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klasskru [66]
3 years ago
10

Solve this inequality: 8z + 3 - 2z < 51

Mathematics
1 answer:
slava [35]3 years ago
7 0

Answer:

9x+4<m

Step-by-step explanation:

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Please help me solve for x in the following magic square...<br>​
o-na [289]

Answer:

x = 1/2

Step-by-step explanation:

The sum of numbers in all rows, columns and diagonals have to be the same.

Notice the diagonals do not have an x so let's sum those numbers to see what the sum for all must be.

-2+(1/2) +3 = (-4+1+6)/2 = 3/2

-5+(1/2)+6 = (-10+1+12)/2 = 3/2

Now we can pick the first row and sum the numbers up knowing that the result should be 3/2, will find x

-2+x-3+6 = 3/2, combine like terms

         x+1 = 3/2 , subtract 1 from both sides

            x = (3/2)-1, find common denominator and subtract

            x = (3-2)/2, combine like terms

            x = 1/2

Check or work:

Rows from top to down

-2 +(1/2) -3 +6 = (-4+1-6+12)/2 = 3/2✅

17*(1/2) +(1/2) +(1/2)-8 = (17+1+1-16)/2 = 3/2✅

-5+(9/2) -2(1/2) +3 = (-10+9-2+6)/2 = 3/2✅

Columns from left to right

-2+17(1/2)-5 = (-4+17-10)/2 =3/2✅

(1/2)-3+(1/2)+(9/2)-2(1/2) = (1-6+1+9-2)/2 = 3/2✅

6+(1/2)-8+3 = (12+1-16+6)/2 = 3/2✅

Diagonals

-2+(1/2) +3 = (-4+1+6)/2 = 3/2✅

-5+(1/2)+6 = (-10+1+12)/2 = 3/2✅

3 0
2 years ago
Which set of numbers does NOT contain 75?
andrey2020 [161]

Answer:

The one that doesn't contain 75

Step-by-step explanation:

uhh don't know

8 0
3 years ago
Read 2 more answers
These rectangles are similar. find the measurement of the missing side.
KengaRu [80]
4/3.2 = 7/x

4x = 22.4

/4

x = 5.6
8 0
2 years ago
Create a proportional ratio<br> to the given ratio.<br> 10<br> 5
stich3 [128]

Answer:

10:5 can be simplified both numbers are divisible by 5

10/5=2 5/5=1

2:1

Step-by-step explanation:

8 0
2 years ago
Determine if the following lines are parallel (never intersect), perpendicular (intersect at a 90 degree angle), intersecting (i
mihalych1998 [28]

Answer:


These lines are perpendicular.

Step-by-step explanation:

Put both equations in the slope intercept form of a line.

y = -6x - 8  This is already in the slope intercept form for a line

-x + 6y = 12  Add x to both sides of the equation

6y = x + 12  Divide through the whole equation by 6

y = 1/6x +2  

Now we compare the two slopes of -6 and 1/6.  They are negative reciprocals of each other.  That means that the line are perpendicular.

7 0
2 years ago
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