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My name is Ann [436]
3 years ago
15

Simply the expression 3.4-1/2(0.75)

Mathematics
1 answer:
slava [35]3 years ago
3 0

Answer:

3.025

Step-by-step explanation:

3.4-1/2(0.75)

3.4-0.375

3.025

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the birth rate in a certain country in 1994 was 14,6 birthd per thousand population. in 2004 the birth rate was 14.32 per thousa
amm1812

Answer:

y(x)=-0.028x+14.6

Step-by-step explanation:

Birth Rate in 1994 =  14.6 births per thousand population.

Birth Rate in 2004 =  14.32 births per thousand population.

A linear equation is of the form: y=mx+c

Where:

  • x=years after 1994
  • y=the birth rate
  • m=Yearly Birth Rate

First, we determine the birth rate per year

m=\dfrac{14.32-14.6}{10-0}\\=\dfrac{-0.28}{10}\\m=-0.028

Therefore, a linear equation that relates y in terms of x is of the form:

y(x)=-0.028x+c

When x=0, y=14.6

14.6=-0.028(0)+c

c=14.6

Therefore, the linear equation that relates y in terms of x is:

y(x)=-0.028x+14.6

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3 years ago
Solve for x solve for x ​
zhenek [66]

Answer:

9

Step-by-step explanation:

7 0
3 years ago
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Plz i need help with this. It would really help if you help me with this (._.)
Ira Lisetskai [31]
Z is B and x is D. Hope this helps!








6 0
3 years ago
Can someone help me please?
marishachu [46]
(6x + 30)+(2x+6)= 180
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So 2x+6 = 42
And 6x+30 = 138
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