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andreyandreev [35.5K]
3 years ago
9

Gary is 3 years older than twice the age of His sister Elena which shows an equation for this situation

Mathematics
1 answer:
Lynna [10]3 years ago
8 0

Answer: G = 2E + 3

<u>Step-by-step explanation:</u>

Let E represent Elena's age.

Then Gary(G) is two times Elena(E) plus 3 --> G = 2E + 3

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A poster has a width of (w+2) feet and an area of (2w+4) square feet. Your answers must include units
Solnce55 [7]

Answer:

Length=2

Step-by-step explanation:

(2w+4)/(w+2)=2

8 0
3 years ago
On a certain airline, the chance the early flight from Atlanta to Chicago is full is 0.8. The chance the late flight is full is
denis23 [38]

Answer:

No

Step-by-step explanation:

A- full early flight atlanta to chicago

P(a)=0,8

B- full late night flightt

P(b)=0,7

A&b- both are full

P(a&b) probability that both flights are full

Suppose that they are independet, then we have:

P(a&b)=p(a)*p(b)=0,8*0,7=0,56.

So if they are independet then p(a&b)=0,56, and that is not true.

7 0
3 years ago
What's the slope (15,9) (-14,-9
Butoxors [25]
The formula for slope is
m = (y - y1)/(x - x1)
= (-14 - 15)/(-9 - 9)
= -29/-18
= 29/18 or 1.611
4 0
3 years ago
PLEASE HELP ME IVE POSTED THIS 765678 AND STILL NO RESPONSE
Debora [2.8K]

Problem 1

<h3>Answer:  6.7</h3>

----------------

Work Shown:

The two points are (x_1,y_1) = (1,-2)  and (x_2,y_2) = (4,4)

Apply the distance formula to get the following

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(1-4)^2 + (-2-4)^2}\\\\d = \sqrt{(-3)^2 + (-6)^2}\\\\d = \sqrt{9 + 36}\\\\d = \sqrt{45}\\\\d \approx 6.7082039\\\\d \approx 6.7\\\\

The distance between the two endpoints is roughly 6.7 units. This is the same as saying the segment is roughly 6.7 units long.

======================================================

Problem 2

<h3>Answer:  3.6</h3>

----------------

Work Shown:

We'll use the distance formula here as well.

This time we have the two points (x_1,y_1) = (3,1) and (x_2,y_2) = (5,-2)

The distance between them is...

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(3-5)^2 + (1-(-2))^2}\\\\d = \sqrt{(3-5)^2 + (1+2)^2}\\\\d = \sqrt{(-2)^2 + (3)^2}\\\\d = \sqrt{4 + 9}\\\\d = \sqrt{13}\\\\d \approx 3.6055513\\\\d \approx 3.6\\\\

This distance is approximate.

5 0
3 years ago
(2-7m^6)^2<br><br><br> i dont know this
Pavel [41]
(2-7m^6)^2

rearrange terms:

(2-7m^6)^2

(-7m^6 + 2)^2

expand the squares:

(-7m^6 + 2)^2

(-7m^6 + 2)(-7m^6 + 2)

distribute:

(-7m^6 + 2)(-7m^6 + 2)

-7(-7m^6 + 2) • m^6 + 2(-7m^6 + 2)

distribute:

-7(-7m^6 + 2) • m^6 + 2(-7m^6 + 2)

49m^12 - 14m^6 + 2(-7^6 +2)

distribute:

49m^12 - 14m^6 + 2(-7^6 +2)

49m^12 - 14m^6 - 14m^6 + 4

combine like terms:

49m^12 - 14m^6 - 14m^6 + 4

49m^12 - 28m^6 + 4

solution:

49m^12 - 28m^6 + 4



please mark brainliest and hope it helps
7 0
3 years ago
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