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sasho [114]
3 years ago
13

Solve for x: one over five (5x + 12) = 18 (5 points)

Mathematics
2 answers:
irina1246 [14]3 years ago
4 0

Answer:

hello

Step-by-step explanation:

atroni [7]3 years ago
3 0

Step-by-step explanation:

(1x+12/5)=18

X=18-12/5

X=15..6

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Help I don’t get this
Gekata [30.6K]

Answer:

2.)4n>(n/2)^2

3. (The problem isn't clear)

4.)n^2+2n-3=129

5.)n-5=171

Step-by-step explanation:

2.)

4n(four times the number) >(larger than) (n/2)^2 (half the number squared)

4.)

Sum=addition

n^2 (number squared) +2n (twice the number)-3=129

5.)

N(unknown number of pages) -5(amount of pages already read)= 171(the number of pages it took her to finish)

8 0
3 years ago
Write a polynomial of least degree with rational coefficients and with the root -19-5 square root 2.
iogann1982 [59]

Answer:

y = x² + 38x + 311

Step-by-step explanation:

If a polynomial has rational coefficients and irrational roots, then the roots must be conjugate pairs.

y = (x − (-19-5√2)) (x − (-19+5√2))

y = (x + 19+5√2) (x + 19−5√2)

Use FOIL to distribute:

y = x² + x (19−5√2) + x (19+5√2) + (19+5√2)(19−5√2)

y = x² + 19x − 5√2 x + 19x + 5√2 x + (19+5√2)(19−5√2)

y = x² + 38x + (19+5√2)(19−5√2)

Use FOIL to distribute the last term:

y = x² + 38x + 19² − 95√2 + 95√2 − 50

y = x² + 38x + 361 − 50

y = x² + 38x + 311

5 0
3 years ago
Whats the x value of the solution to this system of equations<br> x=2y-4<br> 7x+5y=-66
Likurg_2 [28]

Answer:

x=2y−47x

Step 1: Add 47x to both sides.

x+47x=−47x+2y+47x

48x=2y

Step 2: Divide both sides by 48.

48x

48

=

2y

48

x=

1

24

y

Answer:

x=

1

24

y

Step-by-step explanation:

5 0
3 years ago
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NNADVOKAT [17]
180-106 is your answer
7 0
4 years ago
What number, or factor, can both 14 and 35 be divided by?
Olenka [21]
The GCF of 14 and 35 is 7.
8 0
3 years ago
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