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4 years ago

What is a rule for the sequence below ? 1.8,2.85,3.90,4.95,6

Mathematics

2 answers:

slavikrds [6]4 years ago

4 0

You Add 1.05 Hope My Answer Helps You

Kisachek [45]4 years ago

4 0

Is the number increasing or decreasing?
Then do the inverse operation. Such as:
The example you give above, the numbers are increasing (adding) so to find the sequence, use minus. So now to solve the problem, you have to go backward. Such as 6 minus the number back of it so, 6-4.95=1.41. This means to get 4.95 to 6 is 1.41. And then do the next step the same thing. If you end up more than two sequel, it's okay. Just say (Example)> The sequel it is going back 5.87 and 5.89.

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FIRST TO ANSWER GETS BRAINLIEST: The average age of one hundred Year 9 students is 14 y 10 m. The average age of one hundred Yea

Dvinal [7]

Answer:

2) 14 y 2 m

Step-by-step explanation:

Year 9 students: total age= 100* 14 10/12= 1400 +100*5/6= 1483 y 8 m

Year 8 students: total age= 100* 13 6/12= 1350 y

Total age of 200 students: 1483 y 8 m + 1350 y= 2833 y 8 m

Average age= 2833 8/12 ÷ 200= (12*2833+8)/12 ÷ 200 = 34004/(12*200)= 34004/2400= 14 404/2400 ≈ 14 1/6 y= 14 y 2 m

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3 years ago

HELPPP frenss!!! HURRY j

Anastasy [175]

Answer:

(2, -7)

x = 2

y = -7

Step-by-step explanation:

Let's solve this system of equations by elimination.

Start by multiplying the first equation by 2:

$2(4x)+2(3y)=2(-13)\\8x+6y=-26$

Next, multiply the second equation by 3:

$3(-5x)+3(2y)=3(-24)\\-15x+6y=-72$

Notice that both equations now have a "6y", meaning we can subtract both equations and thereby eliminating the variable "y" from the equation:

$8x+6y-(-15x+6y)=-26-(-72)\\8x+6y+15x-6y=-26+72\\23x=46$

Divide both sides by 23

$x=2$

Substitute 2 for "x" to solve for "y".

$4x+3y=-13\\4(2)+3y=-13\\8+3y=-13$

Subtract 8 from both sides:

$3y=-21$

Divide both sides by 3:

$y=-7$

Therefore the answer is:

$(x, y)=(2, -7)$

Additional Comments:

Note that we can only divide, subtract, multiply, or add both sides of the equation by the same quantity due to the Division, Subtraction, Multiplication, or Addition Property of Equality. These properties state that if you divide/subtract/multiply/add one side of the equation by one quantity, you must do the same to the other side of the equation so that it remains an equation.

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2 years ago

Gerry is reading a book that has 475 pages. He already read some of it last week. He plans to read 160 pages tomorrow. By then,

inessss [21]

475=160-(4/5)b is the correct answer

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3 years ago

I need help! This is due in 30 minutes!!!

slavikrds [6]

Answer:

b = 33°

Step-by-step explanation:

A full circle is 360°.

360° - 296° - 31° = b

360° - 296° - 31° = 33°

4 0

3 years ago

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A grid map marks the plot of Harold’s garden in meters. The coordinates of the quadrilateral-shaped property are G(–8, 3), A(4,

NemiM [27]

To calculate for the perimeter of the garden, we have to solve for the measures of each of the sides of the four-sided polygon. That is calculated by getting the distances between consecutive points.

The equation for the distance is,

d = sqrt ((x₂ - x₁)² + (y₂ - y₁)²)

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d = sqrt ((4 - -8)² + (8 - 3)²)
d = 13
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d = sqrt ((10 - 4)² + (0 - 8)²)
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d = sqrt ((-2 - 10)² + (-5 - 0)²
d = 13
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d = sqrt ((-8 --2)² + (-5 -3)²)
d = 10

Summing up all the four calculated distances will give us an answer of 46. Thus, the perimeter of the garden is 46 units.

8 0

3 years ago

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