3 years ago

Which pair of undefined terms is used to define a ray?

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

7 0

Answer:

A point and line is used to define a ray.

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A model of a famous statue is 2 1/2 inches tall. The actual statue is 3 3/4 feet tall. What is the ratio of the height of the mo

madreJ [45]

Answer: 2:3.

Step-by-step explanation:

$\displaystyle\\\frac{The\ height\ of\ a\ model \ of \ a\ famous \ statue }{The\ height\ of\ the\ actual \ statue} =\frac{2\frac{1}{2} }{3\frac{3}{4} } \\\\\frac{\frac{5}{2} }{\frac{15}{4} } =\\\\\frac{5*4}{15*2} =\\\\\frac{2}{3}=2:3.$

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2 years ago

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ExtremeBDS [4]

Answer:

The one that wieghs 10 grams

Step-by-step explanation:

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3 years ago

The perimeter of GHJ

Dafna1 [17]

They have a scale factor of 5:6 so first we need to find the perimeter of KLM:
$11 + 14 + 17 = 42$
Then apply the scale factor of 5:6:
$\frac{5}{6} = \frac{x}{42}$
Set the denominators equal:
$\frac{35}{42} = \frac{x}{42}$
So we see that the perimeter of GHJ is 35.

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3 years ago

When you subtract one negative integer from another will your answer be greater than or less than the integer you started with

MatroZZZ [7]

Subtracting a negative integer is the same as adding a positive integer. Adding a positive integer to any number always makes the answer larger than the original number. Therefore, if you subtract one negative integer from another your answer will be always be *greater* than the integer you started with.

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3 years ago

Solve using square root or factoring method

OlgaM077 [116]

9x^2 + 18x + 9 = 5

9(x^2 + 2x +1) - 5 = 0

x^2 + 2x - 4 = 0

Then use the quadratic formula.

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3 years ago