3 years ago

Solve (x+4)2 – 3(x + 4) – 3 = 0 using substitution. u=

Mathematics

1 answer:

mr_godi [17]3 years ago

3 0

Answer:

Step-by-step explanation:

(x+4)2-3(x+4)-3=0

2x+8-3x-12-3=0

-1x-4-3=0

-1x-7=0

-1x=7

x=7/-1

x=-7

You might be interested in

Janet bought a book for $19.95, and the tax was 6.25%. including tax how much did she pay round to nearest cent

drek231 [11]

Answer:$21.2

Step-by-step explanation:

multiply 19.25*6.25 then divide by 100 then add that answer onto 19.25 to then get an estimate of 21.2 dollars

3 0

3 years ago

Plot the vertices (–2, –8), (–2, 2), and (8, 2). What is the last vertex of the rectangle? What is the area of the rectangle? sq

Wewaii [24]

Answer:

the last vertex is (8,-8)

the area of the rectangle is 100 square units

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Trigonometry<br><br> cos62 x 12

zlopas [31]

Answer:

See explanation

Step-by-step explanation:

cos62˚ ≈ 0.469

0.469 x 12 = 5.628

4 0

3 years ago

please help me the best that you can. this is my last grade for this class and I really need to pass.

salantis [7]

Answer:

v = 52 m/s

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Math need help asap ty po sa makaka sagot

Hatshy [7]

<h2>Answer:</h2>

please see analysis

<h2>Step-by-step explanation:</h2>

$\left\{\right.{ \triangle}\ RST\cong { \triangle}\ DE$ F

$(SSS\ Congruence\ Postulate)$

$2.\ { \triangle\ CAT\cong { \triangle\ BED\ \left\{\right.Given\left.\ \right\}$

$\bar{AT}\cong\bar{ED}$

$\overline{AT}=20$

$so\ \overline{ED}=20$

$DE=3x-7=20\rightarrow\ x=9$

<em>I hope this helps you:)</em>

4 0

2 years ago