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lara31 [8.8K]
3 years ago
10

What is the following product? fourth root of 7 times the fourth root of 7

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0

Answer:

square root of seven

Step-by-step explanation:

multiply the numbers inside the radicals to get fourth root of 49. simplify the radical and get square root of 7

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A forestal station receives the locations of two fires, one of them in a forest located 11 Km heading N69°W from the station. Th
loris [4]

Answer:

  30.7 km

Step-by-step explanation:

The distance between the two fires can be found using the Law of Cosines. For ΔABC in which sides 'a' and 'b' are given, along with angle C, the third side is ...

  c = √(a² +b² -2ab·cos(C))

The angle measured between the two fires is ...

  180° -(69° -35°) = 146°

and the distance is ...

  c = √(11² +21² -2(11)(21)cos(146°)) ≈ √945.015

  c ≈ 30.74

The straight-line distance between the two fires is about 30.7 km.

8 0
2 years ago
How many solutions does the equation have? 4x+19=-9-6x
valentinak56 [21]

Answer:

one solution; x= -28/10

Step-by-step explanation:

5 0
2 years ago
The ratio of adult tickets sold to child tickets sold was 3:2, how many<br> child tickets were sold?
Makovka662 [10]

Answer:

3

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Find sin, where the angle is shown<br> Give the exact value, not a decimal approximation
olga_2 [115]

Answer:

sinΘ = \frac{24}{25}

Step-by-step explanation:

sinΘ = \frac{opposite}{hypotenuse}

The opposite is 24, but we require the hypotenuse h

Using Pythagoras' identity

h² = 7² + 24² = 49 + 576 = 625 ( take square root of both sides )

h = \sqrt{625} = 25

Thus

sinΘ = \frac{24}{25}

6 0
2 years ago
4. What are the terms in the expression, 9- 4 + 3b + 7a?
Elan Coil [88]

Answer:

The terms are 9, 4, 3b and 7a.

The terms are 9 – 4 and 3b + 7a.

The terms are 9, -4, 3b, and 7a.

Step-by-step explanation:

7 0
2 years ago
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