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frozen [14]
4 years ago
12

6.find zeroes by factorisation4x2 + 5√2 x - 3​

Mathematics
1 answer:
dangina [55]4 years ago
7 0

-13.213203440000000000000

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Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it work
Alex Ar [27]

Answer:

3 hrs 4.6 mins

Step-by-step explanation:

1/5 + 1/8 = 1/x

x = 40/13

3 0
2 years ago
For the given function, x can have what value?
Lyrx [107]

Answer:

x cannot be -4,-3, or 13

x can be anything else

Step-by-step explanation:

There are infinitely many values x can take where the relation above will be a function.

For it to be a function, you just need to make sure each x is only assigned one y value.

So x couldn't be -4 because it would by assigned to y=2 and y=0.

x couldn't be -3 because it would be assigned to y=1 and y=0.

x couldn't be 13 because it would be assigned to y=5 and y=0.

So as long as x is not chosen to be -4,-3, or 13 your relation here is a function.

5 0
3 years ago
PYTHAGOREAN THEOREM
Sav [38]

Answer:

the answer is 29

Step-by-step explanation:

a^2 + b^2 = c^2 (btw ^ means to the power)

a and b are the legs. c is the hypotenuse

21^2 + 20^2 = c^2

441 + 400 = 481

then we have to square it.

the square root of 481= 29.

btw the hypotenuse is always going to be bigger than the legs.

hope it helps!! btw it is right!

7 0
3 years ago
Read 2 more answers
How many books recommended by the book reading club would you actually buy? Which book was first recommended to be read by the b
avanturin [10]

Answer:

7

Step-by-step explanation:

njshhtb jahhhdvjsjjbvgshh shhkakhgsv jjjjgfe

4 0
3 years ago
If 2:7 is expressed in the form for 4. Find the value of x.​
Lelechka [254]

Answer:

x = 14

Step-by-step explanation:

Given that,

2:7 is expressed in the form for 4:x.

We need to find the value of x.

2:7 must be equated to 4:x.

So,

2:7=4:x\\\\or\\\\\dfrac{2}{7}=\dfrac{4}{x}\\\\x=\dfrac{7\times 4}{2}\\\\x=14

So, the value of x is equal to 14.

5 0
3 years ago
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