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3 years ago

How many 1/4 inches are in 3 inches

Mathematics

2 answers:

Yakvenalex [24]3 years ago

8 0

Answer:

Step-by-step explanation:

4 1/4 inches are in 1 inch, 3 inches total would make 12.

iren [92.7K]3 years ago

5 0

Answer:

12 inches

Step-by-step explanation:

you do 3 inch divided by 1/4in

3 divided by 1/4 = 3 x 4/1 = 12/1 =12

hope i helped you!

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Kyle bought a DVD that cost $19.23, including tax. She gave the sales clerk a $20 bill. How much change should Kyle receive?

maxonik [38]

Answer: Kyle received $0.77

Step-by-step explanation:

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3 years ago

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The ability of lizards to recognize their predators via tongue flicks can often mean life or death for lizards. Seventeen juveni

Sloan [31]

Answer:

Confidence level is (380.7133, 533.2867)

Step-by-step explanation:

Responses in number of tongue flicks per 20 minutes of lizards, are: 727,217, 268, 438, 625, 319, 200, 591, 574, 727, 693, 336, 302, 761, 268, 353, 370

n = 17

Mean (μ) is:

$\mu=\frac{{\Sigma}x}{n} = \frac{727+217+ 268+ 438+ 625+ 319+ 200+ 591+ 574+ 727+ 693+ 336+ 302+ 761+ 268+ 353+ 370}{17} = 439.3529$

Standard deviation (σ) is:

$\sigma=\sqrt{\frac{\Sigma(x-\mu^2)}{n} } =\sqrt{\frac{(727-457)^2+(217-457)^2+...+(370-457)^2}{17} } =191.2$

The confidence interval (c) = 90% = 0.9

$\alpha=1-0.9=0.1\\\frac{\alpha }{2} = 0.05\\Z_{\frac{\alpha }{2} }=1.64$

Margin of error (e) = $=Z_{\frac{\alpha}{2} }*\frac{\sigma}{\sqrt{n} }=1.64*\frac{191.2}{\sqrt{17} }=76.2867$

Confidence level = μ ± e = 457 ± 76.2867 = (380.7133, 533.2867)

8 0

4 years ago

Answer and show steps used to get the answer .

shepuryov [24]

Cake:
12x15x2
(12x2)^2=576
(15x2)^2=900
15x12. =180
Add all the answers up
576+900+180=1656 square inches of icing

Cupcakes:
48cupcakes
Radius: 1.5
Pi(r)^2
3.14159(r)^2
3.14159(1.5)^2
3.14159(2.25)
7.0685 square inches

More icing on the cake

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3 years ago

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Please help me out if possible.

Katena32 [7]

Answer:

Step-by-step explanation:

Plotting the points in a sketch quickly shows that the vertices are not at right angles to each other, thus excluding rectangle and square whose vertices are at right angles.

The best selection is a rhombus

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4 years ago

A youth chorus has 30 members. There are 14 boys in the chorus.

saw5 [17]

The ratio of boys to girls in simplest form is
14:16
14/16
Divide through by 2
7/8
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3 years ago

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