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Ede4ka [16]
3 years ago
13

Ok so i ask in my last question: An animal shelters hauses only cats and dogs, and there are 25% more cats than dogs. If there a

re 40 cats, how many dogs are there which gave a total of:32 but now it ask me: How many animals are in total.
Is due tonight
Mathematics
2 answers:
Anna007 [38]3 years ago
6 0

Answer:

72 animals

Step-by-step explanation:

Let d = dogs

d+d25% = cats

Changing to decimal form

d+.25d= cats

d(1.25) =cats

There are 40 cats

d(1.25) =40

Divide each side by 1.25

1.25d/1.25 = 40/1.25

d =32

There are 32 dogs and 40 cats

The total number of animals

32+40 = 72

dimulka [17.4K]3 years ago
3 0

Answer:   I think the answer is 72  if u add a  total of 32 plus 40 it equals to 72

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Tems11 [23]
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------------------- =       
  x^2+4x -21

         x+7
= -------------------
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       1
= ----------  where x is not equal -7 and 3
    x - 3

answer is A. first choice
4 0
3 years ago
Is my answer correct or no? <br> ---&gt; show explanation &amp; details if i am wrong!!!
neonofarm [45]

Answer:

No, because the distance from the origin to point (7 , -7) is greater than the radius of the circle ⇒ 3rd answer

Step-by-step explanation:

From the graph of the circle

∵ The center of the circle F is at the origin

∴ F is (0 , 0)

∵ The circle passes through point (7 , 0)

- The length of the radius of the circle is the distance between

   the center of the circle and a point on the circle

∴ r is the distance between points (0 , 0) and (7 , 0)

∴ r=\sqrt{(7-0)^{2}+(0-0)^{2}}=\sqrt{49}=7

∴ The length of the radius of the circle is 7 units

Let us find the distance between point (7 , -7) and the origin (0 , 0)

  • If the distance is equal to the radius of the circle, then the point is on the circle
  • If the distance is greater than the radius, then the point is outside the circle
  • If the distance is less than the radius, then the point is inside the circle

∵ The distance =  \sqrt{(7-0)^{2}+(-7-0)^{2}}=\sqrt{49+49}=\sqrt{98}=7\sqrt{2}

∵ r = 7

∵ 7\sqrt{2} > 7

∴ The distance is greater than the radius of the circle

∴ Point (7 , -7) lies outside the circle

The correct answer is:

No, because the distance from the origin to point (7 , -7) is greater than the radius of the circle

<em>Your answer is not correct, the correct answer is the 3rd answer</em>

3 0
3 years ago
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Anon25 [30]

Answer:

B. 25.40 cm

You're welcome

8 0
2 years ago
Write f(x) = 2x2 – 44x 185 in vertex form. To write f(x) = 2x2 – 44x 185, factor out from the first two terms. Next, form a perf
Tasya [4]

The quadratic function f(x) = 2x² – 44x + 185 is written in vertex form is f(x) = 2(x –  11)² – 57.

<h3>What is a quadratic equation?</h3>

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

The quadrattic equation is f(x) = 2x² – 44x + 185.

Take common 2 from the equation, we have

f(x) = 2(x^2 - 22x )+ 185

Add and subtract 121, we have

f(x) = 2(x^2 - 22x +121 - 121 )+ 185\\\\f(x) = 2[(x^2 - 11)^2-121]+ 185\\\\f(x) = 2(x-11)^2 - 242 + 185\\\\f (x ) = 2(x-11)^2 -57

And we know that the standard equation

f(x) = a(x - h)² + k

On comparing, we have

The vertex (h, k) is (11, -57).

More about the quadratic equation link is given below.

brainly.com/question/2263981

5 0
1 year ago
Which is the better definition of y = mx
galben [10]
I assume you're trying to say y=mx+b
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2 years ago
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