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Lyrx [107]
2 years ago
13

to pass a math test, students must orrectly answer at least 0.6 of the questions Donald's schore is 5/8 karen's score is 0.88 gi

no's score is 3/5 sierra's score is 4/5 how many of the students passwd the test?
Mathematics
1 answer:
Anna11 [10]2 years ago
6 0

Answer:

If a passing score is equal to or greater than 0.6, then all four students passed the test.

Step-by-step explanation:

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NEED HELP ASAP
iogann1982 [59]

Answer:

[x + 2][x + 5][x - 1]

Step-by-step explanation:

The Leading Coefficient is 1 and the initial value is 10; they have a common factor of 1, so that automatically gives us our first factor of [x - 1]. Now, since the divisor\factor is in the form of x - c, use what is called Synthetic Division. Remember, in this formula, -c gives you the OPPOSITE terms of what they really are, so do not forget it. Anyway, here is how it is done:

1| 1 6 3 −10

↓ 1 7 10

__________

1 7 10 0 → {x}^{2} + 7x + 10 >> [x + 2][x + 5]

You start by placing the <em>c</em> in the top left corner, then list all the coefficients of your dividend [x³ + 6x² + 3x - 10]. You bring down the original term closest to <em>c</em> then begin your multiplication. Now depending on what symbol your result is tells you whether the next step is to subtract or add, then you continue this process starting with multiplication all the way up until you reach the end. Now, when the last term is 0, that means you have no remainder. Finally, your quotient is one degree less than your dividend, so that 1 in your quotient can be an x², the 7x follows right behind it, then 10, giving you the other factor of {x}^{2} + 7x + 10, which can be factored further to [x + 2][x + 5], attaching this to the first factor you started out your work on:

[x + 2][x + 5][x - 1]

I am joyous to assist you anytime.

3 0
3 years ago
What is the area of the following circle with radius of 7
seropon [69]

Answer:

153.94

Step-by-step explanation:

\pi r^{2}\\\pi  (7)^2\\=153.94--->about this amount

5 0
3 years ago
The sum of two positive integers, x and y, is not more than 40. The difference of the two integers is at least 20. Chancee choos
kvasek [131]

Answer:

No, Chancee mixed up the variables, the correct solution is that x must be between 20 and 40 and y must be between 0 and 10.

Step-by-step explanation:

Here, x and y are positive integers,

Such that, their sum is not more than 40,  

i.e. x + y ≤ 40 where x, y ≥ 0,

⇒ y ≤ 40 - x                 ...............(1),

Their difference is at least 20,

i.e. x - y ≥ 20

-y ≥ 20 - x

⇒ y ≤ x - 20   ............(2),

Graphing y ≤ 40 - x :

Related equation of inequality (1),

y = 40 - x

if x = 0, y = 40,

if y = 0, 0 = 40 - x ⇒ x = 40,

'≤' represents a solid line,

Join the points (0, 40) and (40, 0) by solid line.

Graphing y ≤ x - 20:

Related equation of inequality (1),

y = x - 20,

if x = 0, y = -20,

if y = 0, 0 = x - 20 ⇒ x = 20,

'≤' represents a solid line,

Join the points (0, -20) and (20, 0) by solid line.

By graphing we obtained a feasible region that is the solution of the system of inequalities (1) and (2) ( shown below ),

In which,

20 ≤ x ≤ 40 and 0 ≤ y ≤ 30

Hence, Chancee did not find the correct solution.

5 0
3 years ago
Can anyone help me???
klasskru [66]

Answer:

11

Step-by-step explanation:

just do it

7 0
3 years ago
Can you please help me
nika2105 [10]
I believe it’s 0.5 :)
4 0
3 years ago
Read 2 more answers
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