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Mrac [35]
3 years ago
5

Find the product of (x + 5)(x − 5).

Mathematics
1 answer:
AfilCa [17]3 years ago
6 0

Answer:

x² - 30 + 5x

Step-by-step explanation:

(x + 5)(x − 5)

=x(x − 5)+5(x − 5)

=x² - 5 + 5x - 25

=x² - 30 + 5x

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A zip line runs from the top of a platform on the edge of a pond to the ground across the pond. A camp counselor places a mirror
tigry1 [53]

Answer:

150 ft

Step-by-step explanation:

The diagram shown gives us a picture of two similar right triangle.

The height of the man is similar to the height of the platform.

To find the height of the platform, multiply the height of the man by the scale factor.

Scale factor = the ratio of any corresponding sides of two similar triangles.

Scale factor = 100 ft ÷ 4 ft = 25

Height of man = 6ft

Therefore, height of platform = 6 ft × 25 = 150 ft

3 0
3 years ago
The ratio of Monarch butterflies to Queen butterflies at a butterfly farm was 5:2. If there are no additional butterflies at the
andrew-mc [135]
So we know if there are 5 groups/dozens of Monarch butterflies, there are 2 groups/dozens of Queen butterflies. In other words, there are 5 Monarch butterflies for every 2 Queen butterflies.

Then we can turn that into an equation.

5x = m \\ \\ 2x =q \\ \\ 5x + 2x = m + q
From the last equation we wrote we can see that the total number of butterflies in the farm is 7x.

When we compare the Queen butterflies to total butterflies, we get \frac{q}{m + q} = \frac{2x}{5x + 2x} = \frac{2x}{7x} = \frac{2}{7}

The ratio of Queen butterflies to total butterflies is 2:7.
7 0
3 years ago
3 cm<br> 4 cm<br> 6 cm<br> Find the volume. Round to the nearest tenth if necessary.
ZanzabumX [31]

Answer:

72 cm squared

Step-by-step explanation:

3 x 4 x 6 = 72 cm squared

5 0
3 years ago
Read 2 more answers
Write as an imporper fractor.5 3/5
Neporo4naja [7]
5 3/5 as an improper fraction is 28/5. 

I hope this is helpful! :D
5 0
3 years ago
Read 2 more answers
Who can help me with this question problem
german

Answer:

use the formula and evaluate the givens

Step-by-step explanation:

336=(14/11)^2 * 22/7*h

336=196/121 * 22/7h

336= 4312/847h

336= 5.09h

h=66

8 0
2 years ago
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