 204<br> 2x = 304
Lady_Fox [76]
.........
....................
6 0
2 years ago
The sum of two numbers is 95. If the larger is increased by twice the smaller, the result is 120. Find the numbers.
adelina 88 [10]
Hello!

You can make two expressions based on what you know

let x equal the larger number
let y equal the smaller number

x + y = 95
x + 2y = 120

We can use elimination to get rid of x

You can subtract the two equation to get rid of x

-y = -25

Since y is negative we can multiply both sides by -1 to make y positive

y = 25

Now we can put this into one of the other equations to find x

x + 25 = 95

subtract 95 from both sides

x = 70

The answers are 70 and 25

Hope this helps!
3 0
2 years ago
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