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4 years ago

Need help really bad

Mathematics

2 answers:

forsale [732]4 years ago

8 0

Answer:

Step-by-step explanation:

just add

chubhunter [2.5K]4 years ago

8 0

Answer:

When xy are zero multiply by 1.33 and we will find y only if x =70

So the linear function will be

y = 90/0 = 0 = y = x/0

y = 90/2 = 2 = y = x/2

y = 90/4 = 4 = y = x/4

y = 90/8 = 6 = y = x/8

x=90 y = 60 when both = 0

Or we can reverse and do x2+2 and call train f(x) and train = x = 90.

Step-by-step explanation:

70/90 = 0.77 = 70 x 1.33 = 90 as a fraction percentage 77%

60/45= 1.33 = 70 x 1.33 = 90 / 2 = 45 ( and as 22.5 as a fraction percentage 133/3%)

50/22.5=2.22 = 70 x 1.33 = 90/4 = 22.5 as a fraction percentage 222.2%

40/11.25=3.55 = 70 x 1.33 = 90 /8 = 11.25 as a fraction percentage= 355.5%

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The third, fifth and eighth terms of an AP are the first 3 consecutive terms of a GP. Given that the first term of the AP is 8,

Damm [24]

Answer:

The common difference = 2.

Step-by-step explanation:

An AP can be written as a1, a1 + d, a1 + 2d, a1 + 3d, a1 + 4d, a1 + 5d, a1 + 6d , a1 + 7d.

where a1 = first term and d is the common difference.

Here first term = a1 = 8

3rd term = a1 + 2d = 8 + 2d

5th term = a1 + 4d = 8 + 4d

8th term = 8 + 7d

First 3 terms of a GP are a , ar and ar^2

So from the given information:

a = 8 + 2d

ar = 8 + 4d

ar^2= 8 + 7d

Dividing the second equation by the first we have

r = (8 + 4d)/(8 + 2d)

Dividing the third by the second:

r = (8 + 7d) / (8 + 4d)

Therefore, eliminating r we have:

(8 + 4d)/(8 + 2d) = (8 + 7d)/(8 + 4d)

(8 + 4d)^2 = (8 + 2d)(8 + 7d)

64 + 64d + 16d^2 = 64 + 72d^ + 14d^2

2d^2 - 8d = 0

2d(d^2 - 4) = 0

2d = 0 or d^2 = 4, so

d = 0, 2.

The common difference can't be zero so it must be 2.

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3 years ago

What is the final amount if 1010 is decreased by 6% followed by a further 9% decrease?

maw [93]

Answer:

863.95

Step-by-step explanation:

1010×0.94=949.4

949.4×0.91=863.954

863.95

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4 years ago

4. What kind of triangle is made by connecting the points A(0, –6), B(3, –6), and C(3, –2)?

Firdavs [7]

Answer:

Part 4) Right triangle

Part 5) Kite

Step-by-step explanation:

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Using a graphing tool

see the attached figure N $1$

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The triangle of the figure is a right triangle------>The triangle has an angle of $90\°$

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The triangle of the figure is not a right and isosceles

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Using a graphing tool

see the attached figure N $2$

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3 years ago

Suppose legislation requiring the Fed to keep the inflation rate between 1.5% and 2.5% per year is passed by Congress. This law

Alborosie

Answer:

goal independence.

Step-by-step explanation:

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4 years ago

Find the variable in xy=6b

Mkey [24]

Xy=6b
/y . /y
x=6by
that is the answer because there is no true answer

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3 years ago

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