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Stolb23 [73]
2 years ago
6

A trapezoid has interior angle measures of 90,90 ,75 and X degrees. Find the measure of angle x in the trapezoid. Enter only the

number of degrees in the answer box. Angle x measures degrees.
Mathematics
1 answer:
alexgriva [62]2 years ago
7 0

The angles inside a trapezoid add up to equal 360 degrees

X = 360-90-90-75 = 105 degrees.

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What is the recursive rule for this geometric sequence? 27,  9,  3,  1,  ... Enter your answers in the boxes.
ANEK [815]

Answer:

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

Step-by-step explanation:

A recursive formula is a formula in which each term is based on the previous term.

In a geometric sequence, each term is found by multiplying the previous term by a constant.

To get from 27 to 9, then from 9 to 3, etc., we would multiply by 1/3.  This makes the common ratio 1/3.

The recursive formula for a geometric sequence is

a_n=a_{n-1}(r), where a_n represents the general term,  a_{n-1}, represents the previous term, and r represents the common ratio.

Plugging in our values, we have

a_n=a_{n-1}(r)

We also have to indicate what the first term, a₁, is.  In this sequence, it is 21.  This gives us

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

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3 years ago
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IF A SUBSCRIPTION IS $499 PLUS 8% TAX FOR 30 DAYS, BUT IS BEING PRORATED FOR 7 DAYS, PLUS THERE IS A $10 OFF COUPON, WHAT'S THE
natita [175]

Answer:

$528.12

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499-10

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How to simplify 52 to 24
Mila [183]
Find the GCD (or HCF) of numerator and denominator
GCD of 52 and 24 is 4
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24 ÷ 4
Reduced fraction: 13/6
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svlad2 [7]

Step-by-step explanation:

-3+2y<4x

then

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nika2105 [10]

Answer:

7:3

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think of it as a fraction

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