MATHEMATICS MIDDLE SCHOOL

X(x+2)-2(x+2)=3(x+2)

Answers

Answer 1

Answer:

Answer:

5 or -2

Step-by-step explanation:

simplify this to make it easier.

$x^(2) +2x-2x-4=3x+6\n$

then combine like terms

$x^(2) -4=3x+6$

now move everything over to the right

$x^(2) -3x-10=0$

then if you factor it, you get

$(x-5)(x+2)$

x can equal 5 or -2

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I need someone to help me figure out what the answer is please 17x(1x4)+2.2=

Answers

Answer:

Step-by-step explanation:

multiplication in parenthesis first, 1 time 4 is still 4.

then calculate the next multiplication 4 times 17 is 68.

last do the addition, 68 + 2.2 is 70.2, and that is the answer!

A bird leaves its nest and travels 14 miles per hour downwind for x hours. On the return trip, the bird travels 4 miles per hour slower and has 6 miles left after x hours.a. What is the distance of the entire trip?

miles

b. How long does the entire trip take? (In Hours Minutes and Seconds

Answers

1.5hr the distance of the entire trip
The time for the entire trip is 3.375 hours.
The total distance of the trip is 60 miles.

The total distance of the trip

The given parameters include;

The speed of the bird in the forward trip = 20 m/h
Time of motion = x
The speed of the bird in the backward trip in x hours = (20 - 4)m/h = 16 mi/h.
Distance remaining to complete the backward trip = 6 miles.

The time to complete each trip is calculated as;

distance = $speed $*$ time$

forward distance = backward distance

$&20 x=16 x+6 \n$

$&20 x-16 x=6 \n$

$&4 x=6 \n$

$&x=(6)/(4) \n$

$&x=1.5 h r$

The total time of the motion for the entire trip exists calculated as follows;

Time = time for forward + time for backward

$\text { time } &=1.5 \mathrm{hr} r_{\text {forward }}+1.5 \mathrm{hr} \text { backward }+\frac{6 \mathrm{mi}}{16 \mathrm{mi} / \mathrm{hr}} \text { backward } \n$

time $&=2(1.5) \mathrm{hr}+0.375 \mathrm{hr} \n$

time $&=3.375 \mathrm{hr}$

The time for the entire trip is 3.375 hours.

The total distance of the trip exists calculated as follows;

total distance = forward distance + backward distance total distance $=20 * 1.5+16 * 1.5+6$ miles

Total distance =60 miles

Therefore, the total distance of the trip is 60 miles.

To learn more about The total distance of the trip refer to:

brainly.com/question/1788514

#SPJ2

Answer:36

Step-by-step explanation:

Which answer best describes the solution to the equation 3m – 9 = 9 + 3m?

A.
one solution

B.
no solution

C.
an infinite number of solutions

D.
m = 27

Answers

let's check
3m - 9 = 9+3m
collect like terms
3m -3m = 9 + 9
0m = 18
which is not possible, so it will not have any solutions

3m - 9 = 9 + 3m
-3m    -3m
0m - 9 = 9
       +9 +9
   0m = 18
   0     0
   m = 0
B. no solution

Which name does not apply to the figure? A. quadrilateral B. square C. parallelogram D. rhombusBTW the figure is a rhombus

Answers

The answer is B.
-Corey

B because you could make it into a parallelogram when you tilt it.
You can make a rhombus because it is a rhombus.
You can make a quadrilateral because it has 4 sides.
~Jz
Hope it helps.

For the equations given below, which statement is true?-3x-8=19
-3x-2=25
A. The equations have the same solution because the second equation can be obtained by subtracting 6 from both sides of the first equation.
B. The equations have the same solution because the second equation can be obtained by adding 6 to both sides of the first equation.
C. The equations have the same solution because the second equation can be obtained by subtracting 19 from both sides of the first equation.
OD. The equations do not have the same solution because the second equation can be obtained by adding 6 to both sides of the first equation.