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Pavel [41]
3 years ago
8

A sweater for 36.00 at 7% sales tax

Mathematics
1 answer:
blagie [28]3 years ago
4 0
$36 x 1.07 = $38.52
The cost will be $38.52
Tax on this is $2.52
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Worksheet Check
Maurinko [17]
Hey i think the only mistake i caught was when you put 3 points under the line mark instead of only needing 2.
Possibly another mistake at 3a, Only 2 points (but i could be wrong)

6 0
2 years ago
Hugo is Serving fruit sure but at his party he has 1 gallon of fruit sorbet deserve to 32 friends if each person receives the sa
Ierofanga [76]

Answer:

1/2 cup per friend

Step-by-step explanation:

He has 1 gallon of fruit sorbet to serve to 32 friends

Note that:

1 US gallon of water (gal) = 16.00 US cups of water (cup)

16 cups/1 gallon x 1 gallon/32 friends  

1/2 cup per friend

4 0
2 years ago
Read 2 more answers
Translate the sentence into an equation.<br> Seven times the sum of a number and 9 is 2.
slega [8]

Answer:

7(x+9)=2

Step-by-step explanation:

8 0
3 years ago
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This figure shows three identical spherical billiard balls of diameter 6 cm inside an equilateral triangular frame.
Alenkasestr [34]

Answer:

Perimeter = 18(1 + √3 ) cm

Step-by-step explanation:

The radius of each ball = 1/2 * 6 = 3 cm.

Lines drawn from the 2 points of contact for one billiard ball to the center of the ball are at right angles to the sides of the triangle ( Tangent/radius theorem).

If we now draw a line from the vertex of the big triangle to the center of the ball we get 2 right triangles, and they are 30-60-90 triangles.

If the adjacent side of a triangle  ( which is part of the side of the big triangle) = x:

tan 30 = 3 / x

x = 3 / tan 30

=  3 / 1/√3

=   3√3 cm.

There are 6 of these sides in the big triangle so their total length =

18√3 cm.

The three 'middle' sides joining 2 billiard balls  each have a length of  2 radii = 6 cms   ( as they form a rectangle with the radii of 2 billiard balls).

So the perimeter of the triangle = 18√3 + 3(6)

= 18(1 + √3 ) cm

I would have liked to transfer a diagram but I can't get to copy it to this site.

7 0
2 years ago
How do you solve (10-5r)^2 using fctoring
Makovka662 [10]
(10-5r)^2=(10-5r)(10-5r) or 
25r^2-100r+100
divide the whole thing by 5 and get
5(5r^2-20r+20)
divide the whole thing by 5 again
25(r^2-4r+4)
factor by finding what two numbers add to get -4 and multiply to get 4 (-2 and -2 work)
r^2-4r+4=(r-2)(r-2) or 25((r-2)^2)
8 0
3 years ago
Read 2 more answers
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