I hope this helps you
2. (base×height +base×length +height ×length )
2 (4×5+5×2+4×2)
2 (20+10+8)
2 .38
76
Answer:
See below.
Step-by-step explanation:
x^2 = y + 16
4y - 1 = 7x
are the 2 equations. (answer)
From the second equation
4y = 7x + 1
y = 7/4 x + 1/4
Substituting in the first equation:
7/4x + 1/4 + 16 = x^2
x^2 - 7/4 x - 16 - 1/4 = 0
x^2 - 7/4 x - 16 1/4 = 0
Multiplying though by 4
4x^2 - 7x - 65 = 0
Using the ac method to solve this 4 * -65 = -260 and we need factors of this to add up to -7. -20 and 13 look good so we write:
4x^2 - 20x + 13x - 65 = 0
Fatcor by grouping:
4x(x - 5) + 13(x - 5) = 0
(4x + 13)(x - 5) = 0
So the the roots are 5, -3.25
To find the values of y we substitute these values of x into the second equation:
x = 5: 4y - 1 = 7*542y = 36
y = 9.
x = -3.25:
4y - 1 = 7*-3.25
4y = (7 * -3.25) + 1
y = -5.44.
So the solutions are (5, 9) and (-3.25, -5.44) (Answer)
(12/30) / 6 = 2/5
You cannot reduce 5ths anymore therefore it’s the smallest equivalent
<h3>
Answer:</h3>
414.48 square feet is needed to make 3 dozen of the covers.
<h3>
Step-by-step explanation:</h3><h3>Step 1: Find the circumference, perimeter, of the circle.</h3>
To find the circumference, you multiply the 4 by π, and π is 3.14, and you get 12.56.
<h3>Step 2: Find the area of the side, not including the circle.</h3>
The 12.56 is literally the length of the side. The width is the height of the cover which is 10 inches. 12.56 multiplied by 10 is 125.6 square inches.
Step 3: Add them up.
125.6 + 12.56 is 138.16
<h3>Step 4: Multiply 138.16 by three dozen (36 [a dozen is 12]).</h3>
138.16 multiplied by 36 is 4973.76 square inches.
<h3>Step 5: Convert 4973.76 square <u>inches</u> to square <u>feet</u>.</h3>
12 inches is 1 foot so we divide 4973.76 by 12. You get 414.48 square feet.
Triangle = 3
square = -2
star = 7
