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Nutka1998 [239]
3 years ago
5

PLZ ANSWER 6 AND 7. SHOW YOUR WORK TOO!!

Mathematics
2 answers:
anygoal [31]3 years ago
8 0

6) subtract 16 on both sides

then it should be x/4>18

then you would times 18 by 4 and get

c as the answer



7) the answer is d.

because 52-12 is 40 and 52/4 is 13

Rus_ich [418]3 years ago
3 0
6. x/4 + 16 > 34
x/4 > 34 - 16
x/4 > 18
x > 18×4
x > 72
So the answer is C. x > 72

7. x -12 = 40
x=40+12
x=52

Now we try them all:
A. x/2 = 14
x=14×2
x=28
This isn't the answer!
B. x+12=40
x=40-12
x= 28
This isn't the answer either!
C. 12-x=40
-x=40-12
-x= 28 /×(-1)
x=-28
This isn't the answer!
D. x/4 = 13
x=13×4
x=52
SO THE ANSWER IS D.
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Answer:

45 km

Step-by-step explanation:

Let's review the scale factor of this problem.

1 cm = 10 km

This means that for every 1 cm of distance on the map, 10 km is represented in the real world. Because of this, we know that dividing the actual distance by 10 will give us the distance on the map.

Ex. 40 km in real world = 4 cm on map

So, we will use d to represent the actual distance.

d=distance in real world

Then, we will divide d by 10 and set it equal to 4.5, because that's the distance on the map.

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Now to solve this equation, we just have to multiply both sides by 10.

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This is your answer.

4 0
3 years ago
A computer chip has dimensions of 8mm x 8mm. the scale drawing shows 4cm by 4cm. the answer is 1cm represents 2mm but I don't kn
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Change\ all\ dimensions\ to\ the\ same\ unit. \\ \\ \\ \\ 4cm==\textgreater\ 400\ mm Work\ out\ the\ Scale\ factor, \\ \\ \\ \\ Scale\ factor= { \frac{Scaled\ dimension\ (same\ side)}{Actual\ dimension\ (same\ side)} } \\ \\ = { \frac{400}{8} } \\ \\ = 50
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krek1111 [17]

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Step-by-step explanation:

8 0
2 years ago
!
Darina [25.2K]

The graph of the equations was plotted using geogebra graphing and attached.

Let x represent the hours weightlifting and y represent the hours doing cardio exercises.

Since he spend a maximum of 20 hours, hence:

x + y ≤ 20   (1)

Also, he spends at least 8 of those hours weightlifting, hence:

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He wants to spend no more than 15 hours doing cardio exercises, this is:

y ≤ 15     (3)

The graph of the equations was plotted using geogebra graphing and attached.

Find out more at: brainly.com/question/17178834

3 0
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