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Elodia [21]
3 years ago
12

Kat has 19 coins, all quarters and dimes, that are worth a total of $4. The system of equations that can be used to the number o

f quarters,q, and the number of dimes,d, she has shown
Mathematics
1 answer:
Luden [163]3 years ago
7 0
<span>q + d=19 0.25q + 0.1d=4 
</span><span> (d) -0.1(q + d=19) 0.25q + 0.1d=4 Opposites cancel -0.1q -0.1 d=1.9 0.25q + 0.1d=4</span>
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{4x − 3y = −32x + 6y = −4 Solve the system of equations.
Harrizon [31]

Answer:

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5 0
3 years ago
Answer this question I will Mark brilliant and gets 70 PTS <br>do number one or two or do both ​
yanalaym [24]

Answers And Explanations:

Question 1.

Pulling out like terms :

1.1     Pull out like factors :

  12y - 10  =   2 • (6y - 5)  

Equation at the end of step  1  :

  Divide both sides by  2  

 

 Divide both sides by  6  

 y-(5/6)  > 0

Add  5/6  to both sides

y > 5/6.

Therefore, y = 5/6

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Question 2.

To make fractions improper with whole numbers, you must <u>multiply the Denominator by the whole number, then add the Numerator to the Product.</u>

<u></u>

First we multiply 32 by 5.

32 x 5 = 160.

Then we add the Numerator which is 1.

160 + 1 = 161, then we put it over the Denominator, your final answer is 161/5.

Therefore, 161/5 is your final answer.

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7 0
3 years ago
Which graph shows the solution set of x-9/7x+2&lt;=0
S_A_V [24]
For this case we have the following inequality:
 \frac{x-9}{7x+2}  \leq 0
 Solving for the numerator we have:
 x-9 \leq 0
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 Solving for the denominator we have:
 7x+2\ \textgreater \ 0
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 x \ \textgreater \   \frac{-2}{7}
 Therefore, the solution is given by:
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option 3
8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP IM STUCK HELP PLEASE
sasho [114]

Answer:

x>-2  and x<5

-2 <x<5

Step-by-step explanation:

We have open circles at -2 and 5 and are between the two numbers so we have and AND statement. It can be written either

x>-2  and x<5

or

-2 <x<5

6 0
3 years ago
Algebra help pls &lt;3
Liono4ka [1.6K]
B is right:
because it is -2 will make it 0 so it is two unit to the left.

3 0
3 years ago
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