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GaryK [48]
2 years ago
13

Which interval for the graphed function contains the local minimum?

Mathematics
2 answers:
mixas84 [53]2 years ago
8 0

Answer: I believe it should be -5,-3

slamgirl [31]2 years ago
3 0

Answer:

[-3,-1]

Step-by-step explanation:

local minimum is the vertex of the curve open upwards.

Thus it lies in the interval [-3,-1]

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here is a list of numbers. 7,12,16,20,27,40,56,64. a work out the difference between the two square numbers in the list. b work
poizon [28]

Answer:

see below

Step-by-step explanation:

7,12,16,20,27,40,56,64

The square numbers are 16 = 4^2   and 64 = 8^2

The difference is 64 - 16 =48

The cube numbers are 27 = 3^3 and 64 = 4^3

64 - 27 =37

4 0
2 years ago
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In the fifth grade at Lenape Elementary School, there are 4/5 as many students who do not wear glasses as those who do wear glas
vovikov84 [41]
Given:
4/5 as many students who do not wear glasses as those who wear glasses.
60 students wear glasses.

Find the total number of students in the grade.

60 * 4/5 = (60 * 4)/5 = 240 / 5 = 48 students who do not wear glasses.

60 w/ glasses + 48 w/o glasses = 108 total number of students.
6 0
2 years ago
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What is the reason for each step in the solution of the inequality? 4(x+6)>−5(x+5)−14 Select the reason for each step from th
Nesterboy [21]

Hey there!!

The equation given :

4 ( x + 6 ) > -5 ( x + 5 ) - 14

... 4x + 24 > -5x - 25 - 14

... 4x + 24 > - 5x - 39

Add 39 on both sides

... 4x + 63 > - 5x

Subtract 4x on both sides

... 63 > - 9x

Divide by -9 on both sides

When we divide both sides by a negative number, we switch the signs.

... -7 < x

Hope my answer helps!!

8 0
2 years ago
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Robin and Evelyn are playing a target game. The object of the game is to get an object as close to the center as possible. Each
Elan Coil [88]

Since the goal of the game is to have as few centimeters away as possible the lowest number 107 or Robin is winning

4 0
2 years ago
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According to the synthetic division below, which of the following statements are true?
makkiz [27]

Answer:

Correct options are A and D

Step-by-step explanation:

According to the synthetic division in the diagram you can write down the result of division:

2x^2+9x-7=(x-(-6))(2x-3)+11,\\ \\2x^2+9x-7=(x+6)(2x-3)+11.

Therefore,

  • when 2x^2+9x-7 is divided by x+6, the remainder is 11 (option D is correct). To find the remainder after division by x-6, you have to use another synthetic division. Actually, 2x^+9x-7=(x-6)(2x+21)+119, then the remainder is 119 (option C is false).
  • when x=-6, the expression x+6 is -6+6=0 and 2x^2+9x-7=0\cdot (2x-3)+11=11 (option A is correct). You cannot state the same when x=6 (option B is false).
  • neither x-6 nor x+6 is a factor of 2x^2+9x-7, because the remainders in both cases are not equal to 0 (options E and F are false).

4 0
2 years ago
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