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Diano4ka-milaya [45]
3 years ago
14

Please check my answers. Thanks

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0

1) should be second option

CD→

2) None of these

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a total of $21,000 is invested in two bonds that pay 4% and 7.5% simple interest. The bond with 7.5 % interest rate earned 6 tim
hjlf
21000=a+b
ax.075xt=6xbx.04xt
t cancels out
a=3.2b
21000= 3.2b+b
21000=4.2b
b=5000
a=16000

account with 7.5% had 16000 invested in it.
account with 4% had 5000 invested in it
4 0
3 years ago
17. The radius of a circular path is 7m. Find the cost of fencing the path if the cost per meter is Rs.35​
Elis [28]

The cost of fencing the path is Rs 1539.38.

It is required to find the cost of  fencing the path.

<h3>What is circle?</h3>

A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre”. The perimeter around the circle is known as the circumference.

Given that:

radius of a circular path is 7m.

Rate = Rs .35​ per meter

We know that

Circumference of circle =2\pi r

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Circumference of circle=43.98 m

Now,

Cost = Circumference × Rate

Cost =43.98× 35

Cost =  Rs 1539.38

Therefore, the cost of fencing the path is Rs 1539.38.

Learn more about circle here:

brainly.com/question/11833983

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6 0
1 year ago
What is a pattern to find the value of 7×10 to the third power
Ksju [112]
7=================+.
3 0
2 years ago
Read 2 more answers
If the statement "If I am hungry, then I am not happy" is assumed to be true, is its inverse, "If I am not hungry, then I must b
elena55 [62]
No -- other factors will influence whether your happy or not. Saying that is true is inductive reasoning, which is prone to error
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3 years ago
Read 2 more answers
20x3/5=<br> A. 15<br> B. 14<br> C. 13<br> D. 12
MrRa [10]
20 x 3/5

60/5 = 12

D. 12
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3 years ago
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