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ddd [48]
3 years ago
6

Simplify: 3x2 - 27 Helppppp

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0
3x^2- 27 … you divide the whole thing by 3 to get x^2- 9 and that’s the furthest you can simplify
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Can someone please give me the answer to these two?
Radda [10]

Answer:

3: D - Undefined

4: A - 1

Step-by-step explanation:

For Question 3 your answer is D, undefined, because it does not have a slope, a slope is like a hill, but that just goes straight up, thus it is undefined.

For Question 4 your answer is A, 1, because it moves one digit to the right and then 1 digit up, Thus that is your answer.

6 0
3 years ago
Waylon played defense in 12 soccer games. This was 60% of the total games he played. How many games did Waylon play?
puteri [66]

Answer:

20 games

Step-by-step explanation:

(12/x)=(60/100)

12*100=1200

60x=1200

x=20

4 0
3 years ago
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6 0
3 years ago
Simplify.
yKpoI14uk [10]
(-5p^4z^6u)^3

= (-5)^3p^{4 \times 3}z^{6 \times 3} u^3

= -125p^{12}z^{18} u^3

---------------------------------------------------------------------------------------------------
\text {Answer = } -125p^{12}z^{18} u^3 \text { (Answer C) }
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3 0
3 years ago
Read 2 more answers
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people a
Vanyuwa [196]

Answer:

The probability is 0.9938

Step-by-step explanation:

In this question, we are asked to calculate the probability that the mean blood pressure readings of a group of people is less than a certain reading.

To calculate this, we use the z score.

Mathematically;

z = (mean - value)/(standard deviation/√N)

From the question, we can identify that the mean is 125, the value is 123 , the standard deviation is 9.6 and N ( total population is 144)

Let’s plug these values;

z = (125-123)/(9.6/√144) = 2.5

Now we proceed to calculate the probability with a s score less than 2.5 using statistical tables

P(z<2.5) = 0.9938

8 0
3 years ago
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