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valentinak56 [21]
3 years ago
10

Find a4 in the sequence given by {a1=-3 and an=an-1+7

Mathematics
1 answer:
Vikki [24]3 years ago
5 0

Answer:

a4 = -12

Step-by-step explanation:

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4{3sqaured+4(116-8(2×8))} I need to know ASAP it 9:30 where I live pls hwlp
inysia [295]
Start with 8*2=16
116-8= 108
108(16)=1728
3^2+4=13 13(1728)=22464
4(22464)=89856
The answer is 89,856
3 0
3 years ago
The painting shown at the right has an area of 220. What is the value of x?
tangare [24]

Answer:

9.76

Step-by-step explanation:

area of a rectangle = length * breadth

length = (2x + 3)

breadth = x

given area is 220 sq. inches.

thus,

220 = x * (2x+3)

220 = 2x² +3x

2x² + 3x -220 = 0

x = (-b + √ ( b²-4ac) ) ÷ 2a

x = ( -3 + √ ( 3² - 4*2*220) ) ÷ 2*2

x =9.76

5 0
3 years ago
What is the solution of 6x-20= 4x-4
satela [25.4K]

 

<h3>6x - 20 = 4x - 4</h3><h3>6x - 4x = 20 - 4</h3><h3>2x = 16</h3><h3>x = 16 : 2</h3><h3>x = 8</h3>

6 0
4 years ago
How do I solve this: h + 6/5 = 2
Tju [1.3M]
H = 2 - 6/5
h = 4/5
hope it helps :)
mark brainliest!
4 0
3 years ago
Answer please .Give an explanation so I know ur not just getting points so I dont report. Thank you!
Oliga [24]

9514 1404 393

Answer:

  B.  1.5 = 2p

Step-by-step explanation:

If p is the fraction of the price of a pizza, then 2p is the actual value of that fraction. We're told that is equal to the price of a hotdog, so ...

  2p = 1.5

or

  1.5 = 2p . . . . . . matches choice B

_____

<em>Additional comment</em>

Some of us would "cut to the chase" and compute the fraction directly:

  p = (price of hotdog)/(price of pizza) = 1.5/2

No such choice is offered, so the next best is the equation you get when you  multiply this by 2:

  2p = 1.5

5 0
3 years ago
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