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xxTIMURxx [149]
3 years ago
7

Using v= u + at, find v, when u = 12, a = 5 and t = 7

Mathematics
1 answer:
aev [14]3 years ago
6 0

Answer:

v = 47

Step-by-step explanation:

v = u + at

Plug in the values.

v = (12) + (5)(7)

Multiply 5 and 7.

v = 12 + 35

Add

v = 47

Hope this helps!

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I'll give brainliest<br><br> reflect (-4,4) in the x-axis
harina [27]

Answer:

(-4,-4)

Step-by-step explanation:

Anytime you reflect a coordinate point across the x-axis, the y-coordinate becomes its opposite and the x-coordinate stays the same.

In this coordinate: (-4,4)

Reflecting (-4,4) across the x-axis means the x-coordinate (-4) would stay the same and the y-coordinate (4) would become its opposite (-4).

The new coordinates after being reflected across the x-axis are (-4,-4).

6 0
3 years ago
Suppose that in a large metropolitan area, 73% of all households have cable tv. Suppose you are interested in selecting a group
Darina [25.2K]

Answer:

P(X \leq 2)=0.000387+0.00628+0.0425=0.0491

Step-by-step explanation:

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=6, p=0.73)

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!}

For what proportion of groups will at most two of the households have cable tv?

So we want to find this probability:

P(X \leq 2)=P(X=0)+P(X=1)+P(X=2)

P(X=0)=(6C0)(0.73)^0 (1-0.73)^{6-0}=0.000387

P(X=1)=(6C1)(0.73)^1 (1-0.73)^{6-1}=0.00628

P(X=2)=(6C2)(0.73)^2 (1-0.73)^{6-2}=0.0425

P(X \leq 2)=0.000387+0.00628+0.0425=0.0491

3 0
3 years ago
Brandy left the mall and drove 10 miles north. Then, she turned east and drove 8 miles to her house. How far is the mall from he
harina [27]

Answer:

12.81 miles

Step-by-step explanation:

You need to use the Pythagorean Theorem to draw a triangle.

10 squared + 8 squared = c squared.

100 + 64 = c squared

164 = c squared

find the square  root of 164:

12.81.

3 0
3 years ago
−2−(−10) in a addtition expression
Rudiy27

The value of -2−(−10) in a addtition expression is 8.

<h3>What is an expression?</h3>

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

Addition, subtraction, multiplication, and division are all possible mathematical operations. As an illustration, the expression x + y has the terms x and y with an addition operator between them.

In this case, -2 - (-10) will be:

= -2 -(-10)

= -2 + 10

= 8

The value is 8.

Learn more about expressions on:

brainly.com/question/723406

#SPJ1

3 0
1 year ago
F(x)=x2 Translate left 2 units Translate down 2 units
Nonamiya [84]
I want an answer to this too, I would love some help as well
5 0
2 years ago
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