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defon
3 years ago
14

Brainliest and 18 points Simultaneous equation 3x+2y=16, 2x-3y=2​

Mathematics
1 answer:
irina1246 [14]3 years ago
7 0
Solve for the first variable in one of the equations, then substitute the result into the other equation. (4,2) or x=4 y=2
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The value (in cents) of the change in a purse that contains twice as many nickels as pennies, five more dimes than nickels, and
nexus9112 [7]

Value of the pursue in cents: 131p+175

Step-by-step explanation:

Let's call:

p = number of pennies

The problem tells us that the pursue contains twice as many nickels as pennies, so the number of nickels is

n=2p

Also, the pursue contains five more dimes than nickels, so the number of dimes is

d=n+5=2p+5

And finally, the pursue contains as many quarters as dimes and nickels combained, so the number of quarters is

q=d+n=(2p+5)+2p=4p+5

The value of each type of coin is:

Penny: 1 cent

Nickel: 5 cents

Dime: 10 cents

Quarter: 25 cents

So, the total value of the pursue in cents is:

1p+5n+10d+25q

And substituting,

=p+5(2p)+10(2p+5)+25(4p+5)=\\p+10p+20p+50+100p+125=\\131p+175

So, this is the value of the change in the pursue in cents.

Learn more about expressions:

brainly.com/question/7014769

brainly.com/question/11007572

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#LearnwithBrainly

8 0
3 years ago
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Maxine wants a necklace 49 beads long.<br><br> She needs __ blue beads and __ black beads.
marissa [1.9K]
24.5 for each color
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3 years ago
Need help i will give anybody brainest!!!!!! due in 30 minutes
professor190 [17]

Answer:

2/3

Step-by-step explanation:

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3 years ago
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Which of the following are solutions to the equation below?
katrin2010 [14]

First simplify then solve.

4x^2+20x+25=49 \\4x^2+20x-24=0 \\4(x^2+5x-6)=0 \\x^2+5x-6=0\Longrightarrow(x+6)(x-1)=0 \\\boxed{x_1=-6, x_2=1}

We find there are two solutions. In your case the correct answers are A, C, D

Hope this helps.

r3t40

Hope this helps.

r3t40

7 0
3 years ago
If a total of 20 cups of onions and carrots were used, how many batches did the chef make? 4 batches 5 batches 8 batches 10 batc
vazorg [7]

Answer:

The answer is 4 batches I tried it and it was right

Step-by-step explanation:

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3 years ago
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