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AysviL [449]
3 years ago
15

Sorry for another one! WILL GIVE BRAINLIEST!! DUE TODAY! Help please

Mathematics
2 answers:
olga2289 [7]3 years ago
7 0
6/4 is the slope! hope this helps!
siniylev [52]3 years ago
3 0

Answer:

1.5 or 6/4

Step-by-step explanation:

y=1.5x+2

or

y=6/4x+2

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Emma has addressed seven invitations to her
Firlakuza [10]

Answer:

12

Step-by-step explanation:

This can be solved by working backwards.

7 is one more than half the number of invitations.

Subtract 1.  6 is half the number of invitations.

Double.

12 is the full number of invitations.

Algebra (if you must!):

x = number of invitations

x/2 + 1 = 7

Subtract 1.

x/2 = 6

Multiply by 2.

x = 12

8 0
2 years ago
Read 2 more answers
Please help asap! Due tonight!
Contact [7]

Answer:

A, \sqrt{17}

Step-by-step explanation:

a^2 + b^2 = c^2

8^2 + b^2 = 9^2

64 + b^2 = 81

b^2 = 17

b = \sqrt{17}

4 0
3 years ago
Read 2 more answers
A levee was designed to protect against floods with an annual exceedance probability of 0.02. A larger flood would cause the lev
LuckyWell [14K]

Answer:

66.76% probability that the levee will NEVER fail in the next 20 years.

Step-by-step explanation:

For each year, there are only two possible outcomes. Either a levee fails during the year, or no levees fail. In each year, the probabilities of levees failing are independent from each other. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

In this problem we have that:

A levee was designed to protect against floods with an annual exceedance probability of 0.02. This means that p = 0.02

What is the risk that the levee will NEVER fail in the next 20 years?

This is P(X = 0) when n = 20. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{20,0}*(0.02)^{0}*.(0.98)^{20} = 0.6676

66.76% probability that the levee will NEVER fail in the next 20 years.

7 0
3 years ago
Can somebody explain to me of how squared 28 equaled 2 squared to 7 please? With step by step explanation If you don’t mind
nikklg [1K]

please see the attached picture for full solution

hope it helps

good luck on your assignment

4 0
3 years ago
What number increased by two is equal to two less than twice the number?
Romashka-Z-Leto [24]

The required number is 4

Step-by-step explanation:

We need to find the number from the given statement:

What number increased by two is equal to two less than twice the number?

Converting statement into mathematical form.

Let number=x

number increased by two: x+2

is equal: =

two less than twice the number: 2x-2

So, equation is:

x+2=2x-2

Solving the equation to find value of x:

x+2=2x-2

x-2x=-2-2

-x=-4

x=4

So, the required number is 4.

Keywords: Word Problems

Learn more about word problems at:

  • brainly.com/question/4034547
  • brainly.com/question/5510873
  • brainly.com/question/4282963

#learnwithBrainly

3 0
3 years ago
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