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Oliga [24]
3 years ago
8

A house painter was told by his boss to purchase enough paint to cover 75 square feet to finish a project. The house painter hap

pens to know that the surface is square. How long is each of side of the surface? (Recall that the area of a square is calculated by 2003-04-02-00-00_files/i0160000.jpg, where l is the length of one side.)
A.
2003-04-02-00-00_files/i0160001.jpg feet
B.
2003-04-02-00-00_files/i0160002.jpg feet
C.
2003-04-02-00-00_files/i0160003.jpg feet
D.
2003-04-02-00-00_files/i0160004.jpg feet
Mathematics
2 answers:
Rama09 [41]3 years ago
7 0
It must be noted that the area of the square is calculated through the equation,
                                    A = s²
where A is area and s is the measure of one side of the square. 
To determine the measure of one side of the square, we simply have to get the square root of the area,
                                               s = √A
Substituting the known value,
                                                s = √75 ft² = 5√3 ft ≈ 8.66 cm
Thus, the answer to this question is approximately 8.66 cm. 
irakobra [83]3 years ago
6 0

Answer: B.

Step-by-step explanation:

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George is 1.94 meters tall and wants to find the height of a tree in his yard. He started at the base of the tree and walked 10.
Free_Kalibri [48]
Draw a diagram to illustrate problem as shown below.

Let h = the height of the tree.

Because ΔABC ~ ΔADE, therefore
DE/BC = AD/AB

That is,
h/1.94 = (5.1 + 10.2)/5.1 = 3
h = 1.94*3 = 5.82 m

Answer: 5.82 m

7 0
3 years ago
A bank made a farmer loan of $1,000 at 14% for 3 years compounded annually. Find the future value and the compound interest paid
Anna11 [10]

Answer:

Principal =  $1,000

Rate of interest = 14% = 0.14

Time = 3 years

A= P(1+r)^t

A = Amount or future value

P = Principal

r = rate of interest in decimals

t = time

Substitute the values in the formula

A= 1000(1+0.14)^3

A=1481.544

Future Value is $1481.544

Compound interest = Amount - Principal = $1481.544- $1000 = $481.544

Formula of simple interest : SI =\frac{P \times R \times T}{100}

Substitute the values :

SI =\frac{1000 \times 14 \times 3}{100}

SI =420

So, Simple interest = $420

Compound interest - Simple interest

= $481.544- $420

= $61.544

So, Compound Interest is $61.544 more than simple interest.

8 0
3 years ago
#10) Mrs. Sommer states that angle I is 65 degrees. Is she correct? why or why not​
Minchanka [31]

Answer: Mrs. Somner is correct.

Step-by-step explanation: In a triangle, the angles add up to 180 degrees. Since we know that Triangle ABC is equal to Triangle RST, we can assume that their angle values are equal as well. Angle A is 41 degrees, and Angle B is 74 degrees. This adds up to 115 degrees. If we subtract 115 from 180, we get 65. Therefore, Mrs. Somner is correct.

6 0
3 years ago
Is this right. Please help me
My name is Ann [436]

Answer:

ye that is the correct answer

3 0
3 years ago
Find the rule. Solve for n. Х 12 15 20 Y 7 10 15 17 n Rule:​
Novosadov [1.4K]

Answer:

n =22

Step-by-step explanation:

12-5=7

15-5=10

20-5=15

n-5=17

collect like terms

n=17+5

n=22

4 0
2 years ago
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