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wel
3 years ago
9

Type the expression that results from the following series of steps: Start with t times by 5.

Mathematics
1 answer:
sladkih [1.3K]3 years ago
4 0

Answer:

t times 5 is t * 5 or 5t.

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Find the area of the shape shown below.
Rama09 [41]

Answer:

81

Step-by-step explanation:

7 0
3 years ago
A geometric sequence is defined by the equation an = (3)3 − n.
Delvig [45]
PART A

The geometric sequence is defined by the equation

a_{n}=3^{3-n}

To find the first three terms, we put n=1,2,3

When n=1,

a_{1}=3^{3-1}

a_{1}=3^{2}

a_{1}=9
When n=2,

a_{2}=3^{3-2}
a_{2}=3^{1}

a_{2}=3

When n=3

a_{3}=3^{3-3}

a_{3}=3^{0}
a_{1}=1
The first three terms are,

9,3,1

PART B

The common ratio can be found using any two consecutive terms.

The common ratio is given by,
r= \frac{a_{2}}{a_{1}}
r = \frac{3}{9}

r = \frac{1}{3}

PART C

To find
a_{11}

We substitute n=11 into the equation of the geometric sequence.

a_{11} = {3}^{3 - 11}

This implies that,

a_{11} = {3}^{ - 8}

a_{11} = \frac{1}{ {3}^{8} }

a_{11}=\frac{1}{6561}
4 0
3 years ago
Michael will be running a 15 mile road race this weekend how many feet will he run
sergij07 [2.7K]

Answer:

79,200

Step-by-step explanation:

There are 5280 feet in 1 mile, then you just multiply 5280 by the number of miles (15). So 5280 x 15 = 79,200

5 0
3 years ago
Read 2 more answers
A tree 5 ft tall grows an average of 8 in. each year. Write an equation to model the tree's height h in inches after y years.
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5 + (8*y) = h 

This was the best I could think of, please let me know if I'm wrong.
4 0
3 years ago
A local donut shop charged $6.50 for a dozen and provided a coupon in the newspaper for $1.50
marusya05 [52]
The red one y=6.50x-0.75
3 0
3 years ago
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