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Thepotemich [5.8K]
3 years ago
7

5)

Mathematics
2 answers:
vlada-n [284]3 years ago
7 0

Answer:

D) 26th

Step-by-step explanation:

Let a = the first term, n = the nth term, d = the difference between each term, and l = the last term. Use the formula a + (n - 1)d. Plug in the values and solve. 227 = 2 + (n - 1)(9), 225 = (n - 1)(9), n = 26.

AfilCa [17]3 years ago
4 0
The closest answer would be 25 but there isn’t an exact answer here because it would be a few decimal points off
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Three distributions, labeled (a), (b), and (c), are represented below by their histograms. Each distribution is symmetrical and
Neporo4naja [7]

Answer:

order is

αb<αc<αa

Step-by-step explanation:

in a )

number 4 and number  12 are showing 3 bullets while number 7 and 9 showing 2 bullets hence

standard deviation for a=3-2=1

in b)

number 4 ,7,9 and number  12 are showing 2 bullets while number 3 and 13 showing 1 bullet hence

standard deviation for a=2-1=1

in c)

number 4 ,7,9 and number  12 are showing 2 bullets while number 5 and 11 showing 1 bullet hence

standard deviation for a=2-1=1

order isαb<αc<αa


6 0
3 years ago
Determine whether f(x) = –5x^2 – 10x + 6 has a maximum or a minimum value. Find that value and explain how you know.
polet [3.4K]

Answer:

The vertex is the point (-1,11). is a maximum

Step-by-step explanation:

we know that

The equation of a vertical parabola in vertex form is equal to

f(x)=a(x-h)^{2}+k

where

(h,k) is the vertex

a is a coefficient

if a > 0 the parabola open upward and the vertex is a minimum

if a < 0 the parabola open downward and the vertex is a maximum

we have

f(x)=-5x^{2}-10x+6

Convert to vertex form

Complete the square

f(x)-6=-5x^{2}-10x

Factor the leading coefficient

f(x)-6=-5(x^{2}+2x)

f(x)-6-5=-5(x^{2}+2x+1)

f(x)-11=-5(x^{2}+2x+1)

Rewrite as perfect squares

f(x)-11=-5(x+1)^{2}

f(x)=-5(x+1)^{2}+11

The vertex is the point (-1,11)

The coefficient a=-5

so

a < 0 the parabola open downward and the vertex is a maximum

5 0
4 years ago
The question is below:
hoa [83]

Answer:

D.

Step-by-step explanation:

The original antenna revolves at a rate of 30 per 2 minutes, or 15 per minute.

Twice as fast = 15 X 2 = 30 per minute

Only the data in Table D fits.

660 / 22 = 30

720 / 24 = 30

6 0
2 years ago
I am about to go on trip help
blagie [28]

Answer:

1 inch = 8 miles

112÷14=8, so one inch is 8 miles.

6 0
3 years ago
Read 2 more answers
If x+y=12 and xy=27 . find x^3+y^3<br>pls help with steps ​
Ivan

Answer:

Step-by-step explanation:

use formula

x^3+y^3=(x+y)^3-3*x*y(x+y)

=12^3-3*27(12)

=1728-972

=756

8 0
3 years ago
Read 2 more answers
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