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SVETLANKA909090 [29]
3 years ago
9

Find r(7) for the function r(n) = 0.009n

Mathematics
1 answer:
Semmy [17]3 years ago
6 0
R(7)=????

r(n)=0.009n    s0 n=7

r(7)=0.009(7)

r(7)=0.063
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ILL GIVE BRAINLIEST<br> 1 x/3 - 3/4= 5/12<br> solve for x
mel-nik [20]
X/3 - 3/4 = 5/2
x/3 = 3.25
x= 9.75 Or 9 3/4
4 0
1 year ago
Let t(x) = 3x-8 and s(t(x)) = x^2 + 3x - 2. Find s(1).
ratelena [41]
<h3>Answer:  16</h3>

=============================================================

Explanation:

Equate s(t(x)) and s(1) to find that t(x) = 1 must be the case.

Let's find what x must be.

t(x) = 3x-8

1 = 3x-8

1+8 = 3x

9 = 3x

3x = 9

x = 9/3

x = 3

So plugging x = 3 into t(x) gets us t(x) = 1

In other words, t(3) = 1

So that tells us s(t(3)) = s(1)

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

Let's plug x = 3 into the s(t(x)) equation

s(t(x)) = x^2 + 3x - 2

s(t(3)) = (3)^2 + 3(3) - 2

s(1) = 9 + 3(3) - 2

s(1) = 9 + 9 - 2

s(1) = 18 - 2

s(1) = 16

7 0
3 years ago
In the diagram below, which distances would need to be the same in order for point A to be on the bisector of angle W? Explain w
Pachacha [2.7K]

Answer:

PA = XA

Step-by-step explanation:

Construction of an angle bisector,

1). Mark an arc from point W with the help of a compass which intersect lines WS and WZ at the points P and X respectively.

2). Marc two arcs of the same length form the points P and X which intersect each other at a point A.

3). Joint the points A and W.

Thus AW will be the angle bisector of angle PWX where PA = XA.

Therefore, distances PA and XA will be equal in measure.

4 0
3 years ago
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telo118 [61]
FOIL
First = 6x(2x) = 12x
Outside = 6x(-3) = -18x
Inside = -5(2x) = -10x
Last = -5(-3) = 15
12x - 18x - 10x + 15
12x - 28 + 15
-16x + 15

Hope this helps =)
3 0
3 years ago
Read 2 more answers
Simplify the expression to a + bi form
Gnesinka [82]

-√4 + √(-48) + √121 + √(-108)

= -√(2²) + √(-1 • 3 • 4²) + √(11²) + √(-1 • 2² • 3³)

= -2 + 4√3 i + 11 + 6√3 i

= 9 + 10√3 i

4 0
2 years ago
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