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Lyrx [107]
2 years ago
6

The length, in centimeters, of a diagonal of a rectangle is represented by the expression below.

Mathematics
2 answers:
kap26 [50]2 years ago
8 0
(C)18, this question is very simple. 11x11=121
14x14=196
Add the two together to get 317 and find the square root. The square root of 317 is 17.8044938148 which is closest to 18 pretty much
TiliK225 [7]2 years ago
4 0

Answer:

(C) 18 centimeters

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Help??
Diano4ka-milaya [45]
The tree is 52.8 feet, since the hypotenuse is only part of the tree, you have to add 12, since then it would equal the total height of the tree.

a^2+b^2=c^2
12^2+ 39^2=c^2
144+1521= 1665
√1665
= 40.8

40.8 + 12
= 52.8 feet
7 0
3 years ago
Read 2 more answers
A wire 7 4/5 feet long is to be cut in three equal parts. How long should each Part be?
musickatia [10]

Answer:

See attachment

Step-by-step explanation:

7 0
2 years ago
Three roots of a fifth degree polynomial function f(x) are -2, 2, and 4 + i. Which statement describes the number and nature of
Juli2301 [7.4K]

We know that imaginary roots always come in pairs, so we already know 4 solutions

-2, 2, 4 + i and a pair of 4 + i

Since imaginary roots always come in pairs we wont have more than 2 imaginary roots, since its a fifth degree root and we can only have 5 roots

So for sure, we will have 3 real roots and 2 imaginary roots

Last option, f(x) has three real roots and two imaginary roots

3 0
3 years ago
Solve the simultaneous equations<br> x + 6y = 20<br> x + 3y = 14<br> x =<br> Y=
xxTIMURxx [149]

Answer:

x = 8, y = 2

Step-by-step explanation:

Multiply the second equation by -2:

x + 6y = 20

-2x - 6y = -28

Add the equations and simplify:

-x = -8

x = 8

Plug x = 8 back into the first equation and solve for y:

8 + 6y = 20

6y = 12

y = 2

6 0
2 years ago
Read 2 more answers
Consider the figure.<br> What is JL?
lisov135 [29]

The answer for the above mentioned problem is JL = 12.5

Step by step explanation:

Given:

JM = 8

KM = 6

To Find:

JL = ?

Formula to be used:

KM^2 = JM x ML

In order to find " JL" we must first find "ML",

KM^2 = JM x ML

         6^2 = 8 x ML

         36 = 8 x ML

         36/8 = ML

         ML = 4.5

Now JL = 4.5+8

             = 12.5

Thus the value of JL = 12.5

3 0
3 years ago
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