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ahrayia [7]
3 years ago
5

At a local pet rescue center, 20% of the animals are cats and the rest are dogs. If there are 90 animals at the shelter, how man

y are dogs?
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0

Answer:

Step-by-step explanation:

You do simple math. %20 converted to decimal form is 0.2

You multiply 90 by 0.2

This leaves you with

18

There are 18 cats in the shelter

Subtract 90 by 18

There are 72 dogs in the shelter

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Susan made 4 uniform annual deposits of $1800 in a savings account that earned an interest rate of 2% per year. Her last deposit
Norma-Jean [14]

Answer:

"$ 2,880" is the right answer.

Step-by-step explanation:

The given values are:

Annual deposit,

PV = $1,800

Interest rate,

r = 2%

or,

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As we know,

⇒  FV=PV\times (1+r)n

On substituting the values, we get

⇒         =1,800\times  (1 + 0.02) 4 + 7 + 13

⇒         =1,800\times (1.02)24

⇒         =1,800\times 1.6

⇒         = 2,880 ($)

5 0
3 years ago
Help i am stuck on a question and i still dont know how to do it
drek231 [11]

Answer:

i think it is 1/26

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
You have to prove it!<br>EVEN IF YOU KNOW ONE OF THEM PLZZZ HELPPP!:(<br>.​
natita [175]

Answer:

xi.) 1 = 1

xii.) 1 + 1 = 2

Step-by-step explanation:

see explanation in attached picture,

i hope it helped.

7 0
3 years ago
Someone help please thank you
mojhsa [17]

Answer:

See below.

Step-by-step explanation:

So we have the two functions:

f(x)=8x-5\text{ and } g(x)=9-2x

And we want to find:

(f\circ g)(x)\text{ and } (g\circ f)(x)

1)

Recall that:

(f\circ g)(x)

is the same as:

=f(g(x))

Thus, we can substitute g(x):

=f(9-2x)

And substitute that into f(x):

f(x)=8x-5\\f(9-2x)=8(9-2x)-5

Distribute:

=72-16x-5

Subtract and simplify:

=67-16x\\=-16x+67

Thus:

(f\circ g)(x)=-16x+67

2)

Similarly:

(g\circ f)(x)=g(f(x))

Substitute f(x):

g(f(x))=g(8x-5)

Substitute:

g(8x-5)=9-2(8x-5)

Distribute:

=9-16x+10

Simplify:

=-16x+19

Therefore:

(g\circ f)(x)=-16x+19

4 0
3 years ago
Find the length of the leg x. enter the exact value, not a decimal approximation x1210x=
zzz [600]

We can solve for the value of x using pythagorean theorem

c^2=a^2+b^2

where c is the hypotenuse ( in this case is 15) and a, b are the other legs of the triangle ( in this case is 8 and x).

Let's substitute the given values to the formula

\begin{gathered} c^2=a^2+b^2 \\ 15^2=8^2+x^2 \\ 225=64+x^2 \\ x^2=225-64 \\ x^2=161 \\ x=12.69 \end{gathered}

Now please follow this solution to solve for x in:

3 0
1 year ago
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