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3 years ago

I HIT 80 SUBS !!!!! if you want to help out my yt is 999 Trendy TYSMMMM please help out some more.

Mathematics

1 answer:

levacccp [35]3 years ago

4 0

Are you just gonna spam this bruh

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Mr. Smith's wife works at an animal hospital. There is a equivalent fraction relationship between the number of dogs and cats in

dimulka [17.4K]

Answer:

There are 10 dogs in the kennels

Step-by-step explanation:

The equivalent fraction relationship between the number of dogs and cats in the kennels is 1/2.

Which means, if $n_d$ the number of dods and $n_c$ is the number of cats, then,

$\frac {n_d}{n_c}=\frac{1}{2}\cdots(i)$

Given that there are 20 cats, so $n_c=20.$

Now, from equation (i) we have,

$\frac {n_d}{20}=\frac{1}{2}$

$\Rightarrow n_d=\frac{1}{2}\times 20$

$\Rightarrow n_d= 10$ .

Hence, there are 10 dogs in the kennels.

7 0

3 years ago

Aye if all give me the answer to this ill give u 100 points

Zigmanuir [339]

Answer: https://mathantics.com/

Step-by-step explanation: use that I hope it helps

4 0

3 years ago

Read 2 more answers

Factor the polynomial completely using any method. Show steps.<br> 2d^4-13d^2-45

Alinara [238K]

Answer:

$\huge ( {2d}^{2} + 5)(d + 3)(d - 3)$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

factoring
PEMDAS

<h3>given:</h3>

$2d^4-13d^2-45$

<h3>let's solve:</h3>

$2d^4-13d^2-45$

$2 {d}^{4} + 5 {d}^{2} - 18 {d}^{2} - 45 \\ {d}^{2} ( {2d}^{2} + 5) - 9( {2d}^{2} + 5) \\ ( {2d}^{2} + 5)( {d}^{2} - 9 )\\ ( {2d}^{2} + 5)(d + 3)(d - 3)$

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B9x%7D%5E%7B2%7D%20-%20%7B%28x%7D%5E%7B2%7D%20-%204%29%20%7B%7D%5E%7B2%7D%20

Alenkinab [10]

Answer:

${ x^2+3x-4}$

Step-by-step explanation:

Factor top and bottom.

The numerator is a difference of two squares, and the denominator is a quadratic.

$\frac{ {9x}^{2} - {(x}^{2} - 4)^{2} }{4 + 3x - {x}^{2} }$

= $\frac{ (3x+x^2-4)(3x-x^2+4) }{(1+x)(4-x)}$

= $\frac{ (x-1)(x+4) (1+x)(4-x) }{(1+x)(4-x)}$

If x does not equal -1 and does not equal 4, we can cancel the common factors in italics to give

= ${ (x-1)(x+4)}$

= ${ x^2+3x-4}$

3 0

3 years ago

Read 2 more answers

The mean number of people per day visiting a museum in July was 120. If 20

belka [17]

B 140
Cause the mean affected by addition equations

6 0

3 years ago