3 years ago

ANSWER QUICKLY TIMED QUIZ

1 answer:

maks197457 [2]3 years ago

4 0

$4x^2+32x-28=0\ \ \ |:4\\\\x^2+8x-7=0\ \ \ |+7\\\\x^2+8x=7\\\\x^2+2x\cdot4=7\ \ \ |+4^2\\\\x^2+2x\cdot4+4^2=7+4^2\\\\(x+4)^2=7+16\\\\(x+4)^2=23\\\\Answer:\ B.(x+4)^2=23$

You might be interested in

Tommy, Joel, and Garrett shared a supreme pizza

pogonyaev

Answer:

1/8

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What makes b in the equation true 3/8 X 8/b

Gala2k [10]

$\frac{3}{8} * \frac{8}{b} = \frac{3}{1} * \frac{1}{b}$ (I crossed simplify)

Next cross multiply;

3b = 1

b = 1/3

To check if the statement is true just substitute the value of b in the equation;

3b = 1

3(1/3) = 1

1 = 1

8 0

3 years ago

Given image A' B' C' D' E' if the pre-image contained point A(-1,5), which of the transformation resulted in image A' B' C' D' E

Svetradugi [14.3K]

Answer: c

Step-by-step explanation:

5 0

3 years ago

Suppose that y varies jointly with w and x and inversely with z and y = 175 when w = 5, x = 20 and z = 4. Write the equation tha

Allisa [31]

A]Given that y varies jointly with w and x and inversely with z and y = 175 when w = 5, x = 20 and z = 4.
then
y=kwx/z
where k is the constant or proportionality given by:
k=yz/wx
but
y=175, when w=5, x=20, z=4
hence
k=(175*4)/(5*20)
k=7
Thus the equation is:
y=(7xw)/z

b]find y when w = 2, x = 24 and z = 6.
y=(7*2*24)/6
y=336/6
y=56

4 0

3 years ago

Add to find the sum. 2.34 + 45.6 + 978 = ___

Bumek [7]

2.34 + 45.6 +978= 1025.94

4 0

2 years ago

Read 2 more answers

** ANSWER QUICKLY TIMED QUIZ **

ANSWER QUICKLY TIMED QUIZ