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enyata [817]
3 years ago
14

HEEEEEEEEEEEEEEEEELP MEEEEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
7 0

Answer:

312.38

Step-by-step explanation:

first get the area of the circle which will be 490.625 then subtract the rectangle to get the round area with grass-290.625

then in that square there is a triangle covered with grass so get the area of the triangle-22.75 then add the area of the triangle to the rounded part with grass

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4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take
Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

A(t)=P(1+r)^t

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t.  Filling in:

33800=4400(1+.075)^t and

33800=4400(1.075)^t

Begin by dividing both sides by 4400 to get

7.681818182=1.075^t

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

ln(7.6181818182=ln(1.075)^t

The power rule of natural logs says we can move that exponent down in front, giving us:

ln(7.681818182)=t*ln(1.075)

Divide both sides by ln(1.075) to get

\frac{ln(7.61818182)}{ln(1.075)} =t

Do this division on your calculator to get

t = 28.2 years

6 0
3 years ago
Read 2 more answers
How do I solve -7 1/8 + 4 3/4
BabaBlast [244]

Answer:

Mixed fraction   -2 3/8

decimal form     -2.375

Improper fraction   -19/8

Step-by-step explanation:

Convert the mixed numbers to improper fractions

then find the least common denminator and then combine them

so the answer is  -19 / 8 or -2 3/8 as a mixed fraction

6 0
3 years ago
Read 2 more answers
The net of a three-dimensional figure is made of 2 octagons and 8 squares. What is the three-dimensional figure?
Lina20 [59]

Answer:

The three-dimensional figure is an octagonal prism

Step-by-step explanation:

<u><em>Verify each case</em></u>

<em>case a)</em> square prism

The net is made of 2 squares and 4 (rectangles or squares)

<em>case b)</em> square pyramid

The net is made of 1 square and 4 triangles

<em>case c)</em> octagonal prism

The net is made of 2 octagons and 8 (squares or rectangles)

<em>case d)</em> octagonal pyramid

The net is made of 1 octagon and 8 triangles

therefore

The three-dimensional figure is an octagonal prism

8 0
4 years ago
Read 2 more answers
20 POINTS) Zoe is doing a survey to find the time her classmates spend playing video games. She asks the following question:
Vadim26 [7]

Answer: zoe's question's data would vary because not everyone in her class could play video games for the exact same amount of time.

however this is not a statistical question because we do not know when the students are playing video game for example we wouldnt know if she wanted to know how much time a classmates spends playing video games each year, each month, each week, etc. so to make this a statistical question zoe would have to ask....  which student spends the most time a day on video games.

hope this helps ;D

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
How do you solve 2 and 3? Please simplify the answer also
quester [9]
1. 2/3
2. 19/24

Hope I helped!
5 0
3 years ago
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