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2 years ago

Lilly bought 4 pairs of blue jeans for $40. How much money did she pay the clerk for each pair of jeans?

Mathematics

2 answers:

k0ka [10]2 years ago

8 0

Answer:

10 in the answer

Step-by-step explanation:

10 is the answer

andreev551 [17]2 years ago

3 0

Answer:

$10

Step-by-step explanation:

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1/7 divided by what equals 14

posledela

Assume the number we are looking for in n
we want to know the value of n that makes 1/7 divided by n is 14

Transforming this to an equation:
(1/7) / n = 14
this means that:
1/7 = 14n
1 = 7 x 14n
1 = 98n
n = 1/98

Therefore:
1/7 divided by 1/98 will give us 14

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2 years ago

The response of randomly-selected people to the question, "how many hours of sleep did you get last night?"

iren2701 [21]

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2 years ago

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Answer: 3(x+2)

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3 years ago

Plz help me with this

never [62]

A) is right
b) just subtract ljm and kjm so 145-48 = 92°
c) 9x-25=7x+7 so here you put npq=mpq+mpn and you combine terms so it's now 2x=32 then divide by 2 on both sides and x= 16
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3 years ago

Two ships leave the same port in different directions, forming a 120° angle between them. One ship travels 70 mi. and the other

kondaur [170]

Answer : Distance between the ships to the nearest miles = 106.03 ≈ 106 mi.

Explanation :

Since we have shown in the figure below :

a=70 mi.

b=52 mi.

c=x mi.

$\text{Since two ships leaves the same port in different directions forming a }120\textdegree\text{angle between them.}$

So, we use the cosine rule , which states that

$c^2=a^2+b^2-2ab.cosC\\\\x^2=70^2+52^2-2\times 70\times 52\times cos(120\textdegree)\\\\x^2=4900+2704-7280\times (-0.5)\\\\x^2=7604+3640\\\\x^2=11244\\\\x=\sqrt{11244}\\\\x=106.03$

So, c = x= 106.03 mi.

Hence, distance between the ships to the nearest miles = 106.03 ≈ 106 mi.

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3 years ago