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2 years ago

For a test, please and thank you!

Mathematics

1 answer:

Daniel [21]2 years ago

7 0

Ans: A, you’re correct

(f-g)(x) = f(x)-g(x)
6x3-4-(2x+2)
=6x3-4-2x-2= 6x3-2x-6

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Select all equations that have two solutions. a x^2=16 b 4x^2=0 c x^2=-16 d 3x+2=14 e x^2-1=24 f (x+8)(x-8)=0

never [62]

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a )

${x}^{2} = 16$

$x = ± \: 4$

Two solutions.

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b )

$4 {x}^{2} = 0$

$x = 0$

One solution .

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c )

${x}^{2} = - 16$

$No \: \: solution.$

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d )

$3x + 2 = 14$

$x = 4$

One solution.

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e )

${x}^{2} - 1 = 24$

${x}^{2} = 25$

$x =± \: 5$

Two solutions.

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f )

$(x + 8)(x - 8) = 0$

$x = - 8 \: \: or \: \: x = 8$

Two solutions .

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2 years ago

Joe's Burger Barn sold 42 hot dogs, 48 burgers, 60 cheeseburgers, and 54 fries. What is the ratio of fries to all items sold at

zepelin [54]

54•150,I think that’s the way to do it,let me know if I’m wrong.

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3 years ago

Read 2 more answers

I need help very fast please!

postnew [5]

I’m not sure maybe D

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2 years ago

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aniked [119]

Answer:

Krutika

Step-by-step explanation:

Lets convert each person's typing rate to words/min.

Krutika:

80 minutes = 6000 words

1 minute = (6000/80) words

= 75 words

Typing Rate: 75 words / min

Mark:

60 minutes = 4200 words

1 minute = (4200/60) words

= 70 words

Typing Rate: 70 words / min

David:

90 minutes = 5850 words

1 minute = (5850/90) words

= 65 words

Typing Rate: 65 words / min

From the above, we can see Krutika has the fastest rate of words per minute.

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1 year ago

Y equals 8 X equals 575 Solve for slope intercept y equals mx + b

zhannawk [14.2K]

y = 8

x = 575

We want to solve for b in the slope-intercept form y = mx + b.

To complete this problem, we need the value of m, the slope. If you know m, then just plug into y = mx + b this way:

8 = 575m + b

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2 years ago