IM Algebra 1 Unit 2 lesson 3 practice problems #1-4

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Answer 1

Answer:

Answer:

3 is the answer of this question

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Dr. Black is standing 13 feet from a streetlamp. The lamp is making his shadow 9 feet long. He estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 50. To the nearest foot, the streetlamp is about _____.

What is B=T-Lc for T

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$B=T-Lc \n \n \boxed{T=B+Lc}$

Just add Lc to both sides

T = B + Lc

Raphael graphed the functions g (x)=x+2 and f (x)= x-1. how many units below the y-intercept of g (x) is the y-intercept of f (x)? the y-intercept of f (x) is ____ units below the y-intercept of g (x)

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In our equations, you can use the generic form of y = mx + b to determine the y-intercept for the function, with b equal to the y-intercept. For g(x), b =2 and for f(x), b=-1. These values are the y-intercepts for the functions. Based on this, the y-intercept of f(x) is 3 units below the y-intercept of g(x). We know this because we can subtract the b value from f(x) from g(x) to get the difference. Difference = 2 - (-1) = 3.

Answer:

(D) 3

Step-by-step explanation:

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My sister needs help !!!!!!!A coin is flipped 150 times. The results of the experiment are shown in the following table:
Heads 63
Tails 87

Which of the following statements best describes the experimental probability of getting heads?

It is equal to the theoretical probability.
It is 8% lower than the theoretical probability.
It is 8% higher than the theoretical probability.
The experimental probability cannot be concluded from the data in the table

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A coin has one of two outcomes: heads or tails.
Each has an equal probability of occurring, meaning that they each have a 50% chance to occur. (They need to add up to 100% because they include all the outcomes, divide that into two equal parts and...)

This is what we call theoretical probability. It's a guess as to how probability should work. Like in the experiment, it's not always going to be 50-50.

What actually happens is called experimental probability. This may vary slightly from theoretical probability because you can't predict probability with complete certainty, you can only say what is most likely to happen.

We want to find the probability of getting heads in our experiment so we can compare it to the theoretical outcome. To do this, we need to compare the number of heads to the total number of outcomes.

We have 63 heads, and a total of 150 coin flips.
That makes the probability of getting a heads 63/150.
The hard part is getting this ratio into a percent.

You can try simply dividing, but you should be able to notice something here.
SInce the top and the bottom of our fraction are both divisible by 3, we can simiplify.
63 ÷ 3 = 21
150 ÷ 3 = 50
So we could say that 63/150 = 21/50.

A percent is basically a fraction out of 100.
Just like you can divide the parts of a ratio by the same number and it will stay the same, you can also multiply. To get the fraction out of 100, let's multiply by 2.
(since 50 × 2 = 100)

21 × 2 = 42
50 × 2 = 100
21/50 = 42/100 = 42%

Comparing our experimental probability to the theoretical one...it is 8% lower.

Answer: 8% lower

Step-by-step explanation:

Got it right on test.

A regular number cube is rolled. What is the probability that a 3 will not be rolled?1. 1/6
2. 1/2
3. 4/5
4. 5/6

Answers

5/6
a normal cube has 6 numbers and 3 is 1/6 so 6/6-1/6=5/6

Ravi rented a truck for one day. There was a base fee of $20.95 and there was an additional charge of 83 cents for each mile driven. Ravi has to pay $169.56 when he returned the truck. For how many miles did he drive the truck?

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Answer:

180 miles

Step-by-step explanation:

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maybe brainliest?

Which number is an irrational numberSquare root 100
1/8
-2.2675
3 square root of 16

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The decimal answer is the irrational number

Answer:

square root 100

3 square root of 16

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