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ioda
3 years ago
11

If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ?

Mathematics
1 answer:
Natalija [7]3 years ago
7 0

Answer:

Step-by-step explanation:

it remains the same as mean will also increase by 3

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Answer:

144

Step-by-step explanation:

12x12=144

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You deposit $ 1200 in an account. The annual interest rate is 3%. How long will it take you to earn $108 in simple interest?
alukav5142 [94]
The correct answer is 3
5 0
3 years ago
HELP PLEASE ASAP<br> I will mark brainliest if you explain
scoray [572]

Answer:

y - 5, (x, y) - (0,5)

3 0
2 years ago
Solve the system of equations by using the addition method
Paha777 [63]
How do you solve this system of equations using the addition method:
4
x
−
y
=
−
4
;
5
x
+
2
y
=
−
18
?
Algebra
1 Answer


IDKwhatName
Jun 30, 2017
x
=
−
2
,
y
=
−
4
Explanation:
Right now, you have:
4
x
−
y
=
−
4

5
x
+
2
y
=
−
18
To make this easier, you must get rid of one variable, in this case I will remove
y
, to do this you must make the y-values in both equations the same.
To do this, I will multiply the whole of
4
x
−
y
=
−
4
by 2 to give
8
x
−
2
y
=
−
8
We now have:
8
x
−
2
y
=
−
8

5
z
+
2
y
=
−
18
All we need to do now is
(
8
x
−
2
y
+
5
x
+
2
y
)
=
(
−
18
−
8
)
≡
13
x
=
−
26
.
Divide both sides by 13 to find
x
:
13
x
=
−
26

13
x
13
=
−
26
13

x
=
−
2
Now put your value for
x
into either equation:
4
(
−
2
)
−
y
=
−
4

−
8
−
y
=
−
4

y
=
−
8
+
4

y
=
−
4
x
=
−
2
;
y
=
−
4
Answer link
7 0
3 years ago
2 2/3 * 3/4 answer that ​
Nataly_w [17]

answer = 2

You can just use a calculator unless you need to show your work

5 0
3 years ago
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