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LUCKY_DIMON [66]
3 years ago
14

What is the answer to 4x-7=-2(1-2x)?

Mathematics
2 answers:
sesenic [268]3 years ago
7 0

Answer:

no solution

Step-by-step explanation:

hope this helps

lubasha [3.4K]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

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If 3^2x+1=3^x+5 what is the value of x?
atroni [7]
Did you mean this?    <span>3^2x+1=3^x+5  =>  3^(2x+1) = 3^(x+5)?  If so, then 2x+1 is necessarily equal to x+5, so that 2x+1=x+5.  Thus, x = 4 (answer).

Those parentheses are not optional; they must be part of your problem statement and solution.</span>
6 0
2 years ago
Read 2 more answers
If 2x + 5 = 82, then 12x = ?<br> A 5<br> B<br> 10<br> C 15<br> D 20
KengaRu [80]

Answer:

2x= 38.5

Step-by-step explanation:

I'm not sure where u got 12x but 2 x = 38.5:

2x + 5 =82

subtract 5 for 82

2x = 77

77 divided by 2 is 38.5

x = 38.5

hope this helps :)

5 0
3 years ago
Are the following functions linear or nonlinear?
exis [7]

Answer:

The chart is linear, the graph is not.

Step-by-step explanation:

Because the graph is curved and not straight, it is non-linear. You can also tell that this is non-linear because the rate of change, or slope, is inconsistent. The chart is linear because it has a consistent slope. I hope this helps, have a nice day. :-)

8 0
3 years ago
What is the the area of a sector of a circle with a radius of 9 centimeters and formed by a central angle that measures 120
dem82 [27]

Answer:

27π cm²

Step-by-step explanation:

step 1

Find the area of the complete circle

The area of the circle is equal to

A=πr²

we have

r=9 cm

substitute

A=π(9)²=81π cm²

step 2

Remember that the area of complete circle subtends a central angle of 360°

so

using proportion

Find the area of a sector formed by a central angle that measures 120°

81π/360°=x/120°

x=120°*81π/360°

x=27π cm²

5 0
2 years ago
3. A man needed money for college. He borrowed $6,000 at 14% simple interest per year. If he paid $420 interest, what was the du
9966 [12]

Answer: half year

Step-by-step explanation:

The formula to find the simple interest is given by :-

I=Prt, , where P is the principal amount , r is the rate of interest and t is the time in year.

Given : I=420 ; r=14%=0.14 and P =$6000

Then, we have the following equation :-

420=6000\times0.14 \times t\\\\\Rightarrow\ t=\dfrac{420}{6000\times0.14}=0.5

It means the duration of the loan is half year .

6 0
3 years ago
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