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3 years ago

PLEASE HELP ITS DUE AT MIDNIGHT (pt 2)

Mathematics

1 answer:

dmitriy555 [2]3 years ago

7 0

Answer:

5. there was a: 18% decrease.

6. if the intial value was 285 and there was a 15 difference then the final value is 300. The change is 5.26%.

7. She has a 33.3333 % increase

8. The amount of students increased by 23.0769%

I hope this somewhat helps

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3 T-shirts cost $12. How<br> much will 50 T-shirts<br> cost?

LekaFEV [45]

Answer:

$200

Step-by-step explanation:

First, find the unit rate:

12/3= 4

Then multiply:

4*50= 200

Hope this helps!

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2 years ago

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A family of 5 people attends a theme park. the purchase 2 adult tickets for $27.50 each and 3 student tickets for $12.50 each. i

pickupchik [31]

They should get $7.50, because you multiply the adults by two, then the children by three, and add it all together

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3 years ago

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Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you

Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is $b=-30$ .

Step-by-step explanation:

Given:

$\frac{2}{5}b+1=-11$

Now given:

According to Mai $b = -25$ and According to Tyler $b = -28$

Now we need to find which of them is correct.

So we will solve the given equation we get;

$\frac{2}{5}b+1=-11$

Subtracting both side by 1 we get;

$\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12$

Now Multiplying both side $\frac{5}{2}$ we get;

$\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30$

Hence both of them are incorrect, correct answer is $b=-30$ .

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3 years ago

Michael has finished 25% of an art project that has taken

Nostrana [21]

It will take him 16 hours. Hope it helps

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3 years ago

What form is this equation in y= -3(x-5)^2+7 in?

Marianna [84]

Answer:

vertex form

Step-by-step explanation:

y= -3(x-5)^2+7

This equation is written in vertex form

y = a(x-h)^2 +k

The vertex is (h,k)

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3 years ago

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