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2 years ago

14

A linear function has a slope of -7/9 and a y-intercept of 3. How does this function compare to the linear function that is repr

esented by the equation y+11=-7/9(x-18)

2 answers:

sergij07 [2.7K]2 years ago

8 0

Answer:

A

Step-by-step explanation:

it has the same slope and the same y-intercept

Dmitriy789 [7]2 years ago

4 0

The answer is that they're equal, one is just in point-slope form and the other is in slope-intercept form

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It's an acute angle because it's smaller than 90 degrees and isn't a straight line.

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2 years ago

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Need the answers to these questions please

Katena32 [7]

Answer:

a) $p = 88\,cm$ , b) $p = 24\,cm$ , c) $p \approx 25.424\,m$ , d) $p \approx 39.368\,cm$

Step-by-step explanation:

a) The perimeter is the sum of the three sides of the internal square and the remaining sides of the external rectangle, that is:

$p = 3\times 8\,cm + 2\times 4\,cm +2\times 20\,cm + 16\,cm$

$p = 88\,cm$

b) The perimeter is the sum of the two sides of the internal triangle and the remaining sides of the external rectangle, that is:

$p = 2\times 4\,cm + 2\times 6\,cm + 4\,cm$

$p = 24\,cm$

c) The perimeter is the sum of the two sides of the circular section and the three sides of the lower rectangle, that is:

$p = \frac{\pi}{2}\times 6\,cm + 8\,cm + 6\,cm + 2\,cm$

$p \approx 25.424\,m$

d) The perimeter is the sum of the external sides of the triangle and rectangle, that is:

$p = 10\,cm + 12\,cm + 12\,cm + 12\,cm - \sqrt{(12\,cm)^{2}-(10\,cm)^{2}}$

$p \approx 39.368\,cm$

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2 years ago

What is -390 = 26c=52?

Alexandra [31]

Answer:

i think im not sure but try c= -35

Step-by-step explanation:

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2 years ago

*****PLEASE HELP******

ruslelena [56]

Answer:

O B. f(x) = 2^x

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2 years ago

Sample information: 24 out of 1000 people who were surveyed had type 2 diabetes. Use the above sample information and construct

notka56 [123]

Solution :

The sample proportion $(\hat p)=\frac{24}{1000}$

= 0.024

<u>90% confidence interval </u>

The standard deviation = $\sqrt{\frac{\hat p(1-\hat p)}{n}$

= $\sqrt{\frac{0.024(1-0.024)}{1000}$

= 0.00484

z = 1.645 for 90% CI

Upper band = 0.024 + (0.00484 x 1.645 ) = 0.03196

Lower band = 0.024 - (0.00484 x 1.645 ) = 0.01603

Therefore, the 90% CI is (0.016, 0.032)

<u />

<u>99% confidence interval </u>

z = 2.576 for 99% CI

Upper band = 0.024 + (2.576 x 0.00484 ) = 0.0365

Lower band = 0.024 - (2.576 x 0.00484 ) = -0.0115

Therefore, the 99% CI is (0.0115, 0.0365)

5 0

2 years ago