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2 years ago

Number 4 plz help me out

Mathematics

1 answer:

Paul [167]2 years ago

6 0

I'm really not good at this .. but if u want multiply or dived the cm's .. math is not my best subject if I'm wrong .. sorry

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A circle's radius is 23 inches. What is the circle's circumference ( use 3.14 for pi and round to the nearest tenth.) 20 POINTS

Katyanochek1 [597]

Answer: 144.44

Step-by-step explanation:

radius is half of diameter so multiply the radius by 2 which is 46.

The circumferece of a circle is C=pi x d . multiply the rounded pi by the diameter which is 144.44

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2 years ago

Evaluate the expression 3^4 divide (14 — 5) x 2.

Licemer1 [7]

Answer: 18

Step-by-step explanation:

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2 years ago

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Mon poured 100 kilograms of water into 10 kg of salt. He made ___ kilograms of ___% salt solution.

Marianna [84]

Mon had 100 kg of water, dumped it into 10kg of pure salt, namely 100% salt, what happened? well, it ended up with 100kg + 10kg, or 110kg of saline solution, off which 10kg are just salt.

so, if we take the 110kg to be the 100%, what is 10kg in percentage off of it? namely the salty part.

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
110&100\\
10&x
\end{array}\implies \cfrac{110}{10}=\cfrac{100}{x}\implies x=\cfrac{10\cdot 100}{110}$

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2 years ago

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Write the polynomial in factored form. <br><br> p(x)=(x+5)(x-___)(x+___)

Rom4ik [11]

Answer:

Step-by-step explanation:

Given : $p(x)=x^{3} +6x^{2} -7x-60$

Solution :

Part A:

First find the potential roots of p(x) using rational root theorem;

So, $\text{Possible roots} =\pm\frac{\text{factors of constant term}}{\text{factors of leading coefficient}}$

Since constant term = -60

Leading coefficient = 1

$\text{Possible roots} =\pm\frac{\text{factors of 60}}{\text{factors of 1}}$

$\text{Possible roots} =\pm\frac{1,2,3,4,5,6,10,12,15,20,60}{1}$

Thus the possible roots are $\pm1, \pm2, \pm 3, \pm4, \pm5,\pm6, \pm10, \pm12, \pm15, \pm20, \pm60$

Thus from the given options the correct answers are -10,-5,3,15

Now For Part B we will use synthetic division

Out of the possible roots we will use the root which gives remainder 0 in synthetic division :

Since we can see in the figure With -5 we are getting 0 remainder.

Refer the attached figure

We have completed the table and have obtained the following resulting coefficients: 1 , 1,−12,0. All the coefficients except the last one are the coefficients of the quotient, the last coefficient is the remainder.

Thus the quotient is $x^{2} +x-12$