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Veronika [31]
1 year ago
11

Y/2 - (-1.12) = 3.12

Mathematics
1 answer:
ahrayia [7]1 year ago
4 0

\fbox{y=4}

\frac{y}{2} -(-1.12)=3.12

Simplify:

\frac{1}{2} y+1.12=3.12

Subtract 1.12 on both sides:

\frac{1}{2} y+1.12-1.12=3.12-1.12

\frac{1}{2} y=12

Multiply both sides by 2:

2\times(\frac{1}{2} y)(2)\times(2)

y=4

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Please answer,it has to be done in the next 20 minutes its my homework and i forgot to do it.
Bingel [31]

Answer:

g = -2/3

Step-by-step explanation:

-g + 6 +2g = -4g - (-4)

g + 6 = -4g + 4

3g =-2

g = -2/3

3 0
3 years ago
In a box of 25 external hard disks, there are 2 defectives. An inspector examines 5 of these hard disks. Find the probability th
Salsk061 [2.6K]

Answer:

0.3667 or 36.67%

Step-by-step explanation:

The probability of getting at least 1 defective hard disk among the 5 (P(X>0)) is equal to 100% minus the probability of getting none defectives (1-P(X=0)).

If 23 out of 25 hard disks are non-defective, the probability is:

P(X>0) = 1 -P(X=0)\\P(X>0) = 1 -\frac{23}{25}*\frac{22}{24} *\frac{21}{23} *\frac{20}{22} *\frac{19}{21}\\ P(X>0) = 0.3667=36.67\%

The probability that there is at least 1 defective hard disk is 0.3667 or 36.67%.

8 0
3 years ago
Chuy wants to buy a new television. The television costs $1,350. Chuy decides to save the same amount of money each week, for 27
mars1129 [50]

Answer: option C is the correct answer.

Step-by-step explanation:

The television costs $1,350. Chuy decides to save the same amount of money each week, for 27 weeks. After 8 weeks Chuy saved $440. This means that the amount that she saved per week is

440/8 = $55

If she saves $55 in 8 weeks, the number of weeks left is

27 - 8 = 19 week

Amount that she would save in 19 weeks is

19 × 55 = 1045

Total amount saved in 27 weeks is

1045 + 440 = $1485

Therefore, the conclusion that you can make about Chuy's plan is

C. Chuy will save more than he needs and will meet his goal in less than 27 weeks.

3 0
3 years ago
The sum of 6 consecutive integers is 204. what is the fourth number in this sequence?
zloy xaker [14]

Let x by the smallest of the 6 integers. Then

x+(x+1)+(x+2)+(x+3)+(x+4)+(x+5)=204

\implies6x+15=204

\implies6x=189

But 189 is odd, so it cannot be divisible by 6, which means x is not an integer...

8 0
3 years ago
B) Write down the formula to find the perimeter of a circle.​
rewona [7]

Answer:

C = 2πr

Step-by-step explanation:

We know that, the perimeter of a figure is equal to the sum of all sides.

A circle having no sides.

The perimeter of a circle = The circumference of the circle

The formula for the circumference of the circle is given by :

C = 2πr

Where

r is the radius of the circle

Hence, this is the required solution.

7 0
3 years ago
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