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Keith_Richards [23]
3 years ago
15

Solve the proportion. 8/7 = n/9

Mathematics
1 answer:
RoseWind [281]3 years ago
5 0
\frac{8}{7} = \frac{n}{9}

Cross multiply the fractions:

7 \times n = 7n
8 \times 9 = 72

7n = 72

Divide both sides by 7 to get n by itself:

72 \div 7 = 10.28
n = 10.28

The value of n is 10.28.
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a line with a slope of 1 passes through the point (5,10). what is the equation in this slope-intercept form?
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Answer:

y=x+5

Step-by-step explanation:

So first you need to plug everything into the point-slope formula which is

y-y1=m(x-x1)

m being the slope and y1 and x1 being the point (5,10)

So once you plug it in it should look like this: y-10=1(x-5)

Now you solve it

First you need to distribute 1 in 1(x-5) which is (x-5)

Now you have y-10=x-5

Then you add 10 to both sides which is y=x+5

Your answer is y=x+5

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Answer:

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Shtirlitz [24]
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2 years ago
Which expression represents the sixth term in the binomial expansion of (2a - 3b)10?
Ksenya-84 [330]

<u>Answer</u>

2,737,152a⁵b⁵


<u>Explanation</u>

(2a - 3b)¹⁰ = (2a)¹⁰ - 10(2a)⁹(3b) + 47(2a)⁸(3b)² - 144(2a)⁷(3b)³ - 212(2a)⁶(3b)⁴ + 352(2a)⁵(3b)⁵

The 6th term in this expression is 352(2a)⁵(3b)⁵

352(2a)⁵(3b)⁵ = 352 × 2⁵a⁵ × 3⁵b⁵

                         = 352 × 32 ×243 ×a⁵b⁵

                         = 2,737,152a⁵b⁵

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Answer: 18

Step-by-step explanation:

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