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stepladder [879]
1 year ago
12

Can someone please help me its the second time im asking this

Mathematics
1 answer:
scoundrel [369]1 year ago
8 0

Answer:

see the attachment photo!

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Please help.. (This is meant to be infinite, so I can't use a calculator)
Alex17521 [72]

Answer:

5

Step-by-step explanation:

→ Let x = √20 + √20 .....

x

→ Square both sides

x² = 20 + √20 +√20 + √20

→ Replace √20 +√20 + √20 with x

x² = 20 + x

→ Move everything to the left hand side

x² - 20 - x = 0

→ Factorise

( x + 4 ) ( x - 5 )

→ Solve

x = -4 , 5

→ Discard negative result

x = 5

7 0
2 years ago
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Ximena is typing a 2500 word essay. In 9 minutes she types 396 words, at this rate can Ximena type the essay in an hour?
sasho [114]

Answer:

yes

Step-by-step explanation:

396÷ 9= 44

44×60= 2,640 > 2500

8 0
2 years ago
Pleeease help. Will give brainliest
mars1129 [50]
I think the first one (hope it helps.

6 0
3 years ago
The radius of a circle is 9 inches. What is the area ? Give the exact answer in simplest form
weqwewe [10]
A= πr^2
r=9
A= π(9)^2
A= 9x9=81
A=81π

In case that you have to use π
Multiply π(3.14)
3.14 times 81=254.34
8 0
3 years ago
Please helpme if possible withanother thing
MaRussiya [10]

Volume formula:

V=Width * Height* Length

Width=4

Height=4

Length=16

4*4*16

=16*16

= 256 m^3

Answer: 256 m^3

4 0
3 years ago
Read 2 more answers
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