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Alenkasestr [34]
3 years ago
10

Mr.morales makes a table of the number of chaperones needed for different number of students attending a field trip. the ratio o

f parent chaperones to students is a constant proportion. what is the missing number in Mr.morales table.​
Mathematics
2 answers:
vichka [17]3 years ago
7 0

Answer:

mark brainest

Step-by-step explanation:

Karo-lina-s [1.5K]3 years ago
3 0

Answer: 48

Step-by-step explanation:

Because, its multiplying by 8.

2×8= 16

4×8=32

6×8=48

8×8=64

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Which of the following geometric series converges?
Artist 52 [7]

All three series converge, so the answer is D.

The common ratios for each sequence are (I) -1/9, (II) -1/10, and (III) -1/3.

Consider a geometric sequence with the first term <em>a</em> and common ratio |<em>r</em>| < 1. Then the <em>n</em>-th partial sum (the sum of the first <em>n</em> terms) of the sequence is

S_n=a+ar+ar^2+\cdots+ar^{n-2}+ar^{n-1}

Multiply both sides by <em>r</em> :

rS_n=ar+ar^2+ar^3+\cdots+ar^{n-1}+ar^n

Subtract the latter sum from the first, which eliminates all but the first and last terms:

S_n-rS_n=a-ar^n

Solve for S_n:

(1-r)S_n=a(1-r^n)\implies S_n=\dfrac a{1-r}-\dfrac{ar^n}{1-r}

Then as gets arbitrarily large, the term r^n will converge to 0, leaving us with

S=\displaystyle\lim_{n\to\infty}S_n=\frac a{1-r}

So the given series converge to

(I) -243/(1 + 1/9) = -2187/10

(II) -1.1/(1 + 1/10) = -1

(III) 27/(1 + 1/3) = 18

8 0
3 years ago
Equation that has a slope of -4 and passes through the point (-2, 2) show work too
Alenkinab [10]

Answer:

y=-4x-6

Step-by-step explanation:

y=mx+b, where m is the slope and b is the y-intercept

Slope is given as -4, so:

y=-4x+b

To find b, sub in the point we were given (-2,2):

2=-4(-2)+b

2=8+b

b=2-8=-6

So we have: y=-4x-6

7 0
3 years ago
A recipe calls for 4/5 cup of milk and 1/2 cup of rice. How much more milk than rice is needed?
Norma-Jean [14]

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
The width of a rectangle is 21 meters. The area is 609 square meters. What is the length?
VLD [36.1K]

Step-by-step explanation:

Remember Area = length X Width

7 0
3 years ago
Need help simplifying using factor tree
guajiro [1.7K]
25sqrt7 that’s the answer good luck bro
4 0
3 years ago
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