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kirill [66]
3 years ago
10

ALGEBRA I /// Relations and Functions help!!! pls

Mathematics
1 answer:
Volgvan3 years ago
5 0
Place the x values (if there are two of the same x value you only include it once) in the first box vertically like:
5
-3
6
2
Place the y values (if there are two of the same y values only include it once) in the 2nd box vertically like:
1.2
7
-3
Now draw lines from your x values to their corresponding y values.
A function may NOT have two y-values assigned to the same x-value, but it may have two x-values assigned to the same y-value.
So this is a function!
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PLEASE PLEASE PLEASE HELP!! seriously, i'm behind and i have til monday to make it up ///:
liberstina [14]
I'm not 100% sure, as we don't do this at school here, but I think its :
1) 3 units right, 2 units down
2) (x, y) > (x-12, y+3)
3) (x, y) > (x+9, y-8)
7 0
3 years ago
Do the standard deviations satisfy the guidelines for the use of ANOVA? No, because the largest standard deviation is less than
sergey [27]

Answer:

No, because the largest standard deviation is more than twice the smallest standard deviation.

Step-by-step explanation:

Okay, so the standard deviation for each of the sample is given as;

NHES II study = 2.486, NHANES II study = 2.408 and NHANES study = 5.851.

In order to determine whether the standard deviations satisfy the guidelines for the use of ANOVA, one of the conditions for anova for sample standard deviations must be considered that is;

'' the value of the sample standard deviations should not be times two of the smallest standard deviation."

In which if we have; highest sample standard deviations / smallest standard deviation < 2, Then, population variance is equal.

4 0
3 years ago
Solve the simultaneous equations<br> x + 7y = 15<br> x + 2y = 5
Juliette [100K]

Answer:

x=1, y=2

Step-by-step explanation:

x + 7y = 15

x + 2y = 5

Subtract the two equations

x + 7y = 15

-x - 2y =- 5

------------------------

0x +5y = 10

Divide by 5

5y/5 = 10/5

y =2

Now find x

x+2y = 5

x +2(2) = 5

x +4 = 5

Subtract 4 from each side

x-4+4 = 5-4

x = 1

3 0
3 years ago
Read 2 more answers
HELP ASAP the proportion a is to b as w is to x can correctly be expressed as​
mojhsa [17]

Answer:

a is to b,

a : b

w is to x,

w : x

a is to b as w is to x,

a : b : : w : x

In fraction form,

a/b = w/x

6 0
2 years ago
Which shows 42^2 − 38^2 being evaluated using the difference of perfect squares method?
Basile [38]

Answer:

D

Step-by-step explanation:

a²  - b² ← is a difference of squares and is factored in general as

(a + b)(a - b)

42² - 38² ← is a difference of squares and factors as

42² - 38² = (42 + 38)(42 - 38) = 80(4) = 320 → D

3 0
3 years ago
Read 2 more answers
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