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3 years ago

PLZ HELP! 10 points

Mathematics

1 answer:

garri49 [273]3 years ago

5 0

Answer:

i believe it is y=4x+1

Step-by-step explanation:

y intercept is 1, slope is up 4 over 1

sorry if im wrong, hope this helps :)

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Find the slope of the line passing through the points (8,-3) and (4,-1)

docker41 [41]

$\rm \to m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$\\ \\$

$\rm \to m = \dfrac{ - 1 - 3}{4 - 8}$

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$\rm \to m = \dfrac{ - 4}{4 - 8}$

$\\ \\$

$\rm \to m = \dfrac{ - 4}{ - 4}$

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$\rm \to m = \cancel \dfrac{ - 4}{ - 4}$

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$\rm \to m = 1$

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2 years ago

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A set of 8 dessert dishes cost $20. what was the cost of each dish

emmainna [20.7K]

$20 / 8 dessert dishes = $2.50

The cost of each dish is $2.50.

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2 years ago

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HELP!! I desperately need help!! I would appreciate if you could show work please!!!

zzz [600]

Answer:

a) 137.9°

b) 12.2° (please refer to explanation because I didn't know what to round to)

Step-by-step explanation:

1a) A supplementary angle will equal 180°, so you must subtract 42.1 from 180

180-42.1 = 137.9

1b) A complementary angle will equal 90°, so you need to use the expression given and add an x for the other part of 90°

8x-20+x = 90

9x-20=90

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2 years ago

What is the solution of this system of linear equations?

Vesnalui [34]

Answer:

is that the number in the middle = then more the -3 to 2x add in you get 1 being y=1 so 1 -3 is 2x

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2 years ago

What are the maximum and minimum of the function f(x) = 0.9|-(x − 5)| + 7?

r-ruslan [8.4K]

Answer:

Maximum value:

the maximum value is $\infty$

Minimum value:

the minimum value is 7

Step-by-step explanation:

We are given function as

$f(x)=0.9|-(x-5)|+7$

Firstly, we will draw graph

we can see the graph

and then we can identify maximum and minimum

Maximum value:

We know that

the largest y-value means maximum value of f(x)

We can see that curve is moving upward

so, the maximum value is $\infty$

Minimum value:

We know that

the smallest y-value means minimum value of f(x)

we can see that

It starts from point (5,7)

so, the minimum value is 7

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3 years ago