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dedylja [7]
2 years ago
13

Jordan is chopping wood for the winter. for 10 days in a row, he follows the same process: In the morning, he chops 20 pieces of

wood and in the afternoon, he chops an additional 30 pieces of wood. On the 11th day, Jordan only chops 5 pieces of wood
Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
3 0
What is the question bro
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What expression is equal to 6×8?<br> A. 8×6<br><br> B. 14×1<br><br> C. 6×4×8<br><br> D. 4+2×7+1
iogann1982 [59]
Well, you need to see which is equal to 6*8
6*8 = 48

14*1 = 14
6*4*8 = 192
(4+2)*(7+1) = 48
6 0
2 years ago
Solve with quadratic formula.<br> 4k^2- 20 = k
zvonat [6]

Answer: k= \frac{1+\sqrt{321} }{8} , \frac{1-\sqrt{321} }{8}

Step-by-step explanation:

Move all terms to one side.

4^{2} -20-k=0

Use the Quadratic Formula.

k=\frac{1+\sqrt{321} }{8} , k=\frac{1-\sqrt{321} }{8}

5 0
2 years ago
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11 less than 7 times a number is 5 more than 6 times the number. find the number.
kolezko [41]

Let's translate the words into expressions:

11 less than 7 times a number is 7x-11

5 more than 6 times the number is 6x+5

So we have the equation

7x-11 = 6x+5

Subtract 6x from both sides:

x - 11 = 5

Add 11 to both sides:

x=16

7 0
3 years ago
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What is this answer to this
Leviafan [203]
Your answer would be 14 and 2/3
4 0
2 years ago
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Choose the solutions of the following systems of equations x^2+y^2=6 and x^2-y=6
den301095 [7]

Answer:

The solutions are (-√6,0) and (√6,0)

(-√5,-1) and (√5,-1)

Step-by-step explanation:

The equations are:

{x}^{2}  +  {y}^{2}  = 6

and

{x}^{2}  - y = 6

We make y the subject in the second equation to get;

y =  {x}^{2}  - 6

We substitute into the first equation to get:

{x}^{2}  +  ({x}^{2}  - 6 )^2= 6

x =  \pm \sqrt{6}

and x =  \pm \sqrt{5}

The solutions are (-√6,0) and (√6,0)

(-√5,-1) and (√5,-1)

7 0
2 years ago
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