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SashulF [63]
3 years ago
13

12.489 12.489 rounded to the nearest tenths place

Mathematics
1 answer:
____ [38]3 years ago
8 0

Answer:

12.5

Step-by-step explanation:

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In the figure, the perimeter of hexagon ABCDEF is approximately
Nikitich [7]
First solve the length of side BC, CD, EF and FA   Since BC = CD = sqrt( 10^2 + 10^2) BC = CD = 14.1421  
FA = EF = sqrt(10^2 + 20^2) = 23.3607  
So the perimeter = 10 + 10 + 14.1421 + 14.1421 + 23.3607 = 93

The area is made up be triangle FAE, rectangle ABDE and triangle BCD
A = 0.5(20)(20) + (10)(20) + 0.5(20)(10)
<span>A = 500 sq units</span>
7 0
3 years ago
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Need help using synthetic division! ​
viktelen [127]

Answer:

3x^{2} -3x+8-\frac{9}{x+1}

Step-by-step explanation:

Since we're dividing the polynomial by (x+1), we'll be using -1 to start the division.

Before setting the division up, let's list the coefficients of x from descending powers and the constant.

The coefficient of x^{3} is 3

Since we don't see an x^{2}, the coefficient will be 0.

The coefficient of x is 5.

Lastly, the constant, which is the term without the x is -1.

Refer to the attached picture before continuing.

After referring to the picture, we now have the coefficients for the quotient.

The coefficient of x^{2} is 3.

The coefficient of x is -3.

The constant is 8.

Lastly, since the last number is not zero, it's the remainder just like regular division. This can be tricky to remember, but -9 is not the actual remainder.

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Now putting all the pieces together, we get:

3x^{2} -3x+8-\frac{9}{x+1}

3 0
2 years ago
jamal is going to borrow 14000 from his credit union to buy a used car. the APR is 7.0% and the length of the loan is 4 years. h
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The formula to use here would be:

A = P(1+r)^t  where P is the principal (starting) amount, r is the rate of interest, and t is time. Knowing this, plug in your values:

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$18,5351.14414 - 14,000 = 4,351.14414 < this is the amount of interest. Round your answer. 

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8 0
3 years ago
Help me plz I need it fast
e-lub [12.9K]
1524096 CM is the answer
8 0
3 years ago
Convert 5 yards 2 feet to inches. 5 yd 2 ft = ______ in. *
Zinaida [17]

Answer:

204 inches

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5 yds 2 ft = 204 in

8 0
2 years ago
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