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alekssr [168]
2 years ago
13

What goes in the blanks?

Mathematics
2 answers:
Mumz [18]2 years ago
7 0

Answer:

15/40

8/40

23/40

Step-by-step explanation:

it's hard to explain

GenaCL600 [577]2 years ago
3 0

Answer:

56/40 + 15/40 = 71/40

Step-by-step explanation:

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Which of the following is an extraneous solution of sqrt 4x + 41 = x+5
stiv31 [10]

Answer:

x=-8

Step-by-step explanation:

\sqrt{4x+41}=x+5

on squaring both sides

4x+41=(x+5)^2\\\\4x+41=x^2+10x+25\\\\x^2+6x-16=0\\\\x^2+8x-2x-16=0\\\\x(x+8)-2(x+8)=0\\\\(x-2)(x+8)=0

either x-2=0  or  x+8=0

either x=2 or x=-8

Putting x=2 in original equation, we get

\sqrt{4\times 2+41}=2+5

7=7 hence, it is not an extraneous solution

Putting x=-8 in original equation

\sqrt{4\times (-8)+41}=-8+5

i.e. 3=-3

Hence, x=-8 is an extraneous solution (since it doesn't satisfy the original equation)

3 0
3 years ago
Read 2 more answers
What time is 71/2 hours before 2:12 am?
meriva
ANSWER: 1:42 PM

First find how many hours 71/2 hours is. Half of 71 is 35.5. Do one day back... So 35.5 hour becomes 11.5 hours and 2:12 AM still stays the same. Now take away 30 min (0.5) from 11.5 hours and from 2:12 AM. Now the numbers are 11 hours and 1:42 AM. Subtract 1 hour from both amounts, 10.5 hours and 12:42 PM. Now, subtract 11 hours from both amounts again. 0 hours left and 1:42 PM.
6 0
3 years ago
The base of a cylindrical
KengaRu [80]

Answer:

Step-by-step explanation:

3 0
1 year ago
Divide. Round your answer to the nearest whole number.<br><br><br> 2,592.1856 divided by .108=?
Ierofanga [76]

Answer:

24002

Step-by-step explanation:

2,592.1856 divided by 0.108

= 24001.7185185

= 24002 (rounded to the nearest whole number)

Hope this helped!

3 0
2 years ago
This is due Monday but I want to get it done today, because the teacher is still going to check it, and I have practicly nothing
Crank
You don’t have anything attached:(
7 0
3 years ago
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