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kaheart [24]
3 years ago
6

Landon bought 4 pounds of walnuts for $10.92. What is the constant of proportionality that relates the cost in dollars, y, to th

e number of pounds of walnuts, x?
Mathematics
1 answer:
Lunna [17]3 years ago
6 0

Step-by-step explanation:

The constant of proportionality is the ratio of the cost to the number of pounds of walnuts.  In other words, it is the price of one pound of walnuts.

$10.92 / 4 lb = $2.73 / lb

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Select the correct answer from each drop-down menu.
Arada [10]

Answer:

AC is 13.054

AB is 8.390996

3 0
2 years ago
-3x2 (xy+2x2) + 7x4 -3x3(5y + x)??
allochka39001 [22]

Answer:

−2x4−18x3y

Step-by-step explanation:

Let's simplify step-by-step.

(−3x2)(xy+2x2)+7x4−3x3(5y+x)

Distribute:

=(−3x2)(xy)+(−3x2)(2x2)+7x4+−3x4+−15x3y

=−3x3y+−6x4+7x4+−3x4+−15x3y

Combine Like Terms:

=−3x3y+−6x4+7x4+−3x4+−15x3y

=(−6x4+7x4+−3x4)+(−3x3y+−15x3y)

=−2x4+−18x3y

4 0
3 years ago
Find the arc length of the partial circle.
amid [387]

The arc length of the partial circle is 7.5π

<h3>Calculating arc length</h3>

From the question, we are to determine the arc length of the partial circle

The length of an arc can be calculated by using the formula

l = \frac{\theta}{360^\circ} \times 2\pi r

Where l is the length of the arc

\theta is the angle subtended

and r is the radius

From the diagram,

θ = 270°

r = 5

Putting the values into the equation, we get

l = \frac{270 ^\circ}{360^\circ} \times 2\pi \times 5

l = \frac{3}{4} \times 2\pi \times 5

l = \frac{30\pi}{4}

l = \frac{15}{2}\pi OR 7.5π

Hence, the arc length of the partial circle is 7.5π

Learn more on Calculating arc length here: brainly.com/question/16552139

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3 0
2 years ago
I'm confused with this, please help me. thanks ​
Eduardwww [97]

Answer:  17%

Step-by-step explanation:

I think they're saying your expenses for everything this month were $500, and of that $500 you spent $85 on clothing.

Let's represent the percentage spent on clothing as "\star". Then

$\star \% = \frac{85}{500}$

$\frac{\star}{100} = \frac{85}{500}$

which means

$\star = \frac{85}{500} \times 100 = 17$

(If you don't understand how I moved the 100, just think about it for a bit.)

So the answer is \boxed{17\%}.

7 0
3 years ago
Read 2 more answers
Mia bought 5 packs of gum. After giving 11 pieces to her niece, she put the remaining 29 pieces in her backpack. Write an equati
kolbaska11 [484]
5packs=40
Equation 40-11=29
5 0
3 years ago
Read 2 more answers
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