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storchak [24]
3 years ago
6

PLEASEEE HURRY I WILL GIVE BRAINLEST ITS JUST ONE QUESTION

Mathematics
1 answer:
love history [14]3 years ago
7 0
I think it’s is A make me brainliest
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The distribution of the scores on a standardized math exam in a school district is skewed to the right. Which of the following s
hodyreva [135]
Show the picture if u can.
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3 years ago
25x2 + 5x
poizon [28]

Answer:

option C: 5x+1

Explaination:

take 5x common and simplify

3 0
3 years ago
Evaluate (m4 + 5) – n<br> (m+ + 5) – n3 if m = -2 and n = -4.
Y_Kistochka [10]

Answer:

69

Step-by-step explanation:

7 0
3 years ago
Write an equation that is parallel to the line 4x - y = 2 and passes through the point (-2, 3)
sergeinik [125]
We can start from the given line's coefficients and translate the line from the origin to the given point.
  4(x -(-2)) -(y -3) = 0
  4x +8 -y +3 = 0

The equation of the desired line is ...
  4x -y = -11

_____
For standard form line ax+by=c, any parallel line will have only a different value of c. For c=0, the line goes through the origin (0, 0). To make it go through point (h, k) we can write it as
  a(x-h) +b(y-k) = 0
which is completely equivalent to
  ax +by = ah +bk

7 0
4 years ago
A random sample of 12 men age 60-65 has a mean blood pressure of 142. 3 mmHg and a standard deviation of 20.8 mmHg. Construct a
Over [174]

Answer:

The 99% confidence interval = (126.93,157.67)

Step-by-step explanation:

The formula for Confidence Interval =

Mean ± z × Standard deviation /√n

Mean = 142. 3 mmHg

Standard deviation = 20.8 mmHg.

n = 12

Z score for 99% confidence interval = 2.56

Confidence Interval =

142.3 ± 2.56 × 20.8/√12

142.3 ± 2.56 × 6.0044427996

142.3 ± 15.371373567

Confidence Interval

= 142.3 - 15.371373567

= 126.92862643

≈ 126.93

142.3 + 15.371373567

= 157.67137357

≈ 157.67

Therefore, the 99% confidence interval = (126.93,157.67)

3 0
3 years ago
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