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tensa zangetsu [6.8K]
3 years ago
11

Question:

Mathematics
2 answers:
EastWind [94]3 years ago
5 0

Answer:

add the equations together

Step-by-step explanation:

4 ways of solving one-step equations: Adding, Substracting, multiplication and division.

Lana71 [14]3 years ago
4 0
I think is the first option because your adding the equation toghter
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An item is regularly priced at$90. Henry bought it on sale for 70% off the regular price. How much did Henry pay?
Neko [114]
70 times .9 is 63 so 90 minus 63 is27 so it was $27
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2 years ago
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What number is 10times bigger than 30​
barxatty [35]

Answer:

300

Step-by-step explanation:

30 * 10 = 300

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Answer and Step-by-step explanation:

<u>Mandy travels more miles.</u>

We determine this by multiplying the distance from home by the number of trips.

For Mandy, she lives 10 miles away from school, and takes 9 trips. 9 times 10 is 90 miles.

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3 years ago
Which expression is equivalent to (4g3h2k4)3
RSB [31]

Answer:

d) 8g^{6}h^{4}  k^{12}  - (h^{25} k^{15} )

      \frac{(4g^{3} h^{2}k^{4} )^{3}  }{8g^{3}h^{2}  } - (h^{5} k^{3} )^{5}    = 8g^{6}h^{4}  k^{12}  - (h^{25} k^{15} )

Step-by-step explanation:

<u><em>Explanation</em></u>

Given expression

           =     \frac{(4g^{3} h^{2}k^{4} )^{3}  }{8g^{3}h^{2}  } - (h^{5} k^{3} )^{5}

By using

        (ab)ⁿ = aⁿbⁿ

         \frac{a^{m} }{a^{n} } = a^{m-n}

   =     \frac{(4)^{3} g^{9} h^{6}k^{12} )  }{8g^{3}h^{2}  } - (h^{5} k^{3} )^{5}

After simplification , we get

  = 8g^{9}g^{-3} h^{6} h^{-2} k^{12}  - (h^{5} k^{3} )^{5}

 = 8g^{9-3}h^{6-2}  k^{12}  - (h^{5} k^{3} )^{5}

= 8g^{6}h^{4}  k^{12}  - (h^{25} k^{15} )

3 0
2 years ago
8x – 65 = - x2<br> [pease help me
Leya [2.2K]

Answer: x=5 or x=−13

Step-by-step explanation:

8x−65=−x2

8x−65−(−x2)=−x2−(−x2)

x2+8x−65=0

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x−5=0 or x+13=0

x=5 or x=−13

4 0
3 years ago
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