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Nitella [24]
4 years ago
13

Misha’s group was asked to write an expression equivalent to 7y2z+3yz2-3 . When Mr. Chen checked their answers, he found only on

e to be correct. Who had the correct answer? Misha’s Group Student Equivalent Expression Misha Juan Joe Helena Misha Juan Joe Helena
Mathematics
1 answer:
damaskus [11]4 years ago
8 0

Answer:

hellena

Step-by-step explanation:

Rule is that you just have to match up the corrisponding numbers and exponents to make the right expression. Hope i'm right.

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Write an equation of the line shown in the graph in slope intercept form (y = mx + b). Show
Lena [83]

Answer:

y = 2x - 2

Step-by-step explanation:

Points on graph: (4,6) and (2, 2)

<u>Slope:</u>

m=(y2-y1)/(x2-x1)

m=(2-6)/(2-4)

m=(-4)/(-2)

m = 2

<u />

<u>Slope-intercept:</u>

y - y1 = m(x - x1)

y - 6 = 2(x - 4)

y - 6 = 2x - 8

y = 2x - 2

8 0
3 years ago
Solve the following system of equations<br><br> 3x - 2y =5<br><br> -2x - 3y = 14
stepladder [879]

Answer:

x = -1 and y = -4

Step-by-step explanation:

It is given that,

3x - 2y = 5     ----(1)

-2x - 3y = 14 ------(2)

<u>To find the solution of equations</u>

(1) * 2 ⇒

6x - 4y = 10  -----(3)

(2) * 3 ⇒

-6x - 9y =  42   ----(4)

eq(3) + eq(4) ⇒

6x - 4y = 10  -----(3)

<u>-6x - 9y =  42 </u>  ----(4)

 0   - 13y = 52

y = 52/(-13) = -4

Substitute the value of y in eq(1)

3x - 2y = 5     ----(1)

3x - (2 * -4) = 5

3x  +8 = 5

3x = 5 - 8 = -3

x = -3/3 = -1

Therefore x = -1 and y = -4

5 0
3 years ago
Read 2 more answers
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matrenka [14]
10×6 tens in unit form is written

10×6 tens= 60 tens= 600 units
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4 years ago
HELP DUE IN 30 MINS!
zepelin [54]

Answer:

<u>Use sine for this</u>

  • sin 72° = 15/x
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8 0
3 years ago
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Dilations are changes in size.true or false Plzzzzzzz help im doing a test
netineya [11]

Answer:

false it changes the length but not size

5 0
3 years ago
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