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bazaltina [42]
3 years ago
15

True False Problem Enter T or F depending on whether the statement is true or false. (You must enter T or FTrue and False will n

ot work.)
1. If the solution to a system of linear equations is given by (4 - 2z, -3 +z, z), then (4, -3, 0) is a solution to the system
2. If the number of rows of an augmented matrix in reduced row-echelon form is greater than the number of columns (to the left of the vertical bar), then the system has infinitely many solutions
3. If a matrix is in reduced-row echelon form, then the first nonzero entry in each row is a 1 and has O's below it.
Mathematics
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

t

Step-by-step explanation:

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Which angles are pairs of corresponding angles? Check all that apply
AleksAgata [21]

Answer:

B and D people. Your welcome.

Step-by-step explanation:

6 0
3 years ago
3. Michel invests $850 at 7%/a simple interest. How long will he
Kipish [7]

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$200\\ P=\textit{original amount deposited}\dotfill & \$850\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years \end{cases} \\\\\\ 200=850(0.07)t\implies \cfrac{200}{850(0.07)}=t\implies \stackrel{\textit{about 3 years, 4 months and 10 days}}{3.36\approx t}

5 0
2 years ago
Two times the sum of a number and 22 is atleast -28<br><br> please hurry
Marta_Voda [28]

Answer:

-6

Step-by-step explanation:

Mark me as brainliest

6 0
3 years ago
Solve the following for y <br><br> -11x+23y=-2
shusha [124]

Step-by-step explanation:

that is the answer up there couldn't write it down

5 0
2 years ago
Parallel lines e and f are cut by transversal b. What is the value of x? A.130 B.16 C.164 D.50
Gnesinka [82]

Answer:

A) 130

Step-by-step explanation:

(2x + 18) + y = 180 <--- Is True

(4x - 14) + y = 180 <--- Is True

(2x + 18) + y = y + (4x - 14)  

(2x + 18) = (4x - 14)

2x + 18 = 4x - 14

-2x + 18 = -14

   - 18    - 18

-2x = -32  

x = 16

2(16) + 18 = 50

4(16) - 14 = 50

180 - 50 = 130

4 0
4 years ago
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