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____ [38]
3 years ago
8

Is my answer correct or should I add more or change it?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0

Answer:

the answer u wrote is correct because the question says to just subtract x number of dog by 7 dogs and u get a total of 35 dogs

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2 At Bea's Pet Shop, the number of dogs, d, is initially five less than twice the number of cats, c. If she decides to add three
KatRina [158]

Let D be dogs and C be cats

<em>dogs, d, is initially five less than twice the number of cats, c</em>

D + 5 = 2C

<em>If she decides to add three more of each, the ratio  of cats to dogs will be</em>

D + 8 = 2C + 3

<em>Could Bea's Pet Shop initially have 15 cats and 20 dogs?</em>

Simply plug in the numbers

20 + 5 = 2(15)

This is clearly not true: 25 does not equal 30

<em />

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6 0
3 years ago
Find the rational roots f(x) =3x3+ 2x2 + 3x + 6
Ann [662]

The rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

<h3>How to determine the rational root of the function f(x)?</h3>

The function is given as:

f(x) = 3x^3 + 2x^2 + 3x + 6

For a function P(x) such that

P(x) = ax^n +...... + b

The rational roots of the function p(x) are

Rational roots = ± Possible factors of b/Possible factors of a

In the function f(x), we have:

a = 3

b = 6

The factors of 3 and 6 are

a = 1 and 3

b = 1, 2, 3 and 6

So, we have:

Rational roots = ±(1, 2, 3, 6)/(1, 3)

Split the expression

Rational roots = ±(1, 2, 3, 6)/1 and ±(1, 2, 3, 6)/3

Evaluate the quotient

Rational roots = ±(1, 2, 3, 6, 1/3, 2/3, 1, 2)

Remove the repetition

Rational roots = ±(1, 2, 3, 6, 1/3, 2/3)

Hence, the rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

The complete parameters are:

The function is given as:

f(x) = 3x^3 + 2x^2 + 3x + 6

The rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

Read more about rational roots at

brainly.com/question/17754398

#SPJ1

4 0
2 years ago
I need the steps and answers please
katrin [286]

Step-by-step explanation:

3(2x - 5) = 6(x + 3)

6x - 15 = 6(x + 3)

6x - 15 = 6x + 18

- 15 = 18

= x∈\O

3 0
3 years ago
Circle X has radius r X = 6 units and circumference C X = 12 π units. Circle Y has circumference C Y = 6 units. Which equation i
slega [8]

Answer:

ry=\frac{rx}{2\pi }

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

we have

<em>Circle X</em>

rx=6\ units

Cx=12\pi\ units

<em>Circle Y</em>

Cy=6\ units

Find the radius ry

we know that

Cy=2\pi ry

substitute the value of Cy

6=2\pi ry

ry=\frac{6}{2\pi }

Remember that the value of rx is rx=6\ units

substitute

ry=\frac{rx}{2\pi }

6 0
3 years ago
The value of the expression 100-15x when x = 5 is
wariber [46]
Replace x with 5, and evaluate the expression.
Remember to follow the correct order of operations.

100 - 15x =

= 100 - 15 * 5

= 100 - 75

= 25
8 0
4 years ago
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