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3 years ago

Solve: 4 − 17 = 5( + 3)

Mathematics

2 answers:

andreev551 [17]3 years ago

6 0

Hello

4 - 17 = 5 + 3
-13 = 8
False

tresset_1 [31]3 years ago

3 0

It would be false because if you do 4-17 it is 13 while 5(+3) is 15, you get 15 not 8 because if a number has ( ) around them it means to multiply, the +3 does not mean anything besides telling you that it is a positive not a negative

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DerKrebs [107]

9 c 10 b 11 b 12a 13 c 14 d 15 d 16c 17 a or c
18 b 19 d 20 is b

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3 years ago

Please ASAP.

Flauer [41]

Answer:

2/3

Step-by-step explanation:

42/63 = 2/3

15/22.5 = 2/3

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3 years ago

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A rug is to be centered in a room so that the border around it is of a consistent width on all four sides. If the room is 10 ft

aleksley [76]

Answer:

The width of the border can be 9 feet or 3.5 feet.

Step-by-step explanation:

Let the width be x

Length of room = 10 feet

Breadth of room = 15 feet

Length of rug = 10-2x

Breadth of rug = 15-2x

Area of rug = $(10-2x)(15-2x)$

We are given that the area of the rug is 24 square feet.

So, $(10-2x)(15-2x)=24$ ---A

$150-20x-30x+4x^2=24$

$150-24-50x+4x^2=0$

$126-50x+4x^2=0$

$2(x-9)(2x-7)=0$

$x=9,\frac{7}{2}$

$x=9,3.5$

Substitute x =9 in A

$(10-2(9))(15-2(9))=24$

$24=24$

LHS = RHS

Substitute x = 3.5

$(10-2(3.5))(15-2(3.5))=24$

$24=24$

LHS = RHS

So, The width of the border can be 9 feet or 3.5 feet.

7 0

3 years ago

684,658 round to the nearest hundred thousand

OverLord2011 [107]

700,000 is the answer I believe

8 0

3 years ago

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haiely created another problem involving 2 rectangles she says 2 rectangles have the same area javito says that her statement is

Verizon [17]

Her statement is possible, the first rectangle could be equal to the second because x is unknown so if x was 5in in the first rectangle and - 1 in the second rectangle both problems would look like this 2 in & 5 in and the second one 5in & (2 in = (-1 +3)).

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3 years ago