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timurjin [86]
3 years ago
11

HELPPPPP plsssss 3|2x+5|=9x-6

Mathematics
1 answer:
faust18 [17]3 years ago
7 0

Answer:

3 |2x  + 5|  = 9x - 6 \\  \\ 6x  + 15 = 9x - 6 \\  \\ 6x - 9x =  - 15 - 6 \\  \\  - 3x =  - 21 \\  \\ x =  \frac{21}{3}  \\  \\ x = 7 \\  \\

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HELP ME PLEASE AND EXPLAIN IT TOO! 28 Points!!!!!!!!!!
SIZIF [17.4K]
X=4
First find the solution to (x+1) ft. I chose to guess the answer as 4 and it worked (you’ll have to guess). I then plugged 4 into the other equation 2x. It became 2•4. Solving give the side length of 8 ft. Then you have to check to make sure they both have the same area. To do this just solve the equations.
First rectangle- 4•4= 16 ft area
Second rectangle- 2•8 = 16 ft area
( I’m really sorry if this is confusing)
4 0
3 years ago
Solve the following inequality. n/3>1
lbvjy [14]
N/3>1
n>1*3
n>3    or    (3,+∞)

Solution: n>3    or    (3, +∞)
3 0
3 years ago
Read 2 more answers
How do you simplify 2i<6u ?
marusya05 [52]
In simplifying inequalities, there are a few things that you have to remember. Here are some:

<span>Many simple inequalities can be solved by adding, subtracting, multiplying or dividing both sides until you are left with the variable on its own.
But these things will change direction of the inequality:<span>Don't multiply or divide by a variable (unless you know it is always positive or always negative)

We simplify as follows:
2i/2<6u/2
i<3u</span></span>
5 0
3 years ago
PLEASE HELP!!! this test will bring my grade up!! (question in picture)
kipiarov [429]

Answer:

b

Step-by-step explanation:

I think it's SAS

It is because O is the common angle and the two sides are similar.

5 0
3 years ago
What is the volume of a rectangular prism with length 13 cm, height 7 cm, and width 5 cm? 455 cm³ 455 cm 455 cm²
Rama09 [41]

Answer:

455 cm^3

Step-by-step explanation:

A three dimensional configuration with its face shaped of rectangle is called a Cuboid. So, the prism is in the shape of a cuboid.

The volume of a cuboid = Length *Breadth*Height

                                       =13cm*5cm*7cm\\=455cm^3

The volume of the cuboid shaped prism is 455 cm^3

7 0
3 years ago
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