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laila [671]
3 years ago
13

Sally’s wallet contains:

Mathematics
2 answers:
rusak2 [61]3 years ago
7 0
A penny will be drawn 60 times and a nickel will be drawn 40
Sonbull [250]3 years ago
4 0

Answer:

Nickles: 96 times

Penny:  48 times

Step-by-step explanation:

5+3+8+4 = 20 coins in total

20x = 240

x=12 (chance of a coin being picked)

8 nickles(12) = 96

4 pennies(12) = 48

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After working for 25 hours, Larry made $375. After working for 40 hours, Kyle made $560. Who is paid the better rate? Explain ho
Juliette [100K]

Answer:

Larry.

Step-by-step explanation:

For Larry, do 375/25 = 15. He is getting paid $15 an hour.

For Kyle, you do 560/40 = 14. He is getting paid $14 an hour.

$15 is greater than $14 an hour, so Larry is getting paid at a better rate.

6 0
3 years ago
Use the Pythagorean theorem to obtain the function​ D(x) for the length of the diagonal of a double square of width x.
Yuri [45]

Answer:

D(x)= x\sqrt{2}

Step-by-step explanation:

Given

Side = x

Required

Represent the diagonal as a function

Using Pythagoras theorem, the diagonal is:

D^2= Side^2 + Side^2

Substitute x for Side

D^2= x^2 + x^2

D^2= 2x^2

Take the square root of both sides

D= \sqrt{2x^2

Split

D= \sqrt{2} * \sqrt{x^2

D= \sqrt{2} * x

D= x\sqrt{2}

Express as a function.

D(x)= x\sqrt{2}

4 0
3 years ago
Describe how to find the vertex of a parabola if you are given the equation
emmainna [20.7K]

Answer:

The vertex of a parabola is (h,k)

Step-by-step explanation:

The vertex form of a parabola is y=a(x-h)^2+k where a is the stretch/compression factor and (h,k) is the vertex. So to find the vertex, you will need (h,k) which represents the horizontal and vertical shift of the parabola

3 0
3 years ago
june made a design with 6 equql tiles.One tile is yellow,2 tile iare blue and 3 tiles are purple. what fraction of the tiles are
Rudiy27
It would be 2/3 because u add the one yellow and three purple to make 4 (put that on the numerator) and the 6 would go on the denominator to make 4/6 then u divide each by two to reduce to get 2/3
4 0
3 years ago
Mary wants to fill in a cylinder vase. At the flower store they told her that the vase should be filled for the flowers to last
GalinKa [24]
<span>502.654825. You do pi times 16 times 10.</span>
3 0
3 years ago
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