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Volgvan
3 years ago
9

Solve this problem please.

Mathematics
2 answers:
Annette [7]3 years ago
7 0

Answer:

Hi there!

The correct answer is: 21 m

Step-by-step explanation:

Using the law of cosine: ( c² = a²+ b² − 2ab cos(C) )

In this case the missing side BC, would be represented by "C"

c² = (6.5)² + (21.9)² - (2)(6.5)(21.9)cos(73.5)

simplify and you get c=21 m

enyata [817]3 years ago
4 0
So basically plus likes 21.9+73:5=let’s say 5 than your do 6.5+73.5=“788” then 21.9+6.5=“789” (those aren’t the real answers) you do that and do addition the 3 answers together and Multiple by 2
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I really don't understand math
Lena [83]

Answer:

b = 6 mm

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

b² + 8² = 10²

b² + 64 = 100 ( subtract 64 from both sides )

b² = 36 ( take the square root of both sides )

b = \sqrt{36} = 6

7 0
4 years ago
Read 2 more answers
#11. Write "the product of 3 and the sum of a number and 5" as an algebraic expression
mr Goodwill [35]

The product of three is the same as [ * 3 ]

The sum of a number and five is the same as [ n + 5 ]

[ 3 ] is being multiplied to the sum of [ n + 5 ], so, we can write this using the distributive property [ a(b + c) ]

Put the expression together:

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Best of Luck!

5 0
3 years ago
100% of what number is 61
Dominik [7]

" 100% " means "the whole thing",
and "is" can be replaced by "is equal to".

You have said "The whole thing of a number is equal to 61."
or
                       "61 is equal to the whole thing of a number."

The only number that 61 can be equal to is 61.

3 0
3 years ago
Read 2 more answers
The rectangle has an area of x2+13x+36 square meters and a length of x+9 meters.
Brut [27]

Answer:The answer is 58

Step-by-step explanation:

4 0
4 years ago
What's 905,154 rounded to the ten thousands // 89,659 rounded to the hundred thousands
4vir4ik [10]
905,154 will be rounded to 910,000 and 89,659 will be rounded to 100,000
hope this helps
8 0
4 years ago
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