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vredina [299]
2 years ago
13

PLEASE HELP

Mathematics
2 answers:
balu736 [363]2 years ago
5 0

Answer:

A

Step-by-step explanation:

lozanna [386]2 years ago
5 0

Answer:

A) 18.84 divided by 6 is the answer.

Step-by-step explanation:


pi is essentially any circles' circumference over its diameter. In this case, the rug's circumference is 18.84 and it's diameter is 6, therefore to find pi, you would do 18.84 divided by 6, which is answer A.

Hope this helps!

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Consider triangle ABC where AB=X+5, BC=X-2, area is 30cm squared. Find X by solving X^2+3X-70=0, and find the perimeter.
klasskru [66]

Answer:

What the hell AC is not given so you can't find the Perimeter

Step-by-step explanation:

  • x^2+3x-70=0
  • (x-7)(x+10)=0
  • x-7=0

       x+10=0

  • x=7

       x=-10

AB=x+5

  • AB=12

        AB=-5

BC=x-2

  • BC=5

        BC=-12

Area of ABC = 30cm2

<u>Perimeter of ABC = AB+BC+</u><u>AC</u>

<u />

8 0
3 years ago
Marcy has $20 she wants to buy a book that is marked down 30% from its original price of $28. If the sales tax is 2.5 does she h
ale4655 [162]

Answer:

no

Step-by-step explanation:

thirty percent of $28 is $8.4, so you would subtract the two leaving you with $19.6

2.5 sales tax of $19.6 is $0.49

Adding those two, the total comes to 20.09 which is just over budget

5 0
3 years ago
A company page $48 for two cases of printer paper each case contains 12 packages of paper next month the company’s office manage
Vinvika [58]

Answer:

$360

Step-by-step explanation:

6 0
3 years ago
Factor each trinomial completely.<br> 4x^2 - 25b^2 and x^2 - 81
GenaCL600 [577]

Step-by-step explanation:

4x2 - 25b2

We can solve it by the squares so

(2x - 5b) (2x + 5b)

2) x2 - 81

The same case is here so

(x - 9) (x + 9)

8 0
3 years ago
Find the solution set of this inequality. Enter your answer in interval notation using grouping symbols. -2x+5&lt;3
Andrej [43]

Answer:

( 1 , ∞ )

Step-by-step explanation:

Interval notation rounds up to infinite

8 0
3 years ago
Read 2 more answers
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