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Anna35 [415]
2 years ago
14

Helpppppppppppppppppppppppppppppppppp pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Mathematics
2 answers:
GenaCL600 [577]2 years ago
8 0
<h2><em> Hi! Allow me to help you-! :) </em></h2>

<em>    *</em><em>Answer*:39.9</em>

<h3><em> Reasoning:</em></h3>

<em> Say you wanted to round the number 838.274. </em><em>Depending on which place value you'll round to, the final result will vary. Rounding 838.274:   Rounding to the nearest hundred is 800 Rounding to the nearest ten is 840 Rounding to the nearest one is 838 Rounding to the nearest tenth is 838.3 Rounding to the nearest hundredth is 838.27   </em>

<h3><em>  **Helping to solve**:</em></h3>

<em> When you "round to the nearest _____" regardless of what goes in the blank the steps are nearly always the same:   I</em><em>dentify which place value you are rounding to. The smaller the place value, the more accurate the final result will be. Look to the next smallest place value, the digit to the right of the place value you're rounding to.</em><em> </em>

<em>Therefore, the answer is </em><em>C. 39.9</em>

<h3>This has been..</h3>

<em>~NatLikesAnime</em>

<em>#LearningWithBrainly</em>

<em></em>

<em>Please give brainliest, a thanks, and a 5 start rating if helpful :)</em>

CaHeK987 [17]2 years ago
4 0

Answer:

39.9

Step-by-step explanation:

Pls give brainlest if correct.

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Please help me name the inequality that is shown on the number line.
Wewaii [24]

Since the starting point of the arrow is black, that means the sign of inequality should be

\leq\text{ or }\ge

Since the arrow is pointed to the right (+ve part of the number line), then

The sign of inequality is

\ge

Since the starting point of the arrow is in the middle between -1 and 0, then

It is at -0.5, then

The inequality should be

x\ge-0.5

5 0
1 year ago
Explain why the slope b of the least-squares line always has the same sign (positive or negative) as the sample correlation coef
rodikova [14]

Answer:

b = r(sy/sx)

Step-by-step explanation:

The sign of the slope Coefficient and the correlation are the same because both the slope and correlation Coefficient evaluates the changes in one variable with respect to the other . A decrease in y as x increases will result in a negative slope value and also a negative correlation Coefficient. While increase in x which results in the increase in y imvariable will result in a positive correlation Coefficient value and r value.

Slope, b = correlation Coefficient,r (Sy /Sx)

Sx = standard deviation of x values

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5 0
3 years ago
At a certain time of day, the angle of elevation of the sun is 30°. A tree has a shadow that is 25 feet long. Find the height of
Rainbow [258]
14.43. That's your answer
5 0
3 years ago
Read 2 more answers
Please help with this question please because I don’t know
UkoKoshka [18]

Answer:

B. 9.9 ft

Step-by-step explanation:

You have a right triangle, so you can use the Pythagorean theorem.

a^2 + b^2 = c^2

15^ + x^2 = 18^2

225 + x^2 = 324

x^2 = 99

x = sqrt(99)

x = 9.9

Answer: B. 9.9 ft

6 0
3 years ago
Choose the equation that represents the line passing through the point (2, - 5) with a slope of −3.
Brilliant_brown [7]

Answer:

y = -3x + 1

Step by step (I hope I don't confuse you):

1. First, look for the equation that has a slope of -3. In this case, it's all of them because they all have -3 before the x value.

2. Then look for what's given:

  • The y of (2, -5) is negative.
  • If the x is 2, that means that the slope has moved down 3 units twice. (-3 is the slope. -3 x 2 is -6.)

3. Now see what equation will have -5 when you subtract 6 from it's y intercept.

  • y = 3x + 11. 11 - 6 is 5, not -5. this one is wrong.
  • y = 3x - 13. -13 - 6 is -19, also incorrect.
  • y = 3x + 1. 1 - 6 is -5, so this is the correct answer.

Hope you found this helpful.

8 0
4 years ago
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