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Annette [7]
3 years ago
9

I am greater than 15 I am less than 21 I have 8 ones

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
7 0

Answer:

18

Step-by-step explanation:

bc 8 digits in the ones place, and less than 21 greater than 15

kap26 [50]3 years ago
4 0

Answer:

18 is greater than 15

18 is less then 21

18 has 8 ones

So the number is 18.

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1/2 ln(x + 3) - lnx = 0 solve for x
rusak2 [61]
1

 

Simplify \frac{1}{2}\imath n(x+3)​2​​1​​ın(x+3) to \frac{\imath n(x+3)}{2}​2​​ın(x+3)​​

\frac{\imath n(x+3)}{2}-\imath nx=0​2​​ın(x+3)​​−ınx=0


2

 

Add \imath nxınx to both sides

\frac{\imath n(x+3)}{2}=\imath nx​2​​ın(x+3)​​=ınx


3

 

Multiply both sides by 22

\imath n(x+3)=\imath nx\times 2ın(x+3)=ınx×2


4

 

Regroup terms

\imath n(x+3)=nx\times 2\imathın(x+3)=nx×2ı


5

 

Cancel \imathı on both sides

n(x+3)=nx\times 2n(x+3)=nx×2


6

 

Divide both sides by nn

x+3=\frac{nx\times 2}{n}x+3=​n​​nx×2​​


7

 

Subtract 33 from both sides

x=\frac{nx\times 2}{n}-3x=​n​​nx×2​​−3


6 0
3 years ago
Plz, I need the answer ASAP!
densk [106]
The answer is in my attachment

7 0
3 years ago
I need too know everything because I don't get this problem at all
inessss [21]
Surface area= Area of all the shapes added together
Area of square =s^2
Area of triangle =bh/2
S=12
B=12 B is s
H=8
12^2 =144 square
12×8= 96/2=48 triangle
There are 4 triangles and 1 square
144+48+48+48+48=336 Answer is f hope that helps
5 0
3 years ago
Identify all of the real roots of x^4 − x^3 − 9x^2 + 11x + 6 = 0.
Norma-Jean [14]

Answer:

4 roots: 2 , -3, 1+√2, 1 - √2

Step-by-step explanation:

x⁴ − x³ − 9x² + 11x + 6 = 0    leading: 1 (x⁴)    Trailing: 6 (1,2,3,6)

possible roots: trailing/leading (±1 , ±2, ±3, ±6)

Test: x = 2     (2)⁴ - (2)³ - 9*(2)² + 11*(2) + 6 = 0

        x = -3    (-3)⁴ - (-3)³ - 9*(-3)² + 11*(-3) + 6 = 0

By rational roots test: possible roots (x-2)(x+3) are factors

Long division:  (x⁴ − x³ − 9x² + 11x + 6) / (x-2)(x+3) = x²-2x-1

roots of x²-2x-1: x= (-b±√b²-4ac) / 2a

x = (2 ± √4+4) / 2 = (2 ± 2√2) / 2 = 1 ± √2

3 0
3 years ago
Please help me I don’t no the answer
harina [27]
In order to compare two fractions, they must both have the same denominator. In this case, we'll begin by converting 1/4 to twelfths. Multiply the denominator of 1/4 by 3:

4 × 3 = 12

This gives us 1/12. But to avoid changing the overall value of the fraction, we must also multiply the numerator of 1/4 by 3:

1 × 3 = 3

This leaves us with a final value of 3/12. We have now proven that 1/4 is equal to 3/12. This is the answer to your question:

A) 1/4 = 3/12

I hope this helps!
8 0
3 years ago
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