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natima [27]
3 years ago
10

PLZ HALP I NEED HALP YA IM TALKING TO YOU (25 points)

Mathematics
1 answer:
pashok25 [27]3 years ago
5 0

answer:

b + 3 + 6c = no

-30 - 24z = no

27n + 66p = yes

36 - 9j + 6k = yes

<em>-- if correct, please mark the brainliest and click the thanks button :)</em>

<em />

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Solve the system of equations using elimination: 8x - 8y = 0 and<br> -5x - 7y= -12.
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Step-by-step explanation:

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Quadratic equation whose roots are 6 and 4, and whose leading coefficient is 5 .
Gwar [14]

Answer:

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3 years ago
(answer fast please, thanks!)
Pachacha [2.7K]

Answer:

$19 for one package of oatmeal cookie dough and $14 for one package of chocolate chip cookie dough

Step-by-step explanation:

We need to set up two equations: one that shows how much money Mike made and one that shows how much money Shawna made.  

Let's make a = price for one chocolate chip cookie dough and b = price for one oatmeal cookie dough.

First equation for Mike: 12a + 3b = 225

Second equation for Shawna: 6a + 11b = 293

Next we isolate b from Mike's equation: b = 75 - 4a

Then we plug this equation into Shawna's equation and we get:

6a + 11(75 - 4a) = 293

Solving for a would get us 14, or $14 for one chocolate chip cookie dough.

If we plug 14 = a into Mike's original equation and solve for b, we get b = 19, or $19 for one oatmeal cookie dough.

Hope this helped!

5 0
3 years ago
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BlackZzzverrR [31]
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5 0
3 years ago
Read 2 more answers
6. Andy scored 90 on the last history exam. He scored 81 this time. By what percent did his score decrease?​
allsm [11]

Answer:

His score decreased by 9 percent this time.

Step-by-step explanation:

From his first history exam he had a score of 90 percent. The difference between his first score and present score is given by

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2 years ago
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