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Wittaler [7]
1 year ago
15

Tom sells baseball cards at 10 for 35 cents. Is that better deal than 12 for 40 cents? Prove your thinking

Mathematics
1 answer:
Aleks [24]1 year ago
7 0

Answer:

12 for 40 cents is a better deal.

Step-by-step explanation: 35divided by 10 is 3.5 and 12 divided by 40 is 3.333... therefore for just one card it is cheaper but you are getting more cards anyways.

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On a coordinate plane, 2 quadrilaterals are shown. Quadrilateral Q R S T has points (negative 1, 0), (5, 0), (3.5, negative 6) a
dimulka [17.4K]

Answer:

\dfrac{1}{3}.

Step-by-step explanation:

In quadrilateral QRST, Q(-1,0), R(5,0), S(3.5,-6), T(-2.5,-6).

In quadrilateral Q'R'S'T', Q'(-1,2), R'(1,2), S'(0.5,0), T'(-1.5,0).

Distance formula:

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Using distance formula , we get

QR=\sqrt{(5-(-1))^2+(0-0)^2}=\sqrt{6^2}=6

Q'R'=\sqrt{(1-(-1))^2+(2-2)^2}=\sqrt{2^2}=2

Now,  

\text{Scale factor}=\dfrac{Q'R'}{QR}

\text{Scale factor}=\dfrac{2}{6}

\text{Scale factor}=\dfrac{1}{3}

Therefore the scale factor is \dfrac{1}{3}.

5 0
2 years ago
Read 2 more answers
The Answer is 8 for, "The product of 32 and an unknown number subtracted from 435 is 179.
nirvana33 [79]
Putting this into an equation looks like this:

435 - 32<em>x</em> = 179

-32<em>x</em> = -256

<em>x</em> = 8


The answer <em>is</em> 8. Well done.
3 0
2 years ago
There are 8 soccer matches per day at Greenville's annual soccer tournament, which lasts 17 days. Estimate the number of soccer
Gnesinka [82]

Answer:

140

Step-by-step explanation:

8 per day

17 days

8*17 = 136 soccer matches in the tournament

136 rounded to the nearest 10 =  140

7 0
2 years ago
Which number line model represents the expression 2.5+4.5
Pani-rosa [81]

Answer:

Yuhh the answers c dawhggg trus me i just did the same thing lawl!

Step-by-step explanation:

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2 years ago
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The perimeter of a rectangle is 12 centimeters.The length of the rectangle is 5 centimeters.What is area of the rectangle
Alona [7]

find the answer in the attached image

please see the full image

8 0
2 years ago
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