3 years ago

Which one should I choose

Mathematics

1 answer:

Sveta_85 [38]3 years ago

8 0

Answer C or the third one

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The perimeter of a basket ball court is 108 m and the length is 6 m long than twice the width. What are the length and the width

Gnoma [55]

Let's say

P = perimeter, L : Length and w : width

Then

$P=2(L+w)=2L+2w=108$

But

$L=6+2w$

So

$2L+2w=108\\2(6+2w)+2w=108\\12+4w+2w=108\\12+6w=108\\6w=108-12\\6w=96\\w=16$

$L=6+2w\\L=6+2(16)\\L=6+32\\L=38$

We verify :

$2L+2w=108\\2(38)+2(16)=108\\76+32=108\\108=108$

Length = L = 38
Width = w = 16

3 0

3 years ago

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Which quadratic function is represented by the graph?

Fantom [35]

Answer:

y=5(x-7)(x-5)

Step-by-step explanation:

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3 years ago

Mrs. Dugan plans to serve 100 barbecue sandwiches at the campany picnic. How many packages of barbecue buns will she need if bun

wel

Answer:

For packages of 8 =

Each package of Buns contain 8 pieces.

Therefore 100 barbecue will be contained in 100/8 = 12.5 packages

For packages of 12 =

Each package of Buns contain 12 pieces.

Therefore 100 barbecue will be contained in 100/12 = 8.3 packages

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3 years ago

Using the diagram below, find x.

Alona [7]

Answer:

$x=28$

Step-by-step explanation:

$we~know~ that~ all~ the~ angles ~in ~a ~triangle ~all~add ~up ~to ~180$ ° $That ~means: x + ( 2x + 5 ) + ( 3x + 7 ) = 180.~Since~ addition~ is~ associative,\\~x + ( 2x + 5 ) + ( 3x + 7 ) = 180~ is ~the~ same ~as~ x + 2x + 5 + 3x + 7 = 180.$