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photoshop1234 [79]
3 years ago
6

What is the mass of the shorter bar?

Mathematics
2 answers:
AlexFokin [52]3 years ago
8 0
24kg since u did 40 divided by 5 then multiply by 3
Lynna [10]3 years ago
4 0
Its 24 kg , first you divide the 40 into 5 which equals 8 each so for each meter you get 8 kgs

so 8 multiplied by 3 is 24kg
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-4x+y=23 and 4x-9y=-15
astra-53 [7]

Answer:  x= -6; y= -1

Step-by-step explanation:

-4x + y = 23

4x - 9y = - 15

-4x + y = 23

      y = 23 + 4x     [Add 4x to both side]

4x - 9(23 + 4x) = - 15

4x - 207 - 36x = - 15

-32x - 207 = -15

-32x = 192             [Add 207 to both side]

    x = -6                [Divide -32 from both side]

-4x + y = 23

-4(-6) + y = 23          [Plug in -6 for x]

24 + y = 23              [Subtract 24 from both side]

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5 0
3 years ago
72÷x=3.6÷0.015 what is the answer?
lapo4ka [179]

Answer:

The answer you are looking for is x = 3/10

Step-by-step explanation:

D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

72/x = 3.6/0.015 // - 3.6/0.015

72/x-(3.6/0.015) = 0

72/x-240 = 0

72*x^-1 = 240 // : 72

x^-1 = 10/3

-1 < 0

1/(x^1) = 10/3 // * x^1

1 = 10/3*x^1 // : 10/3

3/10 = x^1

x = 3/10

x = 3/10

4 0
2 years ago
Read 2 more answers
How many solutions does y=2x+1 and x=-3 have
Nikolay [14]

Answer:

- 5

Step-by-step explanation:

given,

the relation is y=2x+1

if x=-3 than, y =2x+1

=2 * (-3)+1

= -6+1

-5

hence, the required answer is - 5

I found any one solution of given question.

7 0
3 years ago
C. What is located at the reflection of (3,1) across
Iteru [2.4K]

Check the picture below.

6 0
2 years ago
Rewrite 0.361 as a fraction in lowest terms.
saul85 [17]

Answer:

361/1000

Step-by-step explanation:

this should be the answer

5 0
3 years ago
Read 2 more answers
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