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Nataliya [291]
3 years ago
7

Find positive square root of 17 __ 25 17 by 25

Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0

Answer:

0.824

Step-by-step explanation:

hope it helps u....

Annette [7]3 years ago
6 0

Answer:

0.824 is the answers for the question

Step-by-step explanation:

please mark me as brainlest

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Alex is 1.6 m tall and Noah is 1.5 times as tall as Alex. How much tall is Noah in centimeters?
Yanka [14]
D= difference in height

A= Alex's height (1.6m) N= Noah's height (1.5A)

Step 1:

D=N-A

substitute N= 1.5 A in for N

D= 1.5(1.6) - 1.6

D= 2.4 - 1.6

D= 0.8 m difference in height

Step 2:

Convert meters to centimeters 1 m = 100 centimeters

0.8 x 100-80cm

Noah is 80cm taller than Alex.

Hope this helps! :)
3 0
2 years ago
The access code for a garage door consists of three digits. Each digit can be any number from 1 through 5​, and each digit can b
Papessa [141]

Answer:

(a) 125

(b) \dfrac{1}{125}

(c) \dfrac{124}{125}

Step-by-step explanation:

We are given that access code consists of 3 digits.

Each digit can be any digit through 1 to 5 and can be repeated.

Now, this problem is equivalent to the problem that we have to find:

The number of 3 digit numbers that can be formed using the digits 1 to 5 with repetition allowed.

(a) We have 3 places here, unit's, ten's and hundred's places respectively and  each of the 3 places have 5 possibilities (any digit allowed with repetition).

So, total number of access codes possible:

5\times 5 \times 5 = 125

(b) Suppose, an access code is randomly selected, what is the probability that it will be correct.

Formula for probability of an event E can be observed as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

Here, only 1 code is correct, so

Number of favorable cases = 1

Total number of cases = 125

So, required probability:

P(E) = \dfrac{1}{125}

(c) Probability of not selecting the correct access code on first time:

P(\overline E) = 1-P(E)\\\Rightarrow P(\overline E) = 1-\dfrac{1}{125}\\\Rightarrow P(\overline E) = \dfrac{125-1}{125}\\\Rightarrow P(\overline E) = \dfrac{124}{125}

So, the answers are:

(a) 125

(b) \dfrac{1}{125}

(c) \dfrac{124}{125}

7 0
3 years ago
9α – 8α<br><br> Can someone please answer this question ty
Andrei [34K]
1a (you don’t necessarily need to include the 1, so you can just put “a” if you’d like).
5 0
2 years ago
Evaluate expression 20+3c+17d when c=8 and d=2.
Tems11 [23]
Just plug in the numbers for the variables.


20+3(8)+17(2)=
3 0
3 years ago
What is the center and radius of the circle with the given equation (x-1)^2+(y+1)^2=4?
Mrrafil [7]
<span>The center is x = 1, y = -1.
The radius is 2. </span>
4 0
3 years ago
Read 2 more answers
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