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Firdavs [7]
2 years ago
5

Can y’all help me on question nine?!

Mathematics
1 answer:
Fudgin [204]2 years ago
5 0

Answer:

24

Step-by-step explanation:

x=2

x³+7x+2

2³+14+2

8+14+2

24

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If f(1) =160 and f(n+1) = -2f(n), what is f(4)?
Margarita [4]

Answer:

-1280.

Step-by-step explanation:

f(n + 1) = -2 f(n):

As  function of 1 = 160,  function of 2 = -2 * 160 = -320.

function of 3 = -320 * -2 =  640  and

= function of 4 = 640 * -2 = -1280.

4 0
2 years ago
The sum of four times a number and five times another number is -28. The sum of nine times the first number and two times the se
dedylja [7]

Answer:

  -8

Step-by-step explanation:

If we let x and y represent the first and second numbers, respectively, we can write the problem statement as the equations ...

  • 4x +5y = -28
  • 9x +2y = 11

We can multiply the first equation by -9 and add 4 times the second equation to get an equation in y alone:

  -9(4x +5y) +4(9x +2y) = -9(-28) +4(11)

  -37y = 296 . . . . . simplify

  296/-37 = y = -8 . . . . . divide by the coefficient of y

The second number is -8.

7 0
3 years ago
tina puts the letters of the word RADAR on pieces of paper and puts the pieces in a bag she draws two letters without looking th
Alona [7]
The probability of the first pull is \frac{1}{5}
The probability of the second pull is \frac{1}{4}
3 0
3 years ago
Read 2 more answers
What number is 1/8 of 1000
Dmitry_Shevchenko [17]
125    125x8=1000    1/8 of 1000 is 125


5 0
3 years ago
Read 2 more answers
Please someone should help me out​
ki77a [65]

Answer:

6cm is the missing length

Step-by-step explanation:

See the 10cm and the 4cm?

If you look at in a way if you added 6 more centimeters to the 4cm it would be 10, leaving 6cm as the missing length.

8 0
3 years ago
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