2 years ago

33 folders cost \$2.91$2.91dollar sign, 2, point, 91.

Mathematics

1 answer:

vlada-n [284]2 years ago

6 0

Answer:

The answer is 646.02 tell me if you need an explaination

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The number of students in an school building that have the flu after t days is given by the function

gulaghasi [49]

Step-by-step explanation:

$p(0) = \frac{800}{1 + 49 {e}^{ - 0.2 \times 0} } = \frac{800}{1 + 49} = \frac{800}{50} = 16$

$200 = \frac{800}{1 + 49 {e}^{ - 0.2t} } \\ 200(1 + 49 {e}^{ - 0.2t} ) = 800 \\ 200 + 9800 {e}^{ - 0.2t} = 800 \\ 9800 {e}^{ - 0.2t} = 600 \\ {e}^{ - 0.2t} = \frac{3}{49} \\ ln( {e}^{ - 0.2t} ) = ln( \frac{3}{49} ) \\ - 0.2t = - 2.793 \\ t = 13.96 = 14$

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3 years ago

Help me asap (please please)

CaHeK987 [17]

Area of a circle = pi*r^2.

Here, A = 380.13 mi. Unfortunately, "mi" is NOT a unit of area.

So I will assume that the problem should read A = 380.13 sq. miles.
380.12 mi^2
Thus, 380.13 mi^2 = 3.14*r^2, and r^2 = ------------------- 121.057 mi^2
3.14

The radius is the sqrt of 121.057 mi^2: 11.00 miles.

The diam. is twice that, or d = 22.00 miles.

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3 years ago

How do if find y=-3x+10 and y=-2+6?

Len [333]

Yep the other one is right it is (4,-2)

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2 years ago

Ms Baker paid 2.50 for 5 lb of bananas write an equation relating the cost c to the number of pounds p of bananas how much would

vfiekz [6]

Mrs. Baker would of paid
$
4.00
for 8 pounds of bananas.

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2 years ago