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alexgriva [62]
2 years ago
9

I need help please, I will give brainliest to the first 2 people

Mathematics
2 answers:
yulyashka [42]2 years ago
7 0

Answer: that should be B !! so sorry if wrong..

Step-by-step explanation:

Kazeer [188]2 years ago
4 0
The answers is A if it’s asking for the mid section point ,
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Here is a central angle that measures 1.5 radians. Select all true statements. Question 1 options: A) The area of the whole circ
KATRIN_1 [288]

Answer:

  D, E

Step-by-step explanation:

The applicable formula is ...

  s = rθ

so, for θ = 1.5, the arc length is 1.5 times the radius. The true statements are ...

  D) The length of the arc defined by the angle is 1.5 times longer than the radius.

  E) The ratio of arc length to radius is 1.5.

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2 years ago
Classify each angle of the degrees
zhuklara [117]

Answer:

acute

right angle or obtuse

obtuse

Step-by-step explanation:

those are the answers

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2 years ago
Would love it if someone helped with this question please...
nikklg [1K]

Answer:

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Step-by-step explanation:

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2 years ago
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What is 7 times the sum of a squared and b minus 4 times the sum of a squared and b
spayn [35]
<span><span>The sum of a squared and b is given by
a^2+b

</span>7 times the sum of a squared and b is given by
</span><span>7(a^2+b)
while 4 times the sum of a squared and b is given by
</span>4(a^2+b)

Therefore, <span>7 times the sum of a squared and b minus 4 times the sum of a squared and b is given by

7(a^2+b)-4(a^2+b)=3(a^2+b)</span>
7 0
2 years ago
The mean number of hours of study time per week for a sample of 562 students is 23. If the margin of error for the population me
Vadim26 [7]

Answer:

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

Step-by-step explanation:

Confidence interval:

Sample mean plus/minus the margin of error.

In this question:

Mean of 23.

Margin of error 2.1.

Then

23 - 2.1 = 20.9

23 + 2.1 = 25.1

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

3 0
2 years ago
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