If 3 apples costs 6 dollars how much would 12 apples cost proportions

William purchased 76.9 feet of fencing for his back yard. He realized after measuring, that he still needed an additional 25.7 f

Lostsunrise [7]

William needs 102.6 fencing in all because 76.9 plus 25.7 equals 102.6, hope this helps!

3 0

3 years ago

Pleas help me find the answer and show the work to this question

lions [1.4K]

Answer:

$Leg\ 1 = 8$

$Leg\ 2 = 15$

Step-by-step explanation:

Given: See Attachment

Required

Determine the length of the legs

To do this, we apply Pythagoras theorem.

$Hyp^2 = Adj^2 + Opp^2$

In this case:

$17^2 = x^2 + (2x- 1)^2$

Open Bracket

$17^2 = x^2 + 4x^2- 2x-2x + 1$

$17^2 = 5x^2 - 4x + 1$

$289= 5x^2 - 4x + 1$

Collect Like Terms

$5x^2 - 4x + 1 - 289 = 0$

$5x^2 - 4x - 288 = 0$

Solving using quadratic formula:

$x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}$

So:

$x = 8$ or $x = -7.2$

Since, x can't be negative, then:

$x = 8$

One of the leg is:

$Leg\ 1 = x$

$Leg\ 1 = 8$

$Leg\ 2 = 2x - 1$

$Leg\ 2 = 2*8 - 1$

$Leg\ 2 = 16 - 1$

$Leg\ 2 = 15$

6 0

3 years ago

In a random sample of 28 families, the average weekly food expense was $95.60 with a standard deviation of $22.50. determine

garik1379 [7]

F. For food stamps for

7 0

3 years ago

Simplify, and list any restrictions on the variable: (2x(x-4)/(4x^2-64)

uysha [10]

Answer:

WHEN SIMPLIFIED THE ANSWER WILL BE:

Step-by-step explanation:

(X)/(2(X+4)

8 0

3 years ago

Can you guys help me please!!

ella [17]

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1.C

2.C

3.D

4.D

5.D

6.A

7.C

8.B

9.A

10.C

11.A

12.B

13.D

14.C

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7 0

3 years ago