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Feliz [49]
3 years ago
7

Given x= 5+ ✓16name all possible values.a.) -11b.) 1c.) 9d.) 21

Mathematics
1 answer:
cestrela7 [59]3 years ago
8 0
The only correct answer is C.) 9

✓16 = 4
5+4= 9
x = 9
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50-10x=20 what is the value of x in this problem
Andrew [12]
So what I did was I wrote down the problem 50 - 10x = 20.

The first step I did was take 50 and subtract it from both sides: 50 - 10x = 20
                                                                                                   -50            -50
After that i cross out the so 50's and take 20 and subtract it to 50 which gave me -30. So when you write this down you rewrite it as: -10x = -30

Last step: take the -10 and divide it by both sides the cross out the two -10's cause it's going to be written as -30/-10 which would give you x = 3. So there is your answer, hope this helps. :)

~Shadow


7 0
3 years ago
2) If Silas added 5 years to his age he would be 39. How old is Silas now? Write as an equation and solve.
Fofino [41]
Here's the equation:
5 + x=39
-5        -5

Here's the answer: x=34
6 0
2 years ago
Read 2 more answers
Patrick is constructing the circumscribed circle for △RST. Which construction could be his first step?
Gnom [1K]
Construct the perpendicular bisector of ST
7 0
3 years ago
Read 2 more answers
Select the correct answer.
gizmo_the_mogwai [7]

Answer:

Factors are (x-1), (x+1), and (x+2).

Step-by-step explanation:

g(x)=x^{3}+2x^{2} -x-2\\g(x)=(x - 1) (x + 1) (x + 2)

7 0
2 years ago
what is the value of x in the diagram below? if necessary round your answer to the nearest tenth of a until
VladimirAG [237]

Answer:

C

Step-by-step explanation:

Calculate AC using Pythagoras' identity in ΔABC

AC² = 20² - 12² = 400 - 144 = 256, hence

AC = \sqrt{256} = 16

Now find AD² from ΔACD and ΔABD

ΔACD → AD² = 16² - (20 - x)² = 256 - 400 + 40x - x²

ΔABD → AD² = 12² - x² = 144 - x²

Equate both equations for AD², hence

256 - 400 + 40x - x² = 144 - x²

-144 + 40x - x² = 144 - x² ( add x² to both sides )

- 144 + 40x = 144 ( add 144 to both sides )

40x = 288 ( divide both sides by 40 )

x = 7.2 → C



6 0
2 years ago
Read 2 more answers
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