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Stells [14]
2 years ago
8

Please help me solve this for Algebra!

Mathematics
1 answer:
11111nata11111 [884]2 years ago
3 0

Answer:

D

Step-by-step explanation:

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A wire 390 in. long is cut into two pieces. One piece is formed into a square and the other into a circle. If the two figures ha
jeka57 [31]

Answer:

Step-by-step explanation:

Let x is the length of the square side.

We know: the two figures have the same area

<=> x^{2} = πr^{2} (r being radius)

<=> x = \sqrt{II} r

perimeter square = 4x = 4*r*\sqrt{II}

perimeter circle = 2*r*π

<=> 390 = 4*r*\sqrt{II}  + 2*r*π

<=> r = 29.16

=> perimeter square =  4*29.16*π

=> perimeter circle = 58.32π

3 0
3 years ago
Read 2 more answers
Assessment
lana66690 [7]

1).  c

2).  a

3).  a **

4).  d

5).  a

6).  c

** Question #3 has a typo (a typographical error, a misprint, an error, a mistake, a blunder, an oops, an owee) on the question sheet.  The first number of the sequence should be 10,000 instead of 1000 .

8 0
3 years ago
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Please help!!!!!!!!!!!!
Anna [14]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
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The area of a rectangle is 56 cm. The length is 2cm more than x and width is 5 cm less than twice x. Solve for x. Round to the n
ra1l [238]
Area = Length * Width = l * w
l = x + 2
w = 2x - 5
Area = (x + 2)(2x - 5) = 56
Area = 2x^2 -x  - 10 = 56
Area = 2x^2 - x - 66 = 0 Now you have to factor this thing.
Area = (2x + 11)( x - 6) = 0 This is more or less done by guessing. 
2x + 11 = 0 can't work. x would be negative.
x - 6 = 0
x = 6.

Check
=====
l = x + 2
l = 6 + 2
l = 8

w = 2*x - 5
w = 2*6 - 5
w = 12 - 5
w = 7

l*w = 8*7 = 56. It checks.
If this is the best answer you get, could you consider a Brainly? I need 2 of them to move up.
3 0
3 years ago
PLEASE HELP MEEEE ill mark brilliance!!!!
SIZIF [17.4K]

Answer:

0.50

Step-by-step explanation:

The individuals that do and do not wear glasses are evenly split, it is 2/4, therefore the probability that a teenager wears glasses AND watched TV is 0.50.

7 0
2 years ago
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