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Volgvan
3 years ago
6

Three pipes take 1 hour to water the field. How much time will it take to water the field with 4 pipes? working out please

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0
Is it 1.3? Bc 4 divided by 3 is 1.3

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Red ink pens are sold at $1.50 each black ink pens are sold at $30 which color is the cheaper buy?
Lena [83]

Answer:

Red Ink pens.

Step-by-step explanation:

Red ink pens are sold at $1.50 while Black ink pens are sold at $30. One black ink pens cost more than one red ink pen by $28.50.

7 0
3 years ago
One more question, sorry can someone please help?​
CaHeK987 [17]

Answer:B

Step-by-step explanation:

Honestly when I did the math I got closest to b so I think it's B hope his helps

8 0
3 years ago
Find the distance between (3,4) and (4,-6) if necessary, round to the nearest tenth.
Ratling [72]

Answer:

The distance is:

d = 10.0 units (Rounded to the nearest the Tenths Place)

Step-by-step explanation:

Given the points

  • (3,4)
  • (4,-6)

The distance 'd' between (3,4) and (4,-6)

\mathrm{Compute\:the\:distance\:between\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):

d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

substituting the points values

   =\sqrt{\left(4-3\right)^2+\left(-6-4\right)^2}

   =\sqrt{1+10^2}

   =\sqrt{1+100}

   =\sqrt{101}

   =10.0  units (Rounded to the nearest the Tenths Place)

Thus, the distance is:

d = 10.0 units (Rounded to the nearest the Tenths Place)

4 0
3 years ago
Sam is building a model of an antique car. The scale of his model to the actual car is 1:10. His model is 12
Basile [38]

Answer:

125 inches

Step-by-step explanation:12*10 is 120. 1/2=5 inches. 120 + 5= 125 inches. PLEASE MARK BRAINLEST BECAUSE I WAS THE FIRST ONE TO ANSWER!!!!PLEASE!!!!

3 0
3 years ago
If x varies as y and if x=20 when y=9 , find x when y=18​
andrezito [222]

Answer:1/2 y

Step-by-step explanation:

We can solve this using ration reasoning:  

x

2

x

1

=

y

2

y

1

Explanation:

If  

x

varies directly with  

y

(written  

x

∝

y

), then doubling  

y

means doubling  

x

, so the rations of final values and initial values will be the same:

x

2

x

1

=

y

2

y

1

In this case,

x

2

9

=

24

18

x

2

=

9

⋅

24

18

=

12

Or, intuitively, if  

x

∝

y

and  

x

=

9

when  

y

=

18

, we can conclude that

x

=

1

2

y

and  

1

2

of 24 is 12.

3 0
3 years ago
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