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Setler [38]
2 years ago
15

Pleaseeeeeeee helpppp!!!

Mathematics
1 answer:
kenny6666 [7]2 years ago
7 0
-1, 5/2

And in decimal form 1, 2.5
You might be interested in
2) Simplify 675 divided by (6+9 divided by 3)=
Sindrei [870]

Remember PEMDAS. First thing you do is the parentheses. Division is always before addition. 9 divided by 3 = 3. 6 + 3 = 9 Now 675 divided by 9. The answer to that question is 75. You should show your work.

5 0
3 years ago
HELP PLEASE <br><br>i dont understand at all...
bija089 [108]

An exponent signifies repeated multiplication.

x\cdot x\cdot x=x^{3}  the factor x is repeated 3 times

Exponents can be added and subtracted to express the effects of multiplication and division.

\dfrac{x\cdot x\cdot x\cdot x\cdot x}{x\cdot x\cdot x}=\dfrac{x^{5}}{x^{3}}\\\\=\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x}\cdot x\cdot x=x\cdot x\\\\=x^{(5-3)}=x^{2}

The addition and subtraction of exponents works the same even when there are more denominator factors than numerator factors.

\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x\cdot x\cdot x}=\dfrac{x^{3}}{x^{5}}=\dfrac{1}{x^{2}}\\\\=x^{(3-5)}=x^{-2}

That is, a negative numerator exponent is the same as a positive denominator exponent and vice versa. You can move a factor with an exponent from denominator to numerator and change the sign of the exponent, and vice versa.

Your expression has 3 in the denominator with a negative exponent. It can be moved to the numerator and the exponent changed to positive:

\dfrac{1}{3^{-2}}=3^{2}\\\\=3\cdot 3=\bf{9}

8 0
3 years ago
X- 12 = 5x2 in standard form
Rudik [331]

Answer:

It is: -5x^2 + x - 12 = 0

Step-by-step explanation:

4 0
3 years ago
Ellipse with vertices (0,+6) and passing through the point (2,2) what is the equation ​
Eddi Din [679]
The equation is Y=-2x+6
6 0
3 years ago
Julio invested $2,000 in a simple interest account for 3 years.She had earned $150 in interest by the end. What is the simple in
german
The formula is
R=I/pt
R interest rate?
I interest earned 150
P principle 2000
T time 3 years
R=150÷(2,000×3)
R=0.025 × 100
R=2.5%

Hope it helps!
4 0
3 years ago
Read 2 more answers
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