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polet [3.4K]
3 years ago
14

Explain how u can use estimation to check that ur answer is reasonable

Mathematics
1 answer:
Pie3 years ago
6 0
Do the opposite of the problem
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The length of the hypotenuse of 30 -60 -90 triangle is 4 find the longer leg
11Alexandr11 [23.1K]
The longer leg is the leg adjacent to the larger angle

so 60 

length of longer leg = 4 sin60 = 2sqrt(3) 

8 0
3 years ago
Read 2 more answers
Linda and Rob open an online savings account that has a 2.89% annual interest rate, compounded
sp2606 [1]

Answer:

FV= $34,222.33

Step-by-step explanation:

<u>First, we need to calculate the weekly interest rate:</u>

Weekly interest rate= 0.0289/52= 0.00056

<u>To calculate the future value (FV), we need to use the following formula:</u>

FV= {A*[(1+i)^n-1]}/i

A= weekly deposit

n= 15*52= 780

A= $35

FV= {35*[(1.00056^780) - 1]} / 0.00056

FV= $34,222.33

4 0
3 years ago
What is the surface area of a circle that has a diameter of 14 inches
Anna007 [38]
The area of any circle is        (pi) · (radius)² .

The radius is 1/2 of the diameter.

For your circle, the radius is 1/2 of 14 inches  =  7 inches,
and the area is

                            (pi) · (7 inches)²

                         = (pi) · (49 square inches)

                         =      153.9 square inches  (rounded)
8 0
2 years ago
Read 2 more answers
Anyone know how to do this?
IrinaVladis [17]
H(x) = x - 5

However, it had a domain of all real numbers such that x does not equal 3, since that would cause you to divide by 0. 
7 0
2 years ago
Read 2 more answers
Round your answer to the nearest hundredth.
taurus [48]

Answer:

in \: right \: angle \: triangl \: a \: b \: c \\  tan35 =  \frac{bc}{ac }  =  \frac{bc}{2}  \\ bc = 2 \times 0.7002 \\ bc = 1.4004

8 0
2 years ago
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