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kkurt [141]
3 years ago
13

6

Mathematics
1 answer:
pshichka [43]3 years ago
8 0

Answer:

47.4%

Step-by-step explanation:

It has to be below 50% because those weights fall at or below the average.

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What does ''X'' mean
Bumek [7]

Answer:

x is a variable, it can be ANY NUMBER

Step-by-step explanation:

4 0
3 years ago
By how much is the product of 27 and 13 greater than their sum?
iragen [17]
Well its quite simple...
the product of 27 and 13 is 351 (which is found by multiplying 27 and 13)
and the sum of 27 and 13 is 40 (which is found by adding 27 and 13 together)

therefore to work out the difference you have to do:
351 - 40 which equals 311

so 311 is your answer 
8 0
2 years ago
Read 2 more answers
Someone help me please
Salsk061 [2.6K]

Important notes:

3 sides 1 angle - COSINE RULE

2 sides 2 angle - SINE RULE

since, the question wants to find the length of BC. In the end we will have 3 sides and 1 angle and use cosine rule

formula of cosine rule:

a² = b² + c² - 2bc Cos A° (to find the length)

Cos A° = b² + c² - a² / 2bc ( to find the angle, if there is given three sides and have to find the angle)

So just substitute,

a² = 13² + 15² - 2(13)(15) Cos 95°

a = 20.6 or 21

5 0
3 years ago
+
sineoko [7]

Answer:

The answer is D.

Step-by-step explanation:

40.5 multiplied by 21 is 850.5

7 0
3 years ago
If m = 7x + 7, m = 4y, and m = 112, find the values of x and y
tester [92]
<span>If m = 7x + 7, m = 4y, and m = 112

since m = 112

112 = 7x + 7
112 - 7 = 7x
105= 7x
x = 15

112 = 4y
y = 28</span>
6 0
3 years ago
Read 2 more answers
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