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Nesterboy [21]
3 years ago
12

Share R86,70 in the ratio 2 : 1​

Mathematics
1 answer:
rusak2 [61]3 years ago
4 0

Answer:

2:1

2=5780

1=2890

Step-by-step explanation:

2/2+1=2/3×86,70=5780

1/2+1=1/3×8670=2890

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A dragonfly can beat its wings 30 times a second. write an equation in slioe intercept form that shows the relationship between
ivanzaharov [21]

Answer:

1800

Step-by-step explanation:

Since there is the tragon fly beat his wings 30 times a second ,there is 60 hundredths of a second in a second multiply 30 x 60 and you should get 1800.

  1. mulitiply 0x0 = 0

     2.  mulitiply 6x0=0

        3. multiply 3x0=0

          4. mulitiply 6x3 = 18

            5. have 1800

or you can just multiply 6x3 = 18 and add the two zeros

6 0
3 years ago
MATH HELP!!!!!<br><br> If y = 15 when x = 2, what is the value of x when y = 7?
Ede4ka [16]

<u>Direct Variation:</u>  \frac{y}{x} = k

\frac{15}{2} = k

when y = 7:      \frac{7}{x} = \frac{15}{2}

14 = 15x

\frac{14}{15} = x

<u>Inverse variation:</u>   y*x = k

15 * 2 = k

30 = k

when y = 7:      7 * x = 30

x = \frac{30}{7}


3 0
3 years ago
Shelly got 60 questions correct on her math test.If she got 75% how many questions were on the test?
vekshin1
There were 80 questions on the test.

5 0
3 years ago
Can you please help me graph x+y=0
vaieri [72.5K]
If you subtract x from each side, it says  Y = -x .
That tells you that the slope of the graph is -1, and the y-intercept is zero.

The graph is a straight line, passing through the origin.
It slopes DOWN from left to right, at an angle of 45 degrees.
6 0
3 years ago
Use f(x) = 1 - 4x + 1). Find f(-5)
steposvetlana [31]
F(-5)=(1 - 4(-5) +1 )
=1+20+1
F(-5)=22
6 0
3 years ago
Read 2 more answers
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