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2 years ago

12

If Kayla buys 50 apples for $20 what is the unit rate?

2 answers:

mote1985 [20]2 years ago

4 0

Answer:

2.50 dollars an apple.

Step-by-step explanation:

Divide 50/20

Nimfa-mama [501]2 years ago

3 0

Answer:

2.5 per apple

Step-by-step explanation:

50 ÷ 20=2.5

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The area of a square garden is 128m sqared.how long is the diagonal

weqwewe [10]

The area of a square is (side)².
If the area is 128m², then the side is (√128) meters. (That's 8√2.)

The diagonal is the hypotenuse of the right triangle you get
if you slice the square in half along the diagonal. Its length is
given in the words of Old Pythagoras:

   c² = a² + b²

'a' and 'b' are sides of the square, so

   c² = (√128)² + (√128)²

   =    2 (√128)²

c = √ (2 x 128) = √256 = 16 meters .

4 0

2 years ago

Read 2 more answers

14. The diagonals of square ABCD intersect at E. If AE = 2, find the perimeter of ABCD.

lutik1710 [3]

Answer:

B, $8\sqrt{2}$

Step-by-step explanation:

Diagonals of a square are congruent so AC= 4

using pythagorean theorem we can then do $x^{2} +x^{2}$ = $4^{2}$

$2x^{2} = 16\\x^{2} =8\\x=\sqrt{8} \\x=2\sqrt{2}$

Then for perimeter we times the $2\sqrt{2}$ by 4 and get

$8\sqrt{2}$

Hope this helps and please mark brainliest!!

8 0

2 years ago

If area of circle is 210cm ,find the value of radius

Nataly_w [17]

Answer:

8.18

Step-by-step explanation:

<u>r = square root of A/ pi </u>

R = square root 210/ 3.14

I hope the <u><em>formula</em></u> helped!

3 0

2 years ago

What value of b will cause the system to have an infinite

m_a_m_a [10]

Answer:

$b=6$

Step-by-step explanation:

<u><em>The correct question is</em></u>

What value of b will cause the system to have an infinite number of solutions?

y = 6x – b

–3x + 1/2y = –3

we have

$y=6x-b$ ----->equation A

$-3x+\frac{1}{2}y=-3$ -----> equation B

we know that

If the system has infinite number of solutions then, the equation A must be equal to the equation B

so

isolate variable y in the equation B

$-3x+\frac{1}{2}y=-3$

Multiply by $2$ both sides

$-6x+y=-6$

$y=6x-6$ -------> new equation B

To find out the value of b, equate equation A and equation B

$6x-b=6x-6$

$b=6$

4 0

2 years ago

Answer this question, thx for the help <br> (the 4th one is this shape O )

RideAnS [48]

Answer:

1st one

Step-by-step explanation:

5 0

1 year ago