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Elena-2011 [213]
3 years ago
14

Solve for k: -2k = k - 7 - 8 and explain in number form

Mathematics
1 answer:
Kamila [148]3 years ago
7 0

Answer:

k = 5

Step-by-step explanation:

-2k = k - 7 - 8

Combine like terms

-2k = k - 15

add 15 to both sides

-2k + 15 = k

Add 2k to both sides

15 = 3k

Divide both sides by 3

k=5

Hope this helps!

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136+12x=-4(1-2x) simplify
lawyer [7]

Answer:

x=-35

Step-by-step explanation:

136+12x=-4(1-2x)

136+12x=-4+8x

+4          +4

140+12x-12x=8x-12x

140/-4=-4x/-4

x= -35

8 0
3 years ago
What’s the area of a circle with the diameter of 8 feet circle
Bogdan [553]
Area equals pi r squared, and if the diameter is 8 feet, then the radius would be 4 feet. 4 squared is 16, so if you’re answering in terms of pi, it’s 16 pi but if you’re answering in terms of feet it’s about 50.27 Feet
7 0
4 years ago
A six-sided die is rolled 25 times. The number 3 appears eight times. What is the experimental probability of getting a 3?
alisha [4.7K]
<h3>Answer in fraction form = 8/25</h3><h3>Answer in decimal form = 0.32</h3><h3>Answer in percent form = 32%</h3>

We have 8 instances of "3" showing up out of 25 total rolls, which is where the fraction 8/25 comes from. Use your calculator to find that 8/25 = 0.32. Or you could multiply top and bottom of 8/25 by 4 to get 32/100 = 0.32 = 32%

5 0
4 years ago
In Terry's hometown, the probability of snow on Saturday is approximately 0.07. Which of the following
Dmitry [639]

Answer:

c

Step-by-step explanation:

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

the probability it would snow is 0.07 or 7%. this is quite low. so, it is unlikely that it would snow

3 0
3 years ago
Read 2 more answers
4(8x−1) = 19+32x
Fantom [35]

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

Let's solve your equation step-by-step.

4 ( 8x − 1 ) = 19 + 32x

Step 1: Simplify both sides of the equation.

4 ( 8x − 1 ) = 19 + 32x

( 4 ) ( 8x ) + ( 4 ) ( −1 ) = 19 + 32x ( Distribute )

32x + −4 = 19 + 32x

32x − 4 = 32x + 19

Step 2: Subtract 32x from both sides.

32x − 4 − 32x = 32x + 19 − 32x

−4 = 19

Step 3: Add 4 to both sides.

−4 + 4 = 19 + 4

0 = 23

Answer:

There are no solutions.

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

5 0
3 years ago
Read 2 more answers
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