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3 years ago

If two lines are parallel, then the lines are coplanar.

Mathematics

1 answer:

muminat3 years ago

7 0

This is a true statement. They need to be on the same plane in order to be parallel.

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PLEASE HELP ME WITH THIS! PLEASE!

Katena32 [7]

Answer:

Its D.

Step-by-step explanation:

All you have to do is divide 3 1/2 by 1/2.

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3 years ago

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The first and last terms of a 10-term arithmetic series are listed in the table. What is the sum of the series?

USPshnik [31]

The arithmetic sequence general formula is an = a1 + d *(n-1) where d is the arithmetic difference and n is an integer. In this case, upon derivation, the formula that represents the sum of the series is S = (a1 + an)*(n/2). Substituting, S = (3+75)*(10/2) equal to 390

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3 years ago

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Logan is making bookmarks that contain flower petals. He has 95 petals. He uses 3 flower petals for each bookmark. What is the G

Tcecarenko [31]

Answer: The GREATEST number of bookmarks that Logan can make = 31.

Step-by-step explanation:

GIven: Total petals = 95

Number of petals required for each bookmark = 3

Number the number of bookmarks can be prepared from 95 petals = 95 ÷ (Petals required of each bookmark)

= 95÷3

$=31\dfrac{2}{3}\ \ \ \approx31\text{ [Round to the nearest whole number.]}$

i.e. The GREATEST number of bookmarks that Logan can make = 31.

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3 years ago

A music store gives every 20th customer A $5 gift card. Every 50th customer gets A $10 gift card. Which customer will be the fir

slavikrds [6]

The 100th customer would be the first to receive both.
20×5=100
50×2=100

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3 years ago

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Forensic specialists can estimate the height of a deceased person from the lengths of the person's bones. These lengths are subs

Lera25 [3.4K]

Answer:

$130.2845\leq h\leq 137.7245$

Step-by-step explanation:

Given an inequality that relates the height h, in centimeters, of an adult female and the length f, in centimeters, of her femur by the equation

$|h - (2.47f + 54.10)| \leq 3.72$

If an adult female measures her femur as 32.25 centimeters, we can determine the possible range of her height by plugging f = 32.25cm into the modelled equation as shown:

$|h - (2.47(32.25) + 54.10)| \leq 3.72\\|h - (79.9045 + 54.10)| \leq 3.72\\|h - (134.0045)| \leq 3.72\\$

If the modulus function is positive then:

$h - 134.0045 \leq 3.72\\h \leq 3.71+134.0045\\h\leq 137.7245$

If the modulus function is negative then:

$-(h - 134.0045) \leq 3.72\\-h+134.0045 \leq 3.72\\-h\leq 3.72-134.0045\\-h\leq -130.2845\\$

multiply through by -1

$-(-h)\geq -(-130.2845)\\h\geq 130.2845\\130.2845\leq h$

combining the resulting inequalities, the estimate of the possible range of heights will be $130.2845\leq h\leq 137.7245$

8 0

3 years ago