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Diano4ka-milaya [45]
3 years ago
12

The radius of the circle is 2.5 cm. - Find the circumference of the circle. Round your answer to the nearest centimeter

Mathematics
1 answer:
Mila [183]3 years ago
4 0

Answer:

I would say A but i am not sure i did not take the test

Step-by-step explanation:

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One indicator of physical fitness is a resting pulse rate. Ten men volunteered to test an exercise device advertised on televisi
Arlecino [84]
Yep that is right I totally agree
4 0
3 years ago
Find the value of X below
Paul [167]

Answer: x= 80

Step-by-step explanation:

it’s an isoceles triangle so bottom 2 angles are 50

50+50= 100

180-100= x

7 0
2 years ago
In Andrew’s Furniture Shop, he builds bookshelves and tables. Each type of furniture takes him about the same time to make. He f
olasank [31]
Given:
Cost to build a bookshelf = $20
Cost to build a table = $45
Amount available to spend = $600

Let x =  number of bookshelves built.
Let y =  number of tables built.

The total number of bookshelves and tables =  18.
Therefore
x + y = 18.
 That is,
 y = 18 - x                    (1)

The total amount available to build x bookshelves and y tables = $600. Therefore
20x + 45y = 600
That is (dividing through by 5),
4x + 9y = 120            (2)

Substitute (1) into (2).
4x + 9(18 - x) = 120
4x + 162 - 9x = 120
-5x = -42
  x = 8.4
From (1),obtain
 y = 18 - 8.4 = 9.6

Because we cannot have fractional bookshelves and tables, we shall test values of x=8, 9 and y=9,10 for profit

Note: The profit is $60 per bookshelf and $100 per table.
If x = 8, then y = 18-8 = 10.
The profit = 8*60 + 10*100 =  $1480

If x = 9, then y = 18-9 = 9.
The profit = 9*60 + 9*100 = $1440

The choice of 8 bookshelves and 10 tables is more profitable.

Answer: 8 bookshelves and 10 tables.
5 0
3 years ago
Is y = 0.860x + 3.302 a linear function?
gulaghasi [49]

Answer:

yes

Step-by-step explanation:

Yes.  The given function has the form y = mx + b, which is that of a linear function.  Here the slope, m, is 0.860, and the y-intercept is 3.302.

8 0
3 years ago
A newspaper carrier has ​$6.40in change. he has two more quarters than dimes but five times as many nickels as quarters. how man
bekas [8.4K]
He has 11 quarters, 9 dimes, and 55 nickels.
11x.25=2.75
9x.1=.9
55x.05=2.75
2.75+2.75+.9=6.4
4 0
3 years ago
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