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lara31 [8.8K]
2 years ago
13

Divide 18 in two parts so that sum of their reciprocals is 2/5

Mathematics
1 answer:
inn [45]2 years ago
4 0

Answer:

3.6

Step-by-step explanation:

I think that is the answer but im not 100 percent sure

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Recall that in a 30 – 60 – 90 triangle, if the shortest leg measures x units, then the longer leg measures xStartRoot 3 EndRoot
Over [174]

Answer:

150√3- 75π) ft². if you see it

Step-by-step explanation:

8 0
2 years ago
2 Points
alexdok [17]

Answer:

Rx)=1/3x^2

Step-by-step explanation:

A horizontal stretch is simply making the parabola of the parent function wider, it's kind of like changing the slope of a line to make it less steep.

In the graph, the red line is the parent function and the blue line is the horizontally stretched function.  See how the blue line appears to be stretched (horizontally).

4 0
3 years ago
I need help on that question ​
Anika [276]

Answer:

the required answer is

80 \sqrt{3}

Step-by-step explanation:

here's the solution : -

=》

4 \sqrt{5}  \times 4 \sqrt{15}

=》

4 \sqrt{5}  \times 4 \sqrt{5}  \times  \sqrt{3}

=》

4 \times 4 \times 5 \times  \sqrt{3}

=》

80 \sqrt{3}

3 0
3 years ago
Read 2 more answers
Help me get the possible point, no link or virus please.
matrenka [14]

Answer:

k(x) = -40

i(x) = -15

n(x) = 71

d(x) = 17

Step-by-step explanation:

This is exactly the same deal as the most recent question you asked.

"Evaluate each function for x = 8". In other words, this is saying, calculate the result for each function, replace x with 8. So, that means for every function, you are going to replace x with 8.

k(x) = -5x turns into k(x) = -5(8)

Then you just solve, -5(8) = -40

Since I have answered this question similarly, I ask that you go back to the answer and detailed explanation I gave you earlier.

6 0
2 years ago
Use the distance formula to find the perimeter. Round to the nearest tenth.
Ierofanga [76]

Answer:

37.6 units

Step-by-step explanation:

Perimeter = sum of all sides of the triangle

To find the sum, find the distance between each points.

✔️Distance between points (-7, 6) and (5, -4):

d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} =

= \sqrt{(5 - (-7))^2 + (-4 - 6)^2}

= \sqrt{(12)^2 + (-10)^2}

= \sqrt{144 + 100}

= \sqrt{244} = 15.6 units (nearest tenth)

✔️Distance between (-7, 6) and (-7, -4):

|6 -(-4)| = 10 units

✔️Distance between (-7, -4) and (5, -4)

|-7 - 5| = 12 units

✔️ Perimeter = 15.6 + 10 + 12 = 37.6 units

6 0
3 years ago
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