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alukav5142 [94]

3 years ago

9

A helium ballon is tied to a sign 6 feet off the ground. Once untied, it will rise at a rate of 4 feet per second. Create an equ

ation that represents the height of the balloon as it floats up

1 answer:

Ahat [919]3 years ago

8 0

Answer:

x(the height)=6+4s(4 feet for every second)

Step-by-step explanation:

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When a can of soup is half full it weighs 8kg. when it is two fifths full it weighs 7 kg. what is the weight of the full can?

Sati [7]

14 kg because 2/5 equals 0.4 and 0.1 equals about 1 kg so I add 0.6 which equals 6 kg so i add 8 kg to 6 kg and get 14 kg

6 0

3 years ago

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I need help! anyone know this?

xz_007 [3.2K]

Yeah, x= 7/2 and y= -5/2
Please mark as brainliest and I hope this helps

5 0

3 years ago

Dalia deposits $1,200 in an account that earns 5% interest per year compounded continuously. How much will the account be worth

ANTONII [103]

$1,380.

5% of 1,200 is 60. After we years, you would get 180 in interest. Add that to the 1,200 and you get 1,380.

8 0

4 years ago

How does quadrupling the side lengths of a rectangle affect its area

EleoNora [17]

Well first you find the area of your basic rectangle with equation:
area (a) = length (L) * width (w)

So we got:
a = L * w

Now we find the area of a new rectangle with quadruple side lengths than our (a) rectangle and im going to call this area A:
A = 4L * 4w or A = 4 (L * w)

we want to see how the ratio of A to a or A/a so we can set both equations equal to 1 by dividing the areas to both sides of their respective equations:
1 = (L * w) / a and
1= 4(L * w) / A

since they both equal 1 then the equations have to equal each other:
(L * w) / a = [4 (L * w) / A

cross multiply
A *(L * w) = a *[4 (L * w)]

divide both sides by (L * w)
A = 4a

as you can see by quadrupling the sides by 4, this small rectangles area would also increase by a factor of four

5 0

3 years ago

Noa was walking in the forest and measured the circumference of two trees that he found. The first tree measured 37 5/8 inches a

rodikova [14]

Answer:

Step 4: 44 32/24 - 37 15/24= 8 17/24

<u>Here we can finally find out the mistake done by Noa. The result is 7 17/24 and not 8 17/24.</u>

Step-by-step explanation:

1. Let's review carefully all the steps taken by Noa to calculate the difference of the circumferences of the two trees.

Circumference Tree 1 = 37 5/8 inches around

Circumference Tree 2 = 45 1/3 inches around

Step 1: 45 1/3- 37 5/8

The measures are correct, no issues copying them.

Step 2: 45 8/24 - 37 15/24

Noa looked for common denominators

1/3 * 8/8 = 8 /24 is correct; 5/8 * 3/3 = 15/24 is also correct.

Step 3: 44 32/24 - 37 15/24

Noa looked for making the fraction part higher on the left side:

45 8/24 = 44 32/24 is correct because 24/24 = 1

Step 4: 44 32/24 - 37 15/24= 8 17/24

<u>Here we can finally find out the mistake done by Noa. The result is 7 17/24 and not 8 17/24.</u>

4 0

3 years ago

Read 2 more answers