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Vinvika [58]
2 years ago
14

A steel beam can be cut to different lengths for a project.

Mathematics
1 answer:
tamaranim1 [39]2 years ago
8 0

Answer:None

Step-by-step explanation:

You can write a statement of proportionality without any additional information:

weight = k × length for some constant k

If you need to know the specific weight of a specific length, then you need to know the constant of proportionality (the value of k).

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-2(5+6g) equivale expression
inysia [295]

Answer:

solve for g

-2(5+6g) = -10 +-12g =0

-12g=10

g=10/-12 = -5/6

Step-by-step explanation:

7 0
2 years ago
Bertha buys electricity from a company that offers a choice of two tariffs. Both have a daily charge of $0.20 regardless of how
Alenkasestr [34]

Answer: D ( 17/20)

Step-by-step explanation:

The two choices are:

The ‘standard’ tariff charges = $0.10 per unit

The ‘day/night tariff’ = $0.12 per unit for each unit consumed between 06:00 and 22:00 but only $0.05 for each unit consumed between 22:00 and 06:00

The day time is between 22:00 and 06:00

Time = 22 - 6 = 16 hours

Let assume that the charges are unit per hour.

For standard tariff = (16 × 0.10) + 0.2

Standard tariff = 1.6 + 0.2 = 1.8

For day/night = (16 × 0.12) + 0.2

= 1.92 + 0.2

= 2.12

The proportion will be

1.8/2.12 = 17/20 ( approximately)

6 0
3 years ago
What is 4 x 9 Answer ar
lesya692 [45]

Answer:

4 times 9 is 36!

4x8 is 32 so 32 + 4

7 0
2 years ago
Read 2 more answers
Is 9/3 a whole number
Liono4ka [1.6K]

Yes! 3x3= 9. Therefore, 3 goes into nine 3 times. So the whole number would be 3.

6 0
3 years ago
Read 2 more answers
29. Determine the value of x.<br> abc<br> X + 42°<br> 147°<br> 2x
suter [353]

Answer:

x=35

Step-by-step explanation:

180-147=33 (angles in a straight line)

33+3x+42=180 (angles in a triangle)

3x+42=147

147-42=105

105/3=35

5 0
2 years ago
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