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3 years ago

15

6th 7th 8th

1 answer:

ollegr [7]3 years ago

5 0

Answer:

4 need to join the club to remain same to grade 8th

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Using quadratic equation:<br>help me solve it<br><img src="https://tex.z-dn.net/?f=10x%20-%20%20%5Cfrac%7B1%7D%7Bx%20%7D%20%20%3

pochemuha

Answer:

$10x - \frac{1}{x} = 3 \\ 10x = 3 + \frac{1}{x} \\ 10x = \frac{3x + 1}{x} \\ 10x \times x = 3x + 1 \\ 10 {x}^{2} = 3x + 1 \\ 10 {x}^{2} - 3x - 1 = 0 \\ 10 {x}^{2} - 5x + 2x - 1 = 0 \\ 5x(2x - 1) + 1(2x - 1) = 0 \\ (5x + 1)(2x - 1) = 0 \\ \\ 5x + 1 = 0 \\ 5x = - 1 \\ x = \frac{ - 1}{5} \\ \\ 2x - 1 = 0 \\ 2x = 1 \\ x = \frac{1}{2}$

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>

<em>Have</em><em> </em><em>a</em><em> </em><em>nice</em><em> </em><em>day</em><em>!</em>

4 0

3 years ago

Need this for homework plz help me due by 3:30

bagirrra123 [75]

Answer:

1. pi*3^2=9pi <------ you can replace pi with 3.14 or 22/7 by multiplying

2. pi*d/2 ^2= pi*16=16pi

3. The square root of 78.5/pi should be the radius

4. 100pi

5. square root of 3.14/pi

6. 16pi

7. 36pi

8. 81pi

Step-by-step explanation:

5 0

3 years ago

What is the next term for the given arithmetic sequence?<br><br> -3, -2.25, -1.5, -0.75, ...

11Alexandr11 [23.1K]

Common difference = 0.75
Next term = -0.75 + 0.75 = 0

4 0

4 years ago

You are fitting a new kitchen and measure the folllowing lengths of pipe.

Dafna1 [17]

we know that

$1$ meter is equal to $100$ centimeters

Step $1$

<u>convert all measurements to centimeters</u>

<u>case 1) </u> $0.81\ m$

$0.81\ m = 0.81*100= 81\ cm$

<u>case 2) </u> $1.08\ m$

$1.08\ m = 1.08*100= 108\ cm$

<u>case 3) </u> $0.8\ m$

$0.8\ m = 0.8*100= 80\ cm$

<u>case 4) </u> $180\ cm$

<u>case 5) </u> $18\ cm$

Step $2$

<u>Compare the values</u>

we have

$[81,108,80,180,18]$

the shortest length is $18$

the longest length is $180$

Step $3$

<u>Subtract the shortest length from the longest</u>

$180\ cm-18\ cm=162\ cm$

therefore

<u>the answer is</u>

$162\ cm$

6 0

4 years ago

Read 2 more answers

In △JKL, LO=104 cm.

Vladimir79 [104]

Answer:

The answer is 52 cm

Step-by-step explanation:

8 0

3 years ago