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vaieri [72.5K]
3 years ago
14

!!!HELP ME!!! ILL GIVE YOU BRAINLIEST!!!!

Mathematics
2 answers:
ehidna [41]3 years ago
8 0

Answer:

She can not achieve her average.

Step-by-step explanation:

For her homework average to be 8 or above, she needs to have at least 80 total points to be divided among 10 assignments.

If you add up all the values, 5, 0, 4, 8, 10, 9, 4, 6, 2, you would get 48.

She can not achieve her average because even with the maximum amount of points, 10, 58 is still less than 80.

lys-0071 [83]3 years ago
4 0

Answer:

No

Step-by-step explanation:

Most of her scores are under 50 or 50

5 2 4 4 0

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The sum of these fractions is between which two whole numbers? 3 4/6 1 3/6    4&5 5&6 6&7 or 7&8
umka21 [38]
<span>3 4/6 +  1 3/6  = 4 7/6 = 5 1/6
5 1/6 is between 5 and 6

answer is </span><span>5&6 (second choice)</span>
8 0
3 years ago
2/5 of the students in the class received an invitation to Sari's party. (a) if there are 35 students in Sari's class, how many
astraxan [27]

a) (2/5) x 35 = 14 students received invitations

b) 35-14 = 21 students didn’t receive invitations

3 0
3 years ago
What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
2 years ago
Read 2 more answers
If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
Ludmilka [50]

Answer:

Step-by-step explanation:

y = k*x                    This is the formula for a direct variation.

  • y = 20
  • x = 4                        Substitute these values into the direct variation

20 = 4 * k                        Divide by 4

20/4 = 4k/4

k = 5

Answer: the constant of variation is 5

7 0
2 years ago
*PLEASE HELP* *SPAM =REPORTED* 100 POINTS * PLEASE ADD EXPLANATION
Wewaii [24]

Answer:

your answer is B because with A the size of the dog cant lower and with D if there is less clothing then there cant more people and last we have C it cant be C because the more people there is the more the temp gets hotter not colder

Step-by-step explanation:

4 0
2 years ago
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