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Marrrta [24]
3 years ago
6

9. Translate to an algebraic expression

Mathematics
2 answers:
Mashcka [7]3 years ago
4 0

Answer:

100-3x

Step-by-step explanation:

Well he has $100 and if each day he spends $3 we get the equation 100-3x giving us an expression we can use to calculate for any given day.

Alina [70]3 years ago
4 0

Answer:

x - 3

Step-by-step explanation:

umm i dont really know, just assuming

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Which expression is equivalent to x y Superscript two-ninths?
crimeas [40]

Option D: x\sqrt[9]{y^2} is the expression equivalent to xy^{\frac{2}{9}}

Explanation:

Option A: \sqrt{xy^9}

The expression can be written as ({xy^9})^{\frac{1}{2}

Applying exponent rule, we get,

x^{\frac{1}{2}} y^{\frac{9}{2}}

Thus, the expression \sqrt{xy^9} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option A is not the correct answer.

Option B: \sqrt[9]{xy^2}

The expression can be written as ({xy^2})^{\frac{1}{9}

Applying exponent rule, we get,

x^{\frac{1}{9}} y^{\frac{2}{9}}

Thus, the expression \sqrt[9]{xy^2} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option B is not the correct answer.

Option C: x\sqrt{y^9}

The expression can be written as x(y^9)^{\frac{1}{2} }

Applying exponent rule, we get,

x y^{\frac{9}{2}}

Thus, the expression x\sqrt{y^9} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option C is not the correct answer.

Option D: x\sqrt[9]{y^{2} }

The expression can be written as x(y^2)^{\frac{1}{9} }

Applying exponent rule, we get,

xy^{\frac{2}{9}}

Thus, the expression xy^{\frac{2}{9}} is equivalent to the expression xy^{\frac{2}{9}}

Hence, Option D is the correct answer.

4 0
3 years ago
Read 2 more answers
What is 437284237940 divided by 2 - 2 times 1 -3 +42 divided by 7989
Zigmanuir [339]
The answer would be <span>27367895.7325</span>
6 0
3 years ago
the road crew paved 4/6 mile of road in the morning and 2/3 mile in the afternoon how many miles of road did the crew pave
Maksim231197 [3]

Answer: 8=x days


Step-by-step explanation:

(4/5)mile=((1/10)mile)(x days)  

Let's cancel units...

(4/5)mile=((1/10)mile)(x days)  

4/5=(1/10)x days  

Let's proceed to isolate x by multiplying both sides by 10...

(10)(4/5)=(10)(1/10)(x days)

40/5=x days

8=x days

7 0
3 years ago
In the diagram below, ΔABC ≅ ΔDEF. Complete the statement AB¯¯¯¯¯¯¯¯≅ __
VikaD [51]
The answer would be D. DE
3 0
3 years ago
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Please help me solve this question.
zlopas [31]
Cut the sign in half across its middle.  Then you have two right triangles.
They're congruent, so pick one to work with, and discard the other one
temporarily.

In the right triangle:

-- The length of one leg is 'x'.<em />
-- The length of the other leg is (2x + 7).
-- The length of the hypotenuse is  35.47 inches.

You know that in any right triangle:

(The square of the hypotenuse) =
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so you can use that to find the value of 'x'.

One you know the value of 'x', go back to the whole sign before you cut it
in half, and notice that the height of the sign is '2x' ... which is the answer.
6 0
3 years ago
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