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Scorpion4ik [409]
3 years ago
11

Which expression iWhich expression is equivalent to x + 8 + 4x + 2x for all values of x?s equivalent to x + 8 + 4x + 2x for all

values of x?
Mathematics
1 answer:
NikAS [45]3 years ago
4 0

Answer:

A = l * w. We can substitute the expressions for length and width into the equation for area ... values in the formula for perimeter, we will get. P = 2l + 2w. P = 2(5)+2(3) P = 10+6 ... L = 18 cm. B = 7 cm. Perimeter of rectangle = 2(length + breadth) P = 2 (L + B) ... Total time taken = Total distance walked × time taken to walk 1m.

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Anyone can u please help me? lol
frez [133]

Answer:

-1/30

Step-by-step explanation:

just subtract then divide.

(this is simplest form)

5 0
3 years ago
Read 2 more answers
I
xenn [34]

Using the probability concept, considering complementary probabilities, there is a 0.12 = 12% probability that the integer is of 20 or more.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

If two events are complementary, the <u>sum of their probabilities is of 1</u>. In this problem, we have that an integer being less than 20 is complementary to an integer being 20 or more.

We have that:

  • There is a 0.88 probability that the number is less than 20.
  • There is a x probability that the number is 20 or more.

These events are complementary, hence:

0.88 + x = 1

x = 1 - 0.88

x = 0.12

There is a 0.12 = 12% probability that the integer is of 20 or more.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

8 0
2 years ago
An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug. If the population
jeka94

Answer:

1.1264

Step-by-step explanation:

Given : An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug.

To Find: If the population mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?

Solution:

n = 35

\sigma = 3.4

Confidence interval = 95%. So, z =1.96

Margin of error = z \times \frac{\sigma}{\sqrt{n}}

Margin of error = 1.96\times \frac{3.4}{\sqrt{35}}

Margin of error = 1.1264

Hence the margin of error of the sample mean is 1.1264.

6 0
3 years ago
Read 2 more answers
Can anyone help me do or solve these
Ivahew [28]

Answer:I will just post them

Step-by-step explanation:

4 0
3 years ago
FIRST PERSON WITH ANSWER RIGHT GETS BRANILY
Mumz [18]

Kim's age would be 24 and her sister would be 12 since her sisters' age is half of hers x would need to be multiplied by 1/2 to get her age.

x + x(1/2)=36 where x is 24

24 + 24(1/2) = 36

      24 + 12=36



4 0
3 years ago
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