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klasskru [66]
2 years ago
12

the cost of 4 ice cream cones from the snack bar was $10.40. if each ice cream costs the same amount, which model correctly illu

strates the relationship? check all that apply
Mathematics
1 answer:
aalyn [17]2 years ago
6 0
I hope this helps, good luck!

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How do you find surface area? If you can explain it that would be great :) thank you!​
zepelin [54]

Answer:

SA=2lw+2lh+2hw

Step-by-step explanation:

Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

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2 years ago
Based on the pattern, which power of 10 would have a value of StartFraction 1 Over 1,000,000 EndFraction?
Hunter-Best [27]

Answer:

powers of 10

Step-by-step explanation:

Simone examined the pattern in the table

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2 years ago
Jake says the 3 in 738 has a value of 3. He shows
NeX [460]
No because the 3 is the tens place. So its supposed to 3 ten blocks
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3 years ago
A day of the week is randomly chosen. What is the probability of choosing monday or friday?
Karo-lina-s [1.5K]

Answer:

You have a 2/7ths chance of picking Monday or Friday.

Explanation

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8 0
3 years ago
Read 2 more answers
Using addition formula solve tan 15​
salantis [7]

Answer:

2 - \sqrt{3}

Step-by-step explanation:

Using the addition formula for tangent

tan(A - B) = \frac{tanA-tanB}{1+tanAtanB} and the exact values

tan45° = 1 , tan60° = \sqrt{3} , then

tan15° = tan(60 - 45)°

tan(60 - 45)°

= \frac{tan60-tan45}{1+tan60tan45}

= \frac{\sqrt{3}-1 }{1+\sqrt{3} }

Rationalise the denominator by multiplying numerator/ denominator by the conjugate of the denominator.

The conjugate of 1 + \sqrt{3} is 1 - \sqrt{3}

= \frac{(\sqrt{3}-1)(1-\sqrt{3})  }{(1+\sqrt{3})(1-\sqrt{3})  } ← expand numerator/denominator using FOIL

= \frac{\sqrt{3}-3-1+\sqrt{3}  }{1-3}

= \frac{-4+2\sqrt{3} }{-2}

= \frac{-4}{-2} + \frac{2\sqrt{3} }{-2}

= 2 - \sqrt{3}

3 0
3 years ago
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