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MariettaO [177]
3 years ago
7

What divide by what equals 0.4545......​

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0

Answer:

5/11

Step-by-step explanation:

let x=0.4545...

100x=45.4545...

100x-x = 99x=45.4545... - 0.4545...=45

x=45/99=5/11

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Answer the value of x
GalinKa [24]

Answer:

Step-by-step explanation:

(8-2)*180=1080 degrees

114+66+94+259+94+67+254+97+x=1080

1045+x=1080

1080-1045=x

x=35

4 0
2 years ago
A type of bacterium triples in population every hour. Assuming you start with
VashaNatasha [74]

Answer:

  7290

Step-by-step explanation:

Put 5 in the formula and evaluate.

  a(5) = 90·3^(5-1) = 90·81 = 7290

There will be 7290 bacteria at the beginning of hour 5.

4 0
4 years ago
There are 6 students. 2 of them are chosen for the position of president and Vice President. How many ways do we have to choose
Nutka1998 [239]

We have 15 ways to chose 2 students for the position of president and Vice President

<em><u>Solution:</u></em>

Given that,

There are 6 students. 2 of them are chosen for the position of president and Vice President.

<em><u>To find: number of ways we have to choose the students from the 6 students</u></em>

So now we have 6 students, out of which we have to choose 2 students

As we just have to select the students. We can use combinations here.

In combinations, to pick "r" items from "n" items, there will be ^{\mathrm{n}} \mathrm{C}_{\mathrm{r}} ways

^{\mathrm{n}} \mathrm{C}_{\mathrm{r}}=\frac{n !}{(n-r) ! r !}

<em><u>Then, here we have to pick 2 out of 6:</u></em>

Total students = n = 6

students to be selected = r = 2

\begin{aligned} 6 C_{2} &=\frac{6 !}{(6-2) ! 2 !} \\\\ 6 C_{2} &=\frac{6 !}{4 ! 2 !} \\\\ 6 C_{2} &=\frac{6 \times 5 \times 4 \times 3 \times 2 \times 1}{4 \times 3 \times 2 \times 1 \times 2 \times 1} \\\\ 6 C_{2} &=15 \end{aligned}

Thus we have 15 ways to chose 2 students for the position of president and Vice President

3 0
3 years ago
Evaluate the expression when x = 32 and y = 2. x4y WILL MARK BRAINLYNESS
NeTakaya

Answer:

Option d. 4

Step-by-step explanation:

The correct expression is \frac{x}{4y}

we know that

To find the value of the expression we will substitute the given value of x and y in the expression.

For x=32, y=2

substitute

\frac{32}{4(2)}=\frac{32}{8}=4

8 0
3 years ago
T/) The senior classes at High School A and High school B planned separate trips to the county fair.
blsea [12.9K]

Answer:

C) Van: 9, Bus: 25

Step-by-step explanation:

6V + 2B = 104

V + 2B = 59

V = 59 - 2B

6(59 - 2B) + 2B = 104

354 - 12B + 2B = 104

10B = 250

B = 25

V = 59 - 2(25)

V = 59 - 50

V = 9

3 0
3 years ago
Read 2 more answers
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