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VLD [36.1K]
3 years ago
12

I need help with number 13 and 14 please

Mathematics
1 answer:
olganol [36]3 years ago
4 0
13 is 40 but idk what 14 is. Pls mark brainliest
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I need help on this problem
chubhunter [2.5K]
The value of x
3x°+46°+(2x-1°)=180°(angle sum of △)
5x+45=180°
5x=180°-45
x=135÷5
x=27
x is 27

put x into angle B,we have
2(27)-1
=53

thus angleB is 53°

hope it helps c:
6 0
3 years ago
Read 2 more answers
Simplify -7x+6y-6x , please help with this question thank you
Kryger [21]

-7x+6y-6x is simplified to be -13x+6y.

3 0
3 years ago
Read 2 more answers
K = mv / 2 solve for m . HELP PLEASE HURRY!
Aleksandr-060686 [28]

9514 1404 393

Answer:

  m = 2k/v

Step-by-step explanation:

Identify the coefficient of m (v/2) and multiply by its inverse (2/v).

  (2/v)k = (2/v)m(v/2) . . . . multiply both sides of the equation by 2/v

  2k/v = m . . . simplify

  m = 2k/v

3 0
2 years ago
Can someone please help me
devlian [24]
I believe it's the same as adding 8+3, but you add the negative sign to your answer
so 8+3 = (-?)
7 0
3 years ago
In a study of brand recognition, 795 consumers knew of Amazon, and 10 did not. Use these results to estimate the probability tha
Rzqust [24]

Answer:

The probability that a randomly selected consumer will recognize Amazon is 0.988.

Step-by-step explanation:

The data given in the question is

Total number of consumers = 795 + 10 = 805

Consumers who knew of Amazon = 795

Consumers who did not know of Amazon = 10

The formula for calculating probability of an event A is:

P(A) = No. of favourable outcomes/Total no. of possible outcomes

P(Recognize Amazon) = No. of Consumers who knew Amazon/Total no. of consumers

P(Recognize Amazon) = 795/805

                                     = 0.98757

P(Recognize Amazon) ≅ 0.988

The probability that a randomly selected consumer will recognize Amazon is 0.988.

7 0
3 years ago
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