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muminat
3 years ago
14

HELP PLS HELP PLS

Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0

Answer:

x =-4

y=-1

x=2

y=8

okeeeeeeeeeeeyyyyyyyyy

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Can someone please help with this problem
JulsSmile [24]

Answer:

f(x)=-3(x+2)^2-2

Step-by-step explanation: the the FX graph the -3 in my equation represents the decrease(for being negative) in the graph, the positive 2 represents the x axis if that number is positive the negative 3 is going to change the x axis then will end up being negative which is why the x starts off in negative 2, the last number represents the y axis if the y axis is negative 2 the y will start off at -2

8 0
3 years ago
Evaluate:<br> 4 + -2 + -7
krok68 [10]

Answer:

-5

Step-by-step explanation:

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2 years ago
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Evaluate the following using the distributive property 6(3+9)
Marrrta [24]

Answer:72

Step-by-step explanation:

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3 years ago
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Assume the sample below is a perfectly random sample of students at a school. How much greater is the mean of the
igor_vitrenko [27]

Answer:

0.75

Step-by-step explanation:

The table is not well presented (See Attachment)

There are at least two approaches to this question

Method 1:  

Steps

1. Calculate the mean of reported heights

Mean of reported heights = (61+68+57.5+48.5+75+65+80+68+69+63)/10

Mean of reported heights = 655/10

Mean of reported heights = 65.5

2. Calculate the mean of measured heights

Mean of measured heights = (62 + 68 + 56.5 + 47 + 72 + 65 + 78 + 67 + 69.5 + 62.5)/10

Mean of measured heights = 647.5/10

Mean of measured heights = 64.75

3. Get their difference

Difference = Mean of reported heights - Mean of measured heights

Difference = 65.5 - 64.75

Difference = 0,75

Method 2: Calculate the mean of their difference

Mean of difference = Sum of difference / Number of observations

Mean of difference = (-1 + 0 + 1 + 1.5 + 3 + 0 + 2 + 1 – 0.5 + 0.5)/10

Mean of difference = 7.5/10

Mean of difference = 0.75

Note that in both cases, the result is 0,75.

Hence, the reported heights at the school is 0.75 greater than the actual measured height

3 0
3 years ago
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Can some one please help me complete this table?
8_murik_8 [283]

Answer: -1 would be -d

0 -> d

1 -> f

2 -> stays same

(if this is not the right answer I'm sorry because i learned this awhile ago

4 0
2 years ago
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