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aleksley [76]
3 years ago
10

Add a sign to 91455=0.2

Mathematics
1 answer:
Igoryamba3 years ago
4 0
The answer is > ndjsjdjddh
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A body builder consumed 5,600 calories yesterday. Today, he consumed 4,200 calories.
hammer [34]

well, the difference from 5600 to 4200 is 1400.

If we take 5600 to be the 100%, how much is 1400 off of it in percentage?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 5600&100\\ 1400&x \end{array}\implies \cfrac{5600}{1400}=\cfrac{100}{x}\implies 4=\cfrac{100}{x} \\\\\\ 4x=100\implies x=\cfrac{100}{4}\implies x=25

5 0
3 years ago
I need help going through the steps of a problem please tell steps and not just answer
mezya [45]

Answer:

x = 5/7

Step-by-step explanation:

4 (0.25 - 2) = x - 0.75 (16 - 8x)

1 - 8 = x - 12 + 6x

1 - 8 + 12 = x + 6x

5 = 7x

5/7 = x

4 0
3 years ago
A cone with a radius of 6 cm has a volume of 1200 cm3. What is the height of the cone? (The volume of a cone is given by the for
Rina8888 [55]

Answer:

  • 31.8 cm

Step-by-step explanation:

<u>Volume of a cone:</u>

  • V = 1/3πr²h

<u>We have:</u>

  • V = 1200 cm³
  • r = 6 cm
  • h = ?

<u>Substitute values and solve for h:</u>

  • 1200 = 1/3*3.14*6²h
  • 1200 = 37.68h
  • h = 1200/37.68
  • h = 31.8 cm (rounded)

None of the choices is correct

5 0
3 years ago
Read 2 more answers
Students are getting signatures for a petition to increase sports activities at the community center. The number of signatures t
ohaa [14]

Answer:

The students got 3 signatures on first day.

Step-by-step explanation:

We are given the following in the question:

The number of signatures students get each day is 3 times as many as the day before.

Thus, the number of signatures form a geometric progression with common ratio 3.

r = 3

Number of signatures on sixth day = 3^6

n^{th} term in a geometric progression is given by:

a_n = ar^{n-1}

where a is the first term of the series and r is the common ratio.

a_6 = 3^6\\3^6 = ar^{5}\\3^6 = a(3)^5\\a = 3

Thus, the first term of geometric progression is 3.

Thus, the students got 3 signatures on first day.

7 0
3 years ago
Pls help this assignment is missing
wel

Answer:

See below

Step-by-step explanation:

<h3>Part A</h3>

Standard form is Ax + By = C

<u>x - price of adult tickets, y - price of child tickets, the equation in the standard form is:</u>

  • 15x + 9y = 90 ⇒ 5x + 3y = 30
<h3>Part B</h3>

<u>y-intercept is obtained when x = 0</u>

  • 15*0 + 9y = 90
  • 9y = 90
  • y = 10

It represents the amount of child tickets if no adult tickets sold

<u>x-intercept is obtained when y = 0</u>

  • 15x + y*0 = 90
  • 15x = 90
  • x = 6

It represents the amount of adult tickets if no child tickets sold

<h3>Part C</h3>

<u>Converting the equation into slope-intercept form of y = mx + b</u>

  • 5x + 3y = 30
  • 3y = -5x +  30
  • y = -5/3x + 30/3
  • y = -5/3x + 10
<h3>Part D</h3>
  • The slope is -5/3. It represents the negative ratio of ticket prices

5 0
3 years ago
Read 2 more answers
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