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3 years ago

Story problem using repeated addition

Mathematics

2 answers:

KATRIN_1 [288]3 years ago

8 0

I had 7 donuts and I was supposed to have 10 so I made 2 more but the I still didn't have 10 so I made 1 more

Elis [28]3 years ago

7 0

How did the flower bloom? The first day, the flower grew a inch, the next day it grew 2inches then on the day after, it grew 3 inches. How many inches did it grow in all?

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During a chemical reaction, the function y=f(t) models the amount of a substance present, in grams, at time t seconds. At the st

PtichkaEL [24]

Answer:

The solution of differential equation =

y = $\boldsymbol{\frac{10}{.2t - 1}}$

Step-by-step explanation:

Given-

y=f(t) models the amount of a substance present, in grams, at time t seconds

when t = 0 then y = 10

the differential equation is

$\boldsymbol{\frac{\mathrm{d} y}{\mathrm{d} t} = -0.02 y^{2}}$

$\frac{\mathrm{d} y}{y^{2}} = -0.02\mathrm{d} t$

Integrate both side

$\int \frac{\mathrm{d} y}{y^{2}} = \int -0.02\mathrm{d} t$

$\frac{y^{-2 + 1}}{-2 + 1} = -.02\times t$ + C

$\frac{- 1 }{y} = -.02\times t + C$

when t = 0 then y = 10

$\frac{- 1 }{10} = -.02\times 0 + C$

C = $\frac{- 1 }{10}$

$\frac{- 1 }{y} = -.02\times t - \frac{ 1 }{10}$

$\frac{ 1 }{y} = .02\times t - \frac{ 1 }{10}$

$\frac{ 1 }{y} = \frac{.2t - 1}{10}$

y = $\frac{10}{.2t - 1}$

5 0

3 years ago

The scale of a map is 3 ft = 84 miles<br> Map:4.5<br> Actual-

Alinara [238K]

Answer:

0.0022369362920544 mile

Step-by-step explanation:

Convert 3.6 Meters to Miles (m to mile) with our conversion calculator and conversion tables. To convert 3.6 m to mile use direct conversion formula below.

3.6 m = 0.0022369362920544 mile.

You also can convert 3.6 Meters to other Length (popular) units.

Please give me Brainliest

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3 years ago

Laura bought 8 pounds of flour for $4. How many dollars did she pay per pound of flour

LenKa [72]

Answer:

.50

Step-by-step explanation:

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3 years ago

Read 2 more answers

Please answer quick in test!

Gnesinka [82]

Answer:

The first one

Step-by-step explanation:

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3 years ago

A line passes through (-3,-5) and (5,-4) write equation in point slope form

Tamiku [17]

Answer:

work is shown and attached

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3 years ago