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Tema [17]
3 years ago
7

What is z in 3z - 18 = - 6

Mathematics
2 answers:
Nata [24]3 years ago
8 0

Answer:

4

Step-by-step explanation:

vaieri [72.5K]3 years ago
6 0

Answer:

4

Step-by-step explanation:

3z=-6+18

3z=12

z=12/3

z=4

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Kiara drew a scale drawing of an apartment. The scale of the drawing was 11 millimeters : 4 meters. The actual length of the din
melamori03 [73]

Answer:

22 millimeters

Step-by-step explanation:

Given that:

Scale of drawing = 11 millimeters : 4 meters

This means 4 meters of actual is represented as 11 millimeters on the drawing

If actual length of dining room = 8 meters ;

Lenght of dinning room in drawing will be x :

11 millimeters = 4 meters

X millimeters = 8 meters

Cross multiply :

4*x = 11 * 8

4x = 88

x = 88/4

x = 22

Hence, the length of the drawing will be 22 millimeters

7 0
3 years ago
Prove that the value of the expression: (125^2+25^2)(5^2-1) is divisible by 39
slavikrds [6]

Answer:

10000*39

Step-by-step explanation:

Simplify the equation fully.

(125 + 25)(5 - 1)

(15625 + 625)(25 - 1)

(16250)(24)

390000

Divide the answer by 39

390000/39 = 10000

7 0
3 years ago
Read 2 more answers
Compare the values of the underlined digits?
amm1812
The value of 7 in 26,475 is ten times greater than the value of 7 in 503,497.

This is because the first 7 is in the tens place and the second seven is in the ones place. Everytime you move to the next "place" you are basically making the number ten times smaller or greater.
6 0
3 years ago
Lin has a scale model train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What
mixas84 [53]

Answer:

4.896 meters

Step-by-step explanation:

"scale model" means that the original is shrunk or grown by some factor.  So say we have a triangle with side lengths 5, 4 and 3.  We could "scale" it by multiplying or dividing all three numbers by another number.  So we could make it twice as big so the sides will be 10, 8 and 6 or cut it in half s the sides are 5/2, 2 and 3/2.  We could also make it 48 times larger by multiplying everything by 48, so the sides would be 240, 192, 144.

That's what happened here.  The original was shrunk by a scale factor of 48.  or you could think of it as making the scale model grow by 48 times.  So the height times 48 is the height of the real thing.  You are also going to want to convert from millimeters to meters.

so 102*48= 4896 millimeters.  Now we convert that into meters and we get 4.896 meters.  let me know if you need any further explanation.

8 0
3 years ago
Pls help ;/
Sidana [21]

Answer:

-3

Step-by-step explanation:

-3 because

9-12

Good luck! follow me for more help!

7 0
3 years ago
Read 2 more answers
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