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saul85 [17]
2 years ago
15

Evaluate –x + (–5.8) for x = 7.1. –1.3 12.9 –12.9 1.3

Mathematics
2 answers:
ryzh [129]2 years ago
3 0
<span>–x + (–5.8)
When x is 7.1,

=-7.1+(-5.8)
=-7.1-5.8
=-12.9</span>
Bond [772]2 years ago
3 0

Answer:

C ) - 12. 9.

Step-by-step explanation:

Given  :  –x + (–5.8) .

To find : Evaluate for x = 7.1.

Solution : We have given

–x + (–5.8) .

For x = 7.1

Plug x = 7.1

- 7.1 + ( -5.8) .

Removing parenthesis

-7.1 - 5.8.

- 12. 9

Therefore, C ) - 12. 9.

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See image for question.​
Ostrovityanka [42]

Answer:

  • See below

Step-by-step explanation:

#3

  • P(A) = 3/8
  • P(B) = 2/7

(i)

  • P(A and B) = P(A) * P(B) = 3/8*2/7 = 3/28

(ii)

  • P(A or B) = P(A) + P(B) - P(A and B) = 3/8 + 2/7 - 3/28 = 1/56(21 + 16 - 6) = 31/56

(iii)

  • P(not A and not B) = P(not A) * P(not B) = (1 - 3/8)*(1 - 2/7) = 5/8*5/7 = 25/56

<u>Another way:</u>

  • P(not A and not B) = 1 - P(A or B) = 1 - 31/56 = 25/56

#4

Outcomes with two fair coins: TT, TH, HT, HH

Outcomes with normal dice: 1 to 6

a)

  • P(odd number) = 3/6 = 1/2

b)

  • P(two heads and an even number) = 1/4*3/6 = 1/8

c)

  • P(head and tail) = 1/2
  • P(prime) = 3/6 = 1/2 (primes are 2, 3 and 5)
  • P(head, tail and prime) = 1/2*1/2 = 1/4

d)

  • P(two tails and odd number) = 1/4*3/6 = 1/8
4 0
2 years ago
WILL MARK BRAINLIEST IF YOU GET IT RIGHT GET IT WRONG ON PURPOSE ILL REPORT U!
Amanda [17]

Answer:

c , sss similatiry

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Can anyone help me on what’s -4 - (-3) plsss it’s for my math test
ololo11 [35]

Answer:

-1

Step-by-step explanation:

It is negative 1 because the signs for the -3 are the same so you keep the -4, change the - to a +, then flip the negative 3.

Hope this helps!

7 0
2 years ago
Original price 95$ sale price 61.75 what is percent discount
Sladkaya [172]

Answer:

If i'm not mistaken the answer should be a 35% discount.

Step-by-step explanation:

6 0
3 years ago
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Choose the equation below that represents the line passing through the point (−2, −3) with a slope of −6.
Daniel [21]
Y=mx+b where m=-6, x=-2, and y=-3. Substituting these values in would result in -3=(-6)(-2)+b, which would simplify to -3=12+b, and further to b=-15. This would mean the y intercept is equal to -15, or (0,-15). To check, (-6)*(-2)-15 is in fact equal to -3, thus allowing easy identification of a graph, which will cross the y axis at -15 and decrease in y-value by 6 with every increase in x-value.
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