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Ber [7]
3 years ago
14

Heelp meeee oonn thiiiissss i dont understand leeaaseeee its homework pleeaassseeeee thank uuu

Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

Answer:

B

Step-by-step explanation:

a²+b²=c²

a²+20²=25²

a²=225

a=15

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Reorder the following equations in ascending order of steepness: y= 15x + 5 y= 0.15x - 1 y=x y= x + 100
Gre4nikov [31]

Answer:

y= 0.15x - 1, y = x, y = x + 100, y = 15x + 5.

Step-by-step explanation:

When the slope of a line is less than 1 (if the slope is a decimal), the slope will not be steep. But when the slope is more than 1, the slope will be steeper than the average.

According to that rule, the steepest will be y = 15x + 5.

The next steepest equations will be y = x and y = x + 100 (they are both at the same degree of steepness; the intercept does not impact the steepness of the line).

The least steepest will bey = 0.15x - 1.

So, the order, from least steep to most steep, will be y= 0.15x - 1, y = x, y = x + 100, y = 15x + 5.

Hope this helps!

8 0
4 years ago
Sandy is getting ready for the day. She can wear either a balck or white shirt and then either pants, shorts, or a skirt. Create
gladu [14]
Black shirt and pants
Black shirt and shorts
Black shirt and skirt
White shirt and pants
White shirt and shorts
White shirt and skirt
6 COMBINATIONS TOTAL
7 0
3 years ago
Solve for x and y.
goldenfox [79]

Answer:

x= 15

y=  5

Step-by-step explanation:

it is a reflective opposite side exterior angle or line you are seeing.

The angle on the other side is a vertical angle meaning it is the same. Which leads to show that the measurements are the same as well.

6 0
3 years ago
Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that there are nequals7 ​trials, eac
Ket [755]

Answer:

P(X < 4)=0.1335+0.3115+0.3115+0.1730=0.9295

Step-by-step explanation:

Question assumed: Find the probability that the number x of correct answers is fewer than 4.

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=7, p=0.25)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

And we want to find this probability:

P(X < 4)=P(X=0)+P(X=1)+P(X=2)+P(X=3)

P(X=0)=(7C0)(0.25)^0 (1-0.25)^{7-0}=0.1335

P(X=1)=(7C1)(0.25)^1 (1-0.25)^{7-1}=0.3115

P(X=2)=(7C2)(0.25)^2 (1-0.25)^{7-2}=0.3115

P(X=3)=(7C3)(0.25)^3 (1-0.25)^{7-3}=0.1730

P(X < 4)=0.1335+0.3115+0.3115+0.1730=0.9295

3 0
4 years ago
A bag contains 3 red marbles, 4 black marbles, and 5 yellow marbles. What are the chances of picking a marble that is not black?
lorasvet [3.4K]
I believe the answer is 8 out of 10 


hope this helps! 
8 0
3 years ago
Read 2 more answers
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