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butalik [34]
3 years ago
9

On the first one I know it is not Noah so please don´t put Noah. Also make sure to explain please

Mathematics
2 answers:
AveGali [126]3 years ago
5 0
It’s Noah. Whether you believe it or not, it’s Noah. Put Noah as your answer and see.

25% of $30 is $7.50

75% of $10 is $7.50
user100 [1]3 years ago
4 0

Step-by-step explanation:

For the question 5, Noah is right, as 75/100 x 10 = 7.5, and 25/100 x 30 = 7.5

So both of then have equal amount, therefore, Noah is right.

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Erin wants to carpet the floor of her closet. A floor plan of the closet is 4ft x 10ft x 3ft x 6ft. How much carpet does Erin ne
yKpoI14uk [10]
1720 ft^2 you just need to times all the numbers together.
7 0
3 years ago
The diagonals of a rectangle ABCD meet at O if AO=(2x+3)cm and DO=(5x)cm find the length of its diagonals also find the perimete
vfiekz [6]

Step-by-step explanation:

AO = DO

2x+3 = 5x

3 = 5x-2x

3 = 3x

x = 1

DO = 5(1)=5cm

AC = 2×5 = 10cm

BC =√10²-8²

= √100-64

=√36

=6 cm

therefore, the perimeter of the rectangle

= 2×(8+6) = 2(14) = 28 cm

3 0
3 years ago
A sporting goods store is having a 40% off sale. What would be the sale price for a pair of skis that originally cost $108.
Rzqust [24]

Answer:

$64.80

Step-by-step explanation:

Instead of saying 40% off, I look at is as paying 60% on.  (100% less 40%). So I’m going to pay 60% of the original price of $108.  

60% of $108 is $64.80

5 0
3 years ago
A nursery owner owner buys 8 panes they cost 19.60 she breaks 3 more how much do the 3 cost
shtirl [24]

Answer:

Step-by-step explanation:

45

6 0
3 years ago
6x + 3 = 2x + 8<br> Whats the answer
Elden [556K]

Answer:

4/5

Step-by-step explanation:

6x + 3 = 2x + 8

      -3           -3

6x = 2x + 5

-2x       -2x

4x = 5

x = 4/5

8 0
4 years ago
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