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Shtirlitz [24]
3 years ago
15

Lena's engagement ring has a radius of 9 millimeters. What is the ring's circumference? Use 3.14 for ​

Mathematics
1 answer:
scoray [572]3 years ago
4 0

Answer:

Given - Radius of ring is 9 millimeters

To find - Circumference

Solution -

9 millimeters = 0.9 centimeters

Circumference of circle = 2 × pie × r

= 2 × 3.14 × 0.9

= 6.28 × 0.9

= 5.652

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1
ivolga24 [154]

Question The price of a sofa is Sx. A man buys the sofa on hire purchase according to the following terms:

a downpayment of 25 % and the remaining to be paid in monthly instalments over 30 months at a

simple interest rate of 12 % per annum. Given that his monthly instalment is $52, find the value of x.

3 0
2 years ago
Can you please help me solve thanks step by step
shusha [124]

Answer:

40 degrees

Step-by-step explanation:

We know the entire angle of ABD is 70 and CBD and ABC are in it.

Since we know one of them (CBD) is 30, we can subtract 30 from 70 to find ABC. This is because the angle of ABC and CBD equal ABD.

30 + x = 70

-30 from both sides

x = 40

6 0
3 years ago
Read 2 more answers
bookstore ordered 1,528 packs of pens and 1,823 packs of pencils at the prices shown. how much did the bookstore spend on pens?
IgorC [24]
I found that the given prices are $ 4 per pack of pens and $ 3 per pack of penciles.

The question is how much the bookstore spent on pens.

Then you have to multiply the number packs of pens, which is 1,528, times the price per pack pens which is $ 4.

So, the answer is: 1528 packs of pens * $ 4 / pack of pens = $6112.


8 0
3 years ago
Find the area of a circle with radius equal to 6.<br><br> A =
anyanavicka [17]

Answer:

Step-by-step explanation:

hello :

A= πr²     r = 6

so : A= 3.14(36) = 113.04

8 0
3 years ago
How many different situations arise when five coins are thrown into the air?
svet-max [94.6K]
Each coin will either land as a head or a tail.  - 2 possible results.
for 5 coins its 2*2*2*2*2 = 32 different results.
4 0
3 years ago
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