3 years ago

Which of these points lies on the line described by the equation

Mathematics

1 answer:

Alisiya [41]3 years ago

7 0

Answer:

The answer should be: D. (7,5)

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A seventh-grade class sells gift cards as a fundraiser for the school library. Each gift card sells for $15.00. The library gets

Goryan [66]

The library gets 2625 dollars. If gift cards are 15 dollars and they sell 500 then they made 7,500 dollars and 35% of that is 2625 dollars

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3 years ago

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Which equation, in slope-intercept form, passes through (–2, 4) and has a

kipiarov [429]

Answer:

y=3x+10

Step-by-step explanation:

First, put the equation into point-slope form.

y-y1=m(x-x1)

y-4=3(x+2)

Next, distribute 3 to (x+2) and simplify.

y-4=3x+6

y=3x+10

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3 years ago

Which is the best approximation for the value of √102? A.10 B.11 C.50 D.51

Trava [24]

10, because when you use a scientific calculator you get 10.09950494
which would be round to 10 because after the decimal the number is 0 below 5 so 10 stays as 10

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3 years ago

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A culture is grown with a population of 45 million cells. The cell population is found to double every hour. What will the popul

Alexandra [31]

45 million * $2^{4}$ = 45million * 16 = 720million

Or you can use
$y=Ae^{kt}$
A is equal to 45 million
To find the rate, k, we can plug in:
$90million=45million*e^{k*1}
$
$2=e^{k}$
$k=ln(2)$
$y=4.5*10^{7}*e^{t *ln2}$
Knowing that t = 4
$y = 4.5*10^{7}*e^{ln(2)*4}
$
$y = 720 million$

6 0

3 years ago

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2.5 km= M Help me please

nordsb [41]

Answer:

2,500

Step-by-step explanation:

Have a good day :)

7 0

3 years ago