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timofeeve [1]
3 years ago
8

Help me solve this please

Mathematics
1 answer:
igomit [66]3 years ago
6 0
The key word here is *square* in "square flower garden". 

So we need to find the area of the flower garden, and subtract it from the overall area of the yard. The remainder will be how much grass covers the yard.

Area of the Square flower garden:
 7.5 * 7.5 = 56.25

Area of the Entire yard:
25 * 18 = 450

450 - 56.25 = 393.75 square feet of grass
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Find the volume of the composite solid below. If needed,round to the nearest hundredth. Use 3.14
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Answer:

429.42 cm

Step-by-step explanation:

<u>Volume of a rectangle prism:</u>

V = whl

V = (5)(12)(7)

V = 420

<u>Volume of a cylinder:</u>

V = πr²h

V = (3.14)(1²)(3)

V = (3.14)(1)(3)

V = 9.42

<u>Combined:</u>

420 + 9.42

429.42

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3 years ago
Write the following number in scientific notation. 788,000
Andreyy89

Answer:

7.88 x 10^5 is 788,000 is scientific notation

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2 years ago
The explicit formula for a sequence is<br> an=−2+3/2(n−1)<br> What is the 21st term of the sequence?
Anni [7]

Step-by-step explanation:

From the given question it appears that (n-1) is in the numerator's place, if it is so, then let us solve it.

a_n =  - 2 +  \frac{3}{2}(n - 1)   \\ \\  \therefore \: a_{21} =  - 2 +  \frac{3}{2}  (21 - 1) \\  \\   \therefore \: a_{21} =  - 2 +  \frac{3}{2 }   \times \: 20\\  \\ \therefore \: a_{21} =  - 2 + 3 \times \: 10  \\  \\ \therefore \: a_{21} =  { -2  + 30}   \\  \\ \therefore \: a_{21} =  28   \\  \\  \huge \red{ \boxed{\therefore \: a_{21} =   28}  } \\  \\

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3 years ago
Which statement best describes the interquartile range of this set of weights?
Alex Ar [27]

Answer:

D

Step-by-step explanation:

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Sam made $600 dollars in 5 days of work and made $150 in tips. What was the average amount that he made each day?
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Answer:

The Answer is D 160

Step-by-step explanation:

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