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zzz [600]
3 years ago
14

Part A: The area of a square is (9x2 − 12x + 4) square units. Determine the length of each side of the square by factoring the a

rea expression completely. Show your work. (5 points)
Part B: The area of a rectangle is (25x2 − 16y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. (5 points)
Mathematics
1 answer:
Sloan [31]3 years ago
5 0

Answer:

A. (3x-2)^2

B. 5x-4y

5x=4y

Step-by-step explanation:

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Suppose that y varies inversely with x, and y=4 when x=7. What is an equation for the inverse variation
balu736 [363]

Answer:

xy = 28

Step-by-step explanation:

The formula for inverse variation is

xy =k

If y = 4 and x = 7

4*7 = k

28 = k

The equation is xy = 28

8 0
3 years ago
Pls help. I am not very smart!
Yanka [14]

Answer:

Umm I'm not entirely sure but I think its the last one

8 0
3 years ago
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Choose the equation below that represents the line that passes through the point (7, -2) and has a slope of -3
Ray Of Light [21]

Answer:

B

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = - 3 and (a, b) = (7, - 2 ), thus

y - (- 2) = - 3(x - 7) , that is

y + 2 = - 3(x - 7) → B

3 0
2 years ago
Read 2 more answers
4. k/6 = 8/16 5. 5.4/7 = 27/h 6. 8/11 = 4/y+2
kupik [55]

Answer:

4. k=3\\

5. h=35

6. \frac{7}{2} or 3.5

Step-by-step explanation:

\frac{k}{6}=\frac{8}{16}

Multiply those 2 values whose diagonal has both terms and divide by the term whose diagonal has the variable.

k=\frac{8*6}{16}\\ k=\frac{48}{16}\\ k=3

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

\frac{5.4}{7}=\frac{27}{h}

h=\frac{7*27}{5.4} \\h=\frac{189}{5.4}\\ h=35

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

\frac{8}{11}=\frac{4}{y+2}

y+2=\frac{11*4}{8}\\ y=\frac{11*4}{8}-2\\y=\frac{44}{8}-2 \\y=\frac{11}{2}-2\\ y=\frac{11-2*2}{2}\\ y=\frac{11-4}{2}\\ y=\frac{7}{2}=3.5

7 0
2 years ago
Marcus buys a tent priced at $50 if the sales tax is 5% how much tax will Marcus pay
seraphim [82]

5% = 0.05

50 x 0.05 = $2.50

 Total tax will be $2.50


 Total amount he will pay = 50 + 2.50 = $52.50

3 0
3 years ago
Read 2 more answers
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