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3 years ago

Please help, we haven't practiced this in over a year and it's on my test.

Mathematics

1 answer:

tatyana61 [14]3 years ago

5 0

Answer:

I think the answer is A because they are parallel

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2 years ago

Can someone pls pls help me ?

Yakvenalex [24]

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Answer:

a = 9 meters

Step-by-step explanation:

The perimeter is the sum of the side lengths:

28 m = a + 2m + a + 8m

18 m = 2a . . . . . . . . . . . . . . . . subtract 10m, collect terms

9 m = a . . . . . . . . . . . . . . . divide by 2

The value of a is 9 meters.

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2 years ago

Winnie has 7 soccer trophies she want to display in an array. how many different arrays are possible?

Dvinal [7]

49 different arrays are possible.

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3 years ago

Read 2 more answers

Simplify (2√27) x (3√32)

Kryger [21]

For this case we have the following expression:

$(2 \sqrt {27}) (3 \sqrt {32})$

We have to:

$27: 3 * 3 * 3: 3 ^ 2 * 3\\32: 16 * 2: 4 ^ 2 * 2$

Rewriting the expression and simplifying we have:

$(2 \sqrt {3 ^ 2 * 3}) (3 \sqrt {4 ^ 2 * 2}) =\\(2 * 3 \sqrt {3}) (3 * 4 \sqrt {2}) =\\(6 \sqrt {3}) (12 \sqrt {2}) =\\72 \sqrt {3 * 2} =\\72 \sqrt {6}$

Answer:

$72 \sqrt {6}$

5 0

3 years ago

Read 2 more answers

Solve the system of equations of equations by graphing on your calculator rounded to 3 decimal spaces

Vanyuwa [196]

Answer:

$x=2.333\\y=-1,667$

Step-by-step explanation:

we have

$y-x=-4$ ----> equation A

$2x+y=3$ ----> equation B

Solve the system of equations by graphing

Remember that the solution of the system is the intersection point both graphs

Using a graphing tool

The intersection point is (2.333,-1.667)

see the attached figure

therefore

The solution is

$x=2.333\\y=-1,667$

3 0

3 years ago