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Andre45 [30]
2 years ago
11

Which equation shows a proportional relationship between x and y?

Mathematics
1 answer:
Gnoma [55]2 years ago
7 0
Y= 1x is the correct answer
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An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
Serhud [2]

Answer:

The artist used 8.6\ in more of silver wire

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

we know that

The Perimeter of the square is equal to

P=4a

where

a is the length side of the square

P=40\ in

so

40=4a

a=10\ in

so

Each side of the square has a length of 10 in

step 2

Find the circumference of the circle

The diameter of the circle is equal to the length of the side of  the square

The circumference is equal to

C=\pi D

we have

D=10\ in

substitute

C=(3.14)(10)=31.4\ in

step 3

Find the difference

40\ in-31.4\ in=8.6\ in

4 0
4 years ago
The 20% tip for a $60 meal is?
BARSIC [14]

Answer:

$12

Step-by-step explanation:

60.00 meal

x 20percent tip

you convert the 20 percent to .20

so 60

x   .20

------------

12.00

5 0
3 years ago
Read 2 more answers
Calculate the radius of the circle when its diameter is 42 cm.
Semmy [17]

Answer:

radius is half of the diameter

42/2= 21

the radius is 21 cm

Step-by-step explanation:

4 0
4 years ago
You began a shopping spree with $70 in your checking account. You bought a pair of headphones for $19.95. Then, you bought five
nikklg [1K]

Answer:

$102.55

Step-by-step explanation:

70 - 19.95 - (10.50 X 5) + 105 = 102.55

5 0
3 years ago
If ABCD is dilated by a factor of 2, the coordinate of d would be:
Rufina [12.5K]

Answer:

the coordinate of D is 6,4

5 0
3 years ago
Read 2 more answers
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