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RUDIKE [14]
2 years ago
10

Please help me !!! :))))

Mathematics
2 answers:
jonny [76]2 years ago
7 0

Answer:

12.4 in

Step-by-step explanation:

I whish i can help :)

yarga [219]2 years ago
5 0

Answer:

13.6

Step-by-step explanation:

We can use the pythagorean therom since we know the 2 side leanths and solve for the longest side of the triangle which is the rectangle cut diagonally

11^2+8^2=c^2

121+64=c^2

185=c^2

√185= √c^2

13.6=c

Hope that  helps !

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If x2 + y2 = 14 and xy = 5, find the value of (1/2 x + 1/2 y)2.
aleksley [76]

Answer:

(½x+½y)²=6

Step-by-step explanation:

x^2 + y^2 = 14, xy=5

(A+B)^2=A^2 +2AB+B^2... (*)

(1/2x+1/2y)^2 =(*)

(1/2x)^2 +2(1/2x)(1/2y)+(1/2y)^2 =

1/4x^2 +1/2xy+1/4y^2=

1/4(x^2 +y^2) +1/2(xy)=

1/4*14+1/2*5=

14/4+5/2=

14/4+10/4=

24/4=6

let me know if I'm wrong.

5 0
2 years ago
Read 2 more answers
Choose which line represents the line of best fit.
Lynna [10]

A line which represents the line of best fit is: C. Line B.

<h3>What is a line of best fit?</h3>

A line of best fit is sometimes referred to as a trend line and it can be defined as a statistical or analytical tool that is commonly used in conjunction with a scatter plot, in order to determine whether or not there is any form of association and correlation between a data set.

<h3>The characteristics of a line of best fit.</h3>

In Mathematics, there are different characteristics that are used for determining the line of best fit on a scatter plot and these include the following:

  • The line should be very close to the data points as much as possible.
  • The number of data points that are above the line should be equal to the number of data points that are below the line.

By critically observing the scatter plot using the aforementioned characteristics, we can reasonably and logically deduce that line B represents the line of best fit because the data points are in a linear pattern.

Read more on line of best fit here: brainly.com/question/12284501

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4 0
1 year ago
The purchase price of an iPad is $625.00. There is a 15% discount and the tax rate is
vagabundo [1.1K]

Answer:

$573.75

Step-by-step explanation:

625.00x15%=93.75

625.00-93.75=531.25

531.25x8%=42.50

531.25+42.50=573.75

5 0
3 years ago
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Uhm what is the mean of 0,3,6,7,9??
jarptica [38.1K]

Answer:

5

Step-by-step explanation:

0+3+6+7+9=25

25/5=5

6 0
2 years ago
Read 2 more answers
10^(-10log3) How to solve this???
Olenka [21]
a^{log_ab}=b\\and\\log_ab^c=c\cdot log_ab\\\\\\10^{-10log3}=10^{log3^{-10}}=3^{-10}\\\\\\3^{-10}=\frac{1}{3^{10}}=\frac{1}{59\ 049}
4 0
2 years ago
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