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3 years ago

Can someone explain for me what are percents? How to find percent markup and markdown? Percent error. etc

Mathematics

1 answer:

Jlenok [28]3 years ago

8 0

This is what I had from that unit. I hope this helps!

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How do I find the area of this shape (rounded to the nearest 10th place)?

iren2701 [21]

20 times 20 hope this helps

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3 years ago

What is 12 over 42 in simplest form?

Gala2k [10]

Since 12 and 42 are both multiples of 6, you can divide each of them by 6. Therefore, the answer is 2 over 7.

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2 years ago

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Laura’s brownie recipe makes 24 brownies , but this time she wants to double the recipe so that she will have 48 brownies. Her o

Elza [17]

Answer:

Laura will need 1/4 cups more chocolate

Step-by-step explanation:

If laura has 2 cups of chocolate to begin with and she needs 2 and 1/4 cups when you subtract you get your answer of 1/4.

Hope this Helps have an awesome day!

7 0

2 years ago

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Length of the median CP

ehidna [41]

Given:

ΔABC $\sim$ ΔDEF

To find:

The length of median CP

Solution:

In ΔABC,

AP = 12, BP = 12 and PC = 3x - 12

In ΔDEF,

DQ = 16, QE = 16 and FQ = 2x + 8

If two triangles are similar, then their median is proportional to the corresponding sides.

$$\Rightarrow \frac{AP}{DQ} =\frac{PC}{FQ}$

$$\Rightarrow \frac{12}{16} =\frac{3x-12}{2x+8}$

Do cross multiplication.

$$\Rightarrow 12(2x+8)=16(3x-12)$

$$\Rightarrow 24x+96=48x-192$

Add 192 on both sides.

$$\Rightarrow 24x+96+192=48x-192+192$

$$\Rightarrow 24x+288=48x$

Subtract 24x from both sides.

$$\Rightarrow 24x+288- 24x=48x- 24x$

$$\Rightarrow 288=24x$

Divide by 24 on both sides.

⇒ 12 = x

Substitute x = 12 in CP.

CP = 3(12) - 12

= 36 - 12

= 24

The length of median CP is 24.

7 0

3 years ago

Find the 11th term of the following geometric sequence.<br><br> 1,5, 25, 125, ...

salantis [7]

Answer:

9,765,625

Step-by-step explanation:

7 0

2 years ago