Maria bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are only 22 boxes left. How many did she start out with

Answers

Answer 1
Answer: so you do 22+7÷2
22+7=29
29÷2=14.5
So she has 14.5 boxes left after the fire.
Hope I helped! :-)
Answer 2
Answer: The answer is 44 with my big brain in motion

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Write this polynomial in descending form 5x3 + 2x + 7x5

Answers

7x^5 + 5x^3 + 2x : answer to the question

The time in seconds between seeing lightning and hearing thunder is about five times the storm's distance in miles. Write a function to represent the storm's distance f(s) given the time s. How far away is a storm if this time is 15 seconds?

Answers

f(s)=5s
f(s)=5(15)
f(s)=75
At 15 seconds, the storm would be approximately 75 miles away.

If the population is 22400000 in 2014 and its expected to increase by 272% find the expected population in 2050

Answers

well 272% of 22,400,000 is 60,928,000 hope this helps

2x-8y=-24
6x+4y=68
Using elimination method

Answers

6(2x-8y=-24)
-2 (6x+4y=68)
12x-48y=-144
-12x-8y=-136
-56y=-280

-280÷-56=5
y=5

2x-8 (5)=-24
2x-40=-24
+40. +40
2x=16
16÷2=8
×=8


y=5
x=8
hope this helps, if needed a picture for better understanding,please comment.

Through: (3,5), slope = 5/3

Answers

the formula is : y = mx + b so m is the slope and b is the y-intercept and now you have : 5 = 5/3(3) + b so you need b so you can say : 
5 = 5/3(3) + b ⇒ 5 = 5 + b ⇒ 5 - 5 = b so b =0 so in this question we dont have any y-intercept so the answer is : y = 5/3x 
but an other formula is : ( y - 5 ) = 5/3 ( x - 3 ) 
but the standard form is gonna be : y - 5/3x = 0  or 3y - 5x = 0 :))
i hope this is helpful 
have a nice day 

Here's a pic of the question

Answers

Subtract 5x^3-7x+4 from 9x^3+2x^2-5x+5