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Gnoma [55]
2 years ago
12

A Zoo Has a Elephant to giraffe ratio of 1 to 5. There are 18 Total animals. How many are giraffes? (Please Answer Quickly i rea

lly need this!!!)
Mathematics
1 answer:
Julli [10]2 years ago
5 0

There are 15 giraffes in the zoo.

  • Let the Elephant be E.
  • Let the Giraffe be G.

<u>Given the following data:</u>

  • Total animals = 18 animals
  • Ratio of E to G = 1:5
  • Total ratio= 1 + 5 = 6

To find how many of the animals are giraffes:

G = \frac{Ratio \; of \; giraffe}{Total \; ratio} × Total \; animals

Substituting the values, we have;

G = \frac{5}{6} × 18

G = \frac{90}{6}

<em>Giraffe, G </em><em>=</em><em> 15 giraffes</em>

Therefore, there are 15 giraffes in the zoo.

Ratio: brainly.com/question/12212308

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The sector of a circle is shown below. It has a radius of 10 centimeters and a central
disa [49]

Answer:

1) 8.9 cm

2) 44.5 cm^2

Step-by-step explanation:

a) we want to calculate the length of the arc

Mathematically, we use the formula for the length of an arc

That will be ;

theta/360 * 2 * pi * r

theta = central angle = 51

r is radius = 10 cm

so we have ;

51/360 * 2 * 22/7 * 10 = 8.9 cm

2) The area of the sector is;

theta/360 * pi * r^2

51/360 * 22/7 * 10^2

= 44.5 cm^2

5 0
3 years ago
3) Valerie works at a local amusement park. She earns $9.80 per hour. She 20 points
NemiM [27]
<h3>Answer:  Choice A</h3><h3>9.80h+10 = 88.40</h3>

===========================================================

Work Shown:

  • h = number of hours worked.
  • 9.80h = amount of money earned after working h number of hours (ignoring the meal bonus).
  • 9.80h+10 = total amount of money earned after adding on the meal bonus.
  • 9.80h+10 = 88.40 is the equation we use since the total 9.80h+10 is the same as the total she earned 88.40 dollars.

--------------------

Extra info (optional section)

If you want to solve for h, then you could follow these steps.

9.80h+10 = 88.40

9.80h = 88.40-10 ... subtract 10 from both sides

9.80h = 78.40

h = 78.40/9.80 .... divide both sides by 9.80

h = 8

Valerie worked 8 hours on Friday.

As a check,

9.80h + 10 = 88.40

9.80*8 + 10 = 88.40

78.40 + 10 = 88.40

88.40 = 88.40

The answer is confirmed.

3 0
3 years ago
A machine in a factor makes 2o gidgets every 1/4 hour. How many gidgets are made every hour ?
Dahasolnce [82]

Answer:

lol

Step-by-step explanation:

lollololol

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6 0
3 years ago
Max z = 3x1 + 5x2 subject to: 7x1 + 12x2 ≤ 136 3x1 + 5x2 ≤ 36 x1, x2 ≥ 0 and integer find the optimal solution. what is the valu
Reptile [31]
The second constraint is the same as the objective function, so your problem boils down to finding integer solutions to
.. 3x1 +5x2 = 36

There are 3 solutions. They are (x1, x2) = (12, 0), (7, 3), (2, 6)

The value of the objective function there is (obviously) 36.
4 0
3 years ago
Which of the following is the product of the rational expression 1/x+2 × x/x-2
pav-90 [236]

Answer:

the answer of your question

\frac{1}{x + 2}  \times  \frac{x}{x - 2}  =  \frac{x}{x ^{2}  - 4}

6 0
3 years ago
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