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disa [49]
2 years ago
14

HELP! EXPLAIN! BRAINLIEST, STARS, AND HEARTS IF CORRECT!

Mathematics
1 answer:
WINSTONCH [101]2 years ago
8 0

Answer:

x = 20

Step-by-step explanation:

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ryan wants to buy a sweatshirt for $42.99. The sale tax rate in his city is 7 1/2% what is the total cost for the sweatshirt? ro
natali 33 [55]

Answer:

Step-by-step explanation: Answer:46.21

Step-by-step explanation:t/42.99 = 7.5/100.

Butterfly method

42.99 x 7.5 = 322.42 divided by 100= 3.22 plus 42.99 = 46.21etc

6 0
2 years ago
This is for homework its a fraction <br> x/5 = 3
kenny6666 [7]

Answer:

it is saying 5 divided by what equals three so I sugest to start by finding out what is half of 5

Step-by-step explanation:

5 0
3 years ago
-2(7a+ 9b) = –14a + [?]b
OverLord2011 [107]

Answer:

-18

Step-by-step explanation:

Left Hand Side = -2(7a + 9b) = -14a - 18b

Comparing it with Right Hand Side, ?  = -18

3 0
2 years ago
Read 2 more answers
A circle is inscribed in a square is 10 inch sides what is the circumference of the circle use 3.14 as an approximation for pie
MissTica

Answer:

31.4 inches

Step-by-step explanation:

If a circle is inscribed in a square then diameter of circle inscribed is same as  side as of square.

In the given problem it is given that side of square is 10 inches.

So diameter of  circle inscribed is 10 inches

we know radius of circle is half of  diameter of  circle

Thus, radius of circle inscribed = diameter of  circle/2 = 10/2 = 5inches.

Expression to calculate circumference of circle is given by 2\pi r

where r is the radius of circle.

Thus circumference of  circle inscribed is

2*\pi *5\\=> 10*3.14 \\=> 31.4

Thus, circumference of  circle inscribed is  31.4 inches

6 0
3 years ago
Help ! solve the following system of equations <br><br> -9x+2y=-13<br><br> 2x-9y=20
Stella [2.4K]

Answer: x = 1, y = -2

Step-by-step explanation:

-9x+2y=-13

x= 13/9 + 2/9y

2x-9y=20

2(13/9+2/9y)-9y=20

<em>Substitute y with -2.</em>

<em />

x= 13/9+2/9(-2)

<em>After solving you'll see that 1 is a possible solution for x.</em>

<em />

Check your answer

-9x+2y=-13

-9x1+2(-2) = -13

2x-9y=20

2x1-9(-2) = 20

-13 = -13

20 = 20

Therefore, x=1 and y=-2

5 0
2 years ago
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