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Leno4ka [110]
3 years ago
12

Solve and show all work, simplify completely: 7/10 x 2/3

Mathematics
2 answers:
Maurinko [17]3 years ago
6 0
7/15 or 0.46666666667


ikadub [295]3 years ago
5 0

7/15 or o.46 that is the answer to this question


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Please help me plsssssss! asappp. I'll mark brainlest and give points ​
Nookie1986 [14]

Answer:

Step-by-step explanation:

1)a) Abscissa of O   0

 Abscissa of A  4

Abscissa of B    -3     {opposite of 3}

Abscissa of C    3      {3 is the only positive integer like A}

Abscissa of D    -4.5

Abscissa of E   -6

Abscissa of F   -1           {Midpoint of AE = (6+4)/2 = 10/2 = 5th number from -6 or 4}

b) OB = 3 units

DA = 8.5    {4.5 +4 = 8.5}

7 0
3 years ago
Write the augmented matrix for the given system. x + 3y + 5z = -3 -5y + 3z = -8 -8z = -6
Phantasy [73]

\begin{pmatrix} 1  & 3 &  5 & | &  -3& \\ 0 & 5 & 3 & | &  -8 \\  0 & 0 & -8 & | & -6 \end{pmatrix}

5 0
3 years ago
Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x – 5 by using the steps below.
CaHeK987 [17]

Answer:Hope This Helps ☺️

Step-by-step explanation:

She is not correct because she did not substitute the same number in both expressions in Step 1

Step-by-step explanation:

CASE 1: substitute 1 for x to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (1) - 5)+ 2(1-3) = - (-1) + 2(-2) = 1 - 4 = -3

R.H.S

-2x - 5

-2(1) - 5 = -2-5 = -7

Hence for x= 1

-(4x-5)+2(x-3) ≠ -2x -5

Because -3 ≠ -7

CASE 2: substitute -1 for x to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (-1) - 5)+ 2(-1-3) = - (-9) + 2(-4) = 9 - 8 = 1

R.H.S

-2x - 5

-2(-1) - 5 = 2-5 = -3

Hence for x= -1

-(4x-5)+2(x-3) ≠ -2x -5

Because 1 ≠ -3

Answer:

She is not correct because she did not substitute the same number in both expressions in Step 1

3 0
3 years ago
Read 2 more answers
A plumber charges $75 to visit your house plus $50 per hour in labor costs to make any
Illusion [34]

Answer:

75+50h=A

Step-by-step explanation:

75 bucks plus 50 per hour equals the total cost

6 0
3 years ago
1. Justin jogs 3 2/5miles every morning. He
monitta

Answer:

Justin jogs 8 miles every day.

Step-by-step explanation:

3 2/5 = 3 4/10

3 4/10 + 4 6/10 = 8

3 0
3 years ago
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