3 years ago

GIVING BRAINLIEST FOR FIRST. Pls answer in BOTH BOXES.

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

8 0

Answer:

(y=2x-3)(y=2x-2)

Step-by-step explanation:

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Solve for x.<br><br> x+3.2=−3.5<br><br> (Any help at all is greatly appreciated!)

Maksim231197 [3]

You have to subtract 3.2 from 3.5 to get x. 0.3+ 3.2=2.5 so x=0.3

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3 years ago

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Marco is carrying two cylinder-shaped cans. Each can has the same height

Dafna11 [192]

Answer:

Choice D

Step-by-step explanation:

The Cavalieri's principle states that if two or more solids have identical cross-sectional area as well as height, then the solids will have equal volume.

Therefore, the volumes of the cylinders are the same

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3 years ago

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Here is 93 points but answer this please If x = 4, what is the value of x3 + x - 5?

Luda [366]

Answer:

Step-by-step explanation:

x3+x-5

3*4=12

12+4-5

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pls i REALLY need brainliest

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2 years ago

300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300 students, 200 have a do

Ad libitum [116K]

Answer:

C) ½

Step-by-step explanation:

P(C and D) = 150/300

= ½

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4 years ago

number of bacteria in a certain population Increases according to a continuous exponential growth model with How many hours does

vladimir1956 [14]

Answer:

It takes 1.77 hours for the population to double.

Step-by-step explanation:

Equation for population growth:

The equation for population growth, after t hours, with a growth rate parameter of r, as a decimal, is given by:

$P(t) = P(0)(1+r)^t$

Growth rato parameter of 48% per hour

This means that $r = 0.48$ . So

$P(t) = P(0)(1+r)^t$

$P(t) = P(0)(1+0.48)^t$

$P(t) = P(0)(1.48)^t$

How many hours does it take the size of the sample to double?

This is t for which P(t) = 2P(0). So

$P(t) = P(0)(1.48)^t$

$2P(0) = P(0)(1.48)^t$

$(1.48)^t = 2$

$\log{(1.48)^t} = \log{2}$

$t\log{1.48} = \log{2}$

$t = \frac{\log{2}}{\log{1.48}}$

$t = 1.77$

It takes 1.77 hours for the population to double.

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3 years ago