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Artist 52 [7]
3 years ago
8

Please help! Question above

Mathematics
1 answer:
frez [133]3 years ago
3 0

Answer:

It's the first one. (m  + n - 1) sqrt p

Step-by-step explanation:

We can combine m sqrt p and n sqrt p, resulting in m + n, and combine - sqrt p to become (m + n - 1)sqrt p

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Eva and emily can clean the entire house in 4 hours. Eva can do it by herself in 6 hours. How long would it take emily to do it
aksik [14]
Let x = the number of hours Eva needs to complete the job
and y = the number of hours Emily needs to complete the job

x = 6
1/x + 1/y = 1/4
(The amount of work Eva does in 1 hr + the amount of work Emily does in 1 hr should equal 1/4 of the total work)
1/6 + 1/y = 1/4
1/y = 1/12
y = 12 hours
Emily would take 12 hours to do it by herself.
6 0
3 years ago
Please help me solve this problem
SSSSS [86.1K]
The answers or your problem is x=6
6 0
3 years ago
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The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.
igor_vitrenko [27]

Answer: x= 34


Step-by-step explanation:

Given: The measurement of the angles of the quadrilateral are as

First angle=88°

Second angle=108°

Third angle= 2x°

Forth angle =(3x-6)°

Now, The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.

Therefore,

88+108+2x+(3x-6)=360\\\Rightarrow196+5x-6=360\\\Rightarrow\ 5x=360-190\\\Rightarrow\ x=\frac{170}{5}\\\Rightarrow\ x=34

6 0
2 years ago
Convert this rational number<br> to its decimal form and round<br> to the nearest thousandth.
Novosadov [1.4K]

Answer:

0.778

Step-by-step explanation:

Round up if this number is greater than or equal to 5 and round down if it is less than 5.

5 0
3 years ago
EXPAND AND PLEASE EXPLAIN <br> FOR BRAINLIEST <br> (x-1)(x+1)
Eddi Din [679]

Answer:

x^2 -1

Step-by-step explanation:

-1×x + -1×1 + x×1 + x×x

= x^2 -x +x -1

= x^2 -1

{x}^{2}  - 1

4 0
2 years ago
Read 2 more answers
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