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KIM [24]
2 years ago
14

4 times a number is 5 less than the square of that number

Mathematics
2 answers:
Tpy6a [65]2 years ago
4 0

Answer: The values were x = 5, and x = -1, with one positive root and one negative root. The negative solution of the two solutions is <u><em>-1.</em></u>

Alekssandra [29.7K]2 years ago
3 0

Answer:

4x=x²-5

Step-by-step explanation:

4 times a number=4x

square of that number=x²

is 5 less=-5

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Marta is solving the equation S = 2πrh + 2πr^2 for h. Which should be the result?
olga_2 [115]

Answer:

h = \frac{S}{2πr} - r


Step-by-step explanation:

The question requires you to make h the subject of the formula.

S = 2πrh + 2πr²

subtract 2πr² on both sides.

S - 2πr² = 2πrh - 2πr² -  2πr²

S - 2πr² = 2πrh

Dividing both sides by  2πr

(S -  2πr²)/2πr =  2πrh/ 2πr

h = \frac{S}{2πr} - r


7 0
3 years ago
Read 2 more answers
P=-30h+74 The variable h represents the number of hours he has spent reading, the variable p represents the number of pages left
olchik [2.2K]

Answer: Ethan will have to spend 2 hours reading if 14 pages are left to read

Step-by-step explanation:

Given the equation

P=-30h+74

where p =number of pages left to read and

h= the number of hours he has spent reading

Therefore , if Ethan has 14 pages left to read, then the number of hours Ethan will have to read will be

P=-30h+74

14= -30h + 74

30h= 74-14

30h= 60

h = 60/30

h =2 hours

Ethan will have to spend 2 hours reading if 14 pages are left to read

6 0
2 years ago
Uptown Country Club only admits members with annual incomes in the top 2.5% of the United States. If the annual individual incom
Verdich [7]

Answer:

$74,600

Step-by-step explanation:

-Given the probability is 2.5%, mean=$55,000 and standard deviation= $10,000

-We find the z value of 2.5%

p=P(z>\frac{X-\mu}{\sigma})\\\\1.96=P(z

Hence, the minimum amount of income to be in the top 2.5% is $74,600

5 0
3 years ago
JDIDJRJDJF PLS HELP IM STUCK
Dovator [93]

Step-by-step explanation:

we have

B = J + 2

as the number of laps Bill ran.

to get the number of laps Jill ran we need to transform this equation, so that we get

J = ...

or

... = J

J has to be on one side, and the rest on the other (just as it is with B = ...).

so,

B = J + 2

B - 2 = J

or

J = B - 2

hey ! we are finished already !

6 0
1 year ago
HELP OMG PLEASE ITS EASY IM JUST LAZY TO USE MY BIG BRAIN TY &lt;3
7nadin3 [17]

Answer:

3. <0, <BOA, <ABO

45

4. <E, <NED,<DEN

80

here you guess and judge by your basic knowledge of angles and guess the angle measurement. and as far as the angle names with three points there should be three names and so the angle you are measuring must always be in the middle and ya :))

5 0
2 years ago
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