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inessss [21]
3 years ago
8

Given: 9yº Simplify the expression for y= 3. (show your work and explain your reasoning.)

Mathematics
1 answer:
Leto [7]3 years ago
6 0
The answer you are looking for is 27
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Solve the equation. 5 x minus 1 equals 14 A. x = 3 B. x = 4 C. x = 5 D. x = 15
Helen [10]

Answer:

B

Step-by-step explanation:

5x - 1 = x =4

4 0
3 years ago
4. Sandra has 35% of the money she needs. She has $105. How much more money does she need? Write the equation and solve.​
guajiro [1.7K]

Answer:

36.75

Step-by-step explanation:

First is turn the percent into a decimal which would be 0.35.

Then multiply 0.35 with 105

Finally this would equal to 36.75

Note: Hope I got it right, if I didn't I am very sorry this is all I can really do. If I did get it wrong please comment and I'll try again.

5 0
3 years ago
If
Tju [1.3M]

Answer:

Step-by-step explanation:

Rationalize the denominator of b. So, multiply the numerator and denominator by \sqrt{x}

b = \frac{(1-2\sqrt{x}) *\sqrt{x}}{\sqrt{x}*\sqrt{x}  }=\frac{1*\sqrt{x} -2\sqrt{x} *\sqrt{x} }{\sqrt{x} *\sqrt{x} }\\\\=\frac{\sqrt{x} -2x}{x}\\

Now, find a +b

a +b = \frac{2x+\sqrt{x} }{x}+\frac{\sqrt{x} -2x}{x}\\\\=\frac{2x+\sqrt{x} +\sqrt{x} -2x}{x}

Combine like terms

= \frac{2x-2x+\sqrt{x} +\sqrt{x} }{x}\\\\=\frac{2\sqrt{x} }{x}

Now find (a + b)²

(a +b)² = (\frac{2\sqrt{x} }{x})^{2}

          = \frac{2^{2}*(\sqrt{x} )^{2}}{x^{2}}\\\\= \frac{4* x}{x^{2}}\\\\= \frac{4}{x}

Hint: \sqrt{x} *\sqrt{x}  =\sqrt{x*x}=x

5 0
3 years ago
Evaluate the expression 15g if g = 1/5.
kap26 [50]

Answer:

3

Step-by-step explanation:

15g

g=1/5

15×1/5

15/1×1/5=3

6 0
3 years ago
Read 2 more answers
The mass of a package sent through the mail is 3 kilograms what is the mass of the package in grams? Plz halp GAHAAHAHHAH
klasskru [66]

Answer:

3000 grams

Step-by-step explanation:

convert 3 Kg to G

4 0
2 years ago
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