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2 years ago

What’s the answer a) b) c) or d)

Mathematics

1 answer:

Ivan2 years ago

8 0

Answer:

b ummm is this even a question?

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He earns $37 for 4 hours and 64.75 for 7 hours. what is the constant of proportionality

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Answer:

my answer is 9.25

Step-by-step explanation:

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2 years ago

Does anyone know this?

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it has 5

Step-by-step explanation:

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2 years ago

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Use the Distance Formula to find the distance between (−3, 7) and (8, −6) , rounded to the nearest hundredth.

igomit [66]

Answer:

d= 17.03

Step-by-step explanation:

$d=\sqrt{ (x_{2}-x_{1})+(y_{2}-y_{1})^{2}}\\\\d=\sqrt{(8--3)+(-6-7)^{2}}\\\\d=\sqrt{(11)+(-13)^{2}} \\\\d=\sqrt{121+169}\\\\d= \sqrt{290} \\\\d=17.03$

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3 years ago

Select all side lengths that could be the sides of a triangle.

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Step-by-step explanation:

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3 years ago

The sum of the digits of a two-digit

Ann [662]

Answer:

Step-by-step explanation:

Let the unit place be ‘x'

Tenth place be y

The number is 10y+x

x+y = 9 (according to the condition) (1)

Digits are interchanged Unit place' y ‘& tenth place ‘ x'

New no is 10x +y

This is 9 more than the original number

10x+ y = 10y+x +9

10x-x+y-10y = 9

9x-9y= 9

x-y = 1 (dividing by 9) (2)

Adding the two equations

2x = 10

x= 5

Substituting the value of x in first equation

y = 4

The number is 45, the original number is 54 this is 9 more of the new number.

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2 years ago