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Grace [21]
3 years ago
9

Write 79031 in two different ways

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0
70,000+9,000+30+1
Seventy thousand nine hundred thirty one
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Solve the following system using the elimination method.<br> 3x+2y=1<br> 2x-y=10
Nataliya [291]

Answer:

Step 1 : Multiple both sides by 2

3x + 2y = 1

4x - 2y = 20

Step 2 : Eliminate 1 variable by adding the equations

7x = 21

Step 3 : Divide both sides by 7 to solve for x

x = 3

Step 4: Substitute the value of x into 3x + 2y = 1

3(3) + 2y = 1

Step 5: Solve for y

2y = 1 - 9

2y = -8

*divide by 2

y = - 4

Solution:

(x,y) = (3, -4)

6 0
3 years ago
3/4c-7/12+7/24c+2/3-1/6c<br>simplify the expression
Setler [38]
7/8c +23/24 I think this is right dont use me as the only source tho
6 0
2 years ago
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Which shows the following expression using positive exponents?
Hitman42 [59]

Answer:

1. option B is correct i.e., \frac{-3a^{7}b^3b^1}{15a^{2}}

2. option D is correct i.e., \frac{a^3b^4}{ab^2}.

3. option B is correct i.e.,  \frac{n^{10}}{16m^{6}}.

Step-by-step explanation:

1. Since the given equation is:

\frac{-3a^{-2}b^3}{15a^{-7}b^{-1}}

As we know that a^{-x}=\frac{1}{a^x}

So, the given equation can be represented as:

\frac{-3a^{7}b^3b^1}{15a^{2}}


2. Given equation is:

\frac{a^3b^{-2}}{ab^{-4}}

As we know that a^{-x}=\frac{1}{a^x}

so the given equation can be represented as:

\frac{a^3b^4}{ab^2}.


3.  Given equation is:

(\frac{4mn}{m^{-2}n^6})^{-2}

by using the properties a^{-x}=\frac{1}{a^x},

and a^x\times a^y=a^{x+y}

(\frac{4mn}{m^{-2}n^6})^{-2}

= (\frac{4n^1n^{-6}}{m^{-2}m^{-1}})^{-2}

= (\frac{4n^{1+(-6)}}{m^{-2+(-1)}})^{-2}

= (\frac{4n^{-5}}{m^{-3}})^{-2}

= \frac{4^{-2}n^{-5\times (-2)}}{m^{-3\times (-2)}}

= \frac{n^{10}}{16m^{6}}.

which is option B.

5 0
3 years ago
Read 2 more answers
If a 133 pound man can have 1032 mg of a medicine in a day, how much can a 121 pound woman have?
andreev551 [17]

Answer: the answer is 1020

Step-by-step explanation: Because lets say 1032-133=899

so if we do 899+121=1020

4 0
3 years ago
Who wants some free points
Alona [7]

Answer:

thanksssss! <3 :))))))))))

Step-by-step explanation:

6 0
3 years ago
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