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3 years ago

Find the distance across the lake. Assume the triangles are similar

Mathematics

1 answer:

Darya [45]3 years ago

6 0

Check the picture below.

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Joann works in a publicity office at the state university. she is paid $ 12.00 $12.00 an hour for the first 35 35 hours she work

hram777 [196]

$ 12 per hr for the first 35 hrs.....12 * 35 = 420

420 + 18x = 636
18x = 636 - 420
18x = 216
x = 216/18
x = 12

so she worked 35 hrs regular pay and 12 hrs overtime for a total of 47 hrs

6 0

2 years ago

What is the circumference of the circle below? (Round your answer to the

Nataliya [291]

Answer:

well if you said round it to the nearest tenth that would be 10cm and im guessing the circle is 11cm sense its right there

Step-by-step explanation:

hope this helps you

4 0

2 years ago

What is the difference between constructing a regular hexagon and constructing an equilateral triangle?

Jet001 [13]

Answer:

1)For the hexagon construction, every other arc along the circle is connected, but for the equilateral triangle construction, every arc along the

circle is connected.

3 0

2 years ago

What is the sum of the series? 4 ∑k=1 (2k^2−4)

larisa86 [58]

The sum of the series $\sum_{k=1}^{4}\left(2 k^{2}-4\right)$ is 44.

Step-by-step explanation:

The given series is $\sum_{k=1}^{4}\left(2 k^{2}-4\right)=44$

To find the sum of the series, we need to substitute the values for k in the series.

$\sum_{k=1}^{4}\left(2 k^{2}-4\right)=\left[2(1)^{2}-4\right]+\left[2(2)^{2}-4\right]+\left[2(3)^{2}-4\right]+\left[2(4)^{2}-4\right]$

Now, simplifying the square terms, we get,

$[2(1)-4]+[2(4)-4]+[2(9)-4]+[2(16)-4]$

Multiplying the terms,

$[2-4]+[8-4]+[18-4]+[32-4]$

Subtracting the values within the bracket term, we get,

$-2+4+14+28$

Now, adding all the terms, we get the sum of the series,

$\sum_{k=1}^{4}\left(2 k^{2}-4\right)=44$

Thus, the sum of the series is $\sum_{k=1}^{4}\left(2 k^{2}-4\right)=44$

8 0

2 years ago

Va rog mult sa ma ajutati ,imi trebuie neaparat . plz

Natasha_Volkova [10]

Answer:

amenda. de ce ai nevoie?

Step-by-step explanation:

5 0

2 years ago