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IRINA_888 [86]
3 years ago
11

1. John bought 5 pounds of flour for $3. How many dollars did he pay per pound of flour?

Mathematics
1 answer:
meriva3 years ago
3 0
1. John payed approximately 1.6$/pound of flour. (5/3)
2. It takes 9.75 pounds of seed per acre. (39/4)
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Find the arc length of the semicircle. 7the grade
charle [14.2K]

so, is a semi-circle, half a circle, recall a circle has a total of 360°, so half of that will be 180°.

the diameter of that circle is 10, so its radius is half that, or 5.


\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ \theta =180\\ r=5 \end{cases}\implies s=\cfrac{(180)(\pi )(5)}{180}\implies s=5\pi \stackrel{\pi =3.14}{\implies s=15.7}

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(2t^2+13t+15)\(t+6) long division
aleksklad [387]

Answer:

I think this is the correct solution

6 0
2 years ago
How to solve? 3x^3 - 45x = 0
Tems11 [23]
STEP
1
:
Equation at the end of step 1

((3 • (x3)) - (32•5x2)) + 150 = 0
STEP
2
:

Equation at the end of step
2
:

(3x3 - (32•5x2)) + 150 = 0
STEP
3
:

STEP
4
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Pulling out like terms

4.1 Pull out like factors :

3x3 - 45x2 + 150 = 3 • (x3 - 15x2 + 50)

Polynomial Roots Calculator :

4.2 Find roots (zeroes) of : F(x) = x3 - 15x2 + 50
Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number P/Q then P is a factor of the Trailing Constant and Q is a factor of the Leading Coefficient

In this case, the Leading Coefficient is 1 and the Trailing Constant is 50.

The factor(s) are:
3 0
3 years ago
You work in the state of Nebraska where the sales tax is five and a half percent what would be the tax rate expressed as a decim
dedylja [7]
Just answered this lol
3 0
3 years ago
Plz help both problems right answer!!
Aneli [31]
3:5=m:60
m= 36
1. B)36

22in30 min
22+22=44
44in 1hr
44x3=132 in 3hr 
2.  D)132
7 0
3 years ago
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