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vladimir1956 [14]
3 years ago
12

Omg help! WORTH 20 points NEED ASAP!!!

Mathematics
2 answers:
Gnesinka [82]3 years ago
5 0

Answer:

The first one for sure and maybe the last one

Step-by-step explanation:

ipn [44]3 years ago
3 0

Answer:

The second and last one

Step-by-step explanation:

Sorry if it's not the right answers

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Given: ABCD is a rhombus, <br> Perimeter = 20,<br> AC:BD = 4:3 Find:<br> Area of ABCD.
REY [17]
4a=20⇒a=5

we know diagonals are perpendicular. if u look at one of the right triangles, you can see that for hypotenuse to be 5, the legs have to be 4 and 3 to satisfy the given ratio 4:3.

so, diagonals are 8 and 6 as we know that diagonals bisect each other.

Area=8*6/2=24
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3 years ago
What is 54.77 rounded to the nearest tenth ?
k0ka [10]
54.8. Hope that helped :)
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2 years ago
Is the spinner shown a fair spinner?Explain why or why not.​
enyata [817]

Answer:

a

Step-by-step explanation:

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2 years ago
What's the volume to this prism?
DIA [1.3K]

Answer:

36 cubic inch

Step-by-step explanation:

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V=whl

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Have a good day :)

8 0
2 years ago
Mark read 2 1/2 books last week. This week he read 3 1/3 books. How many more books did Mark read this week and last week?
nikklg [1K]

Answer:

5/6 books

Step-by-step explanation:

We know that Mark read 2 1/2 books last week. This week, he read a bit more with 3 1/3 books.

To find how many more books he read, we must subtract 2 1/2 from 3 1/3:

3 1/3 - 2 1/2

Let's convert these into improper fractions first:

3 1/3 = (3 * 3 + 1) / 3 = 10/3

2 1/2 = (2 * 2 + 1) / 2 = 5/2

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In order to subtract these, we must find a common denominator. For 2 and 3, the LCM is 6, so we can use that as our common denominator:

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Finally, we have:

20/6 - 15/6 = (20 - 15) / 6 = 5/6 books

5 0
3 years ago
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