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ser-zykov [4K]
3 years ago
9

Write a variable expression to describe the rule for the sequence. Then find the 100th term in the sequence. –4, 1, 6, 11, 16, .

. .
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

a+(n-1)d

Step-by-step explanation:

491

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What is 9,200 equal in hundreds
cestrela7 [59]
9,200 contains 92 hundreds.
Explanation:
One hundred can go into 9200 92 times
(9,200 % 100)
5 0
3 years ago
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At what rate was an investment made that obtains $125.37 on $597 over three years?
Serjik [45]
I use simple annual interest to solve the problem

<span>$125.37 -------------------------------- 3 years
X-------------------------------------------> 1 year
X=125.37/3=</span>$41.79/ year

<span>$597--------------------->100%
</span>$41.79---------------------X%

X=41.79*100/597=7%
 The rate was 7%
5 0
4 years ago
The endpoints of the diameter of a circle are (-7.3) and (5.1). What is the center of the circle?
Minchanka [31]

Check the picture below.

since we know the endpoints of the diameter of the circle, then we can simply get the midpoint of those endpoints and that'd be the center,

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{-7}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{1}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{5-7}{2}~~,~~\cfrac{1+3}{2} \right)\implies \left( \cfrac{-2}{2}~~,~~\cfrac{4}{2} \right)\implies (-1~~,~~2)

4 0
3 years ago
For what values of x is f(x) = square root of x-4 equal to 4?
zaharov [31]

Answer:

x = 20

Step-by-step explanation:

given f(x) = \sqrt{x-4}, we have to solve

\sqrt{x-4} = 4

Square both sides

(\sqrt{x-4})² = 4²

x - 4 = 16 ( add 4 to both sides )

x = 20

As a check

\sqrt{20-4} = \sqrt{16} = 4 ← correct




3 0
4 years ago
A person's blood glucose level and diabetes are closely related. Let x be a random variable measured in milligrams of glucose pe
qwelly [4]

Answer:

0.85083 ; 0.83147 ; 0.6823 ; 0.015386

Step-by-step explanation:

Given that:

σ = 25

μ = 86

(a) x is more than 60

P(x > 60)

obtain standardized score (Zscore)

Zscore = (x - μ) / σ

Z = (60 - 86) /25

Z = - 1.04

P(Z > - 1.04) = 0.85083 (Z probability calculator)

(b) x is less than 110

P(x < 110)

obtain standardized score (Zscore)

Zscore = (x - μ) / σ

Z = (110 - 86) /25

Z = 0.96

P(Z < 0.96) = 0.83147 (Z probability calculator)

(c) x is between 60 and 110

P(x < 110) - P(x < 60)

P(Z < 0.96) - P(Z < - 1.04)

0.83147 - 0.14917

= 0.6823

(d) x is greater than 140

P(x > 140)

obtain standardized score (Zscore)

Zscore = (x - μ) / σ

Z = (140 - 86) /25

Z = 2.16

P(Z > 2.16) = 0.015386 (Z probability calculator)

7 0
3 years ago
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