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Alexandra [31]
4 years ago
7

HELP DUE TODAY!!! ILL GIVE BRANLIST!!

Mathematics
1 answer:
steposvetlana [31]4 years ago
7 0

Answer: a. 1) we can scale a rate by the reciprocal of its 2nd term to find the unit rate..This makes sense as we know with rates we can divide and that dividing is equivalent to multiplying by the reciprocal.

b. 2) To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate.

a. 2) what we need to know to solve the problem is first the given fractions 3/4 and 1/5 and 2/3 and 1/6. and we need to find what we need to do to those which is division.

Step-by-step explanation:

THE WORKING PART.....

Jaylon... 3/4 ÷ 1/5 = 3/4 × 5/1 is equal to 15/4 or 3 /34

Rene... 2/3 ÷ 1/6 = 2/3 6/1 is equal to 4 (A whole number

I REALLLYYY HOPEE THIS HOPES THIS HELPS. and feel free to brainliest. and friend me if you wanna

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___sides of equal length
emmainna [20.7K]

Answer:

__2_sides of equal length

__2_acute angels

__0_right angle(s)

_1__obtuse angle

The triangle is _isosceles____and_obtuse____.

Step-by-step explanation:

if this is the right triangle the longest side will be √162≈ 12.7

the longest side is 15 so the vertex angle is obtuse

6 0
3 years ago
Kelsey measured 1/8 cup of onsona, 3/7 of celery, and 5/9 cup of catrots How many cups of vegetables did Kelsey measure out for
Scrat [10]

Answer:

1  1/10 cups.

Step-by-step explanation:

1/8 + 3/7 + 5/9

= 559/504

or approximately  1 1/10 cups.

3 0
3 years ago
Let c be a positive number. A differential equation of the form dy/dt=ky^1+c where k is a positive constant, is called a doomsda
stich3 [128]

Answer:

The doomsday is 146 days

<em></em>

Step-by-step explanation:

Given

\frac{dy}{dt} = ky^{1 +c}

First, we calculate the solution that satisfies the initial solution

Multiply both sides by

\frac{dt}{y^{1+c}}

\frac{dt}{y^{1+c}} * \frac{dy}{dt} = ky^{1 +c} * \frac{dt}{y^{1+c}}

\frac{dy}{y^{1+c}}  = k\ dt

Take integral of both sides

\int \frac{dy}{y^{1+c}}  = \int k\ dt

\int y^{-1-c}\ dy  = \int k\ dt

\int y^{-1-c}\ dy  = k\int\ dt

Integrate

\frac{y^{-1-c+1}}{-1-c+1} = kt+C

-\frac{y^{-c}}{c} = kt+C

To find c; let t= 0

-\frac{y_0^{-c}}{c} = k*0+C

-\frac{y_0^{-c}}{c} = C

C =-\frac{y_0^{-c}}{c}

Substitute C =-\frac{y_0^{-c}}{c} in -\frac{y^{-c}}{c} = kt+C

-\frac{y^{-c}}{c} = kt-\frac{y_0^{-c}}{c}

Multiply through by -c

y^{-c} = -ckt+y_0^{-c}

Take exponents of -c^{-1

y^{-c*-c^{-1}} = [-ckt+y_0^{-c}]^{-c^{-1}

y = [-ckt+y_0^{-c}]^{-c^{-1}

y = [-ckt+y_0^{-c}]^{-\frac{1}{c}}

i.e.

y(t) = [-ckt+y_0^{-c}]^{-\frac{1}{c}}

Next:

t= 3 i.e. 3 months

y_0 = 2 --- initial number of breeds

So, we have:

y(3) = [-ck * 3+2^{-c}]^{-\frac{1}{c}}

-----------------------------------------------------------------------------

We have the growth term to be: ky^{1.01}

This implies that:

ky^{1.01} = ky^{1+c}

By comparison:

1.01 = 1 + c

c = 1.01 - 1 = 0.01

y(3) = 16 --- 16 rabbits after 3 months:

-----------------------------------------------------------------------------

y(3) = [-ck * 3+2^{-c}]^{-\frac{1}{c}}

16 = [-0.01 * 3 * k + 2^{-0.01}]^{\frac{-1}{0.01}}

16 = [-0.03 * k + 2^{-0.01}]^{-100}

16 = [-0.03 k + 0.9931]^{-100}

Take -1/100th root of both sides

16^{-1/100} = -0.03k + 0.9931

0.9727 = -0.03k + 0.9931

0.03k= - 0.9727 + 0.9931

0.03k= 0.0204

k= \frac{0.0204}{0.03}

k= 0.68

Recall that:

-\frac{y^{-c}}{c} = kt+C

This implies that:

\frac{y_0^{-c}}{c} = kT

Make T the subject

T = \frac{y_0^{-c}}{kc}

Substitute: k= 0.68, c = 0.01 and y_0 = 2

T = \frac{2^{-0.01}}{0.68 * 0.01}

T = \frac{2^{-0.01}}{0.0068}

T = \frac{0.9931}{0.0068}

T = 146.04

<em>The doomsday is 146 days</em>

4 0
3 years ago
Y=x+8 y=9x+72 substitution
irina [24]
(Y,X) = (72,8)
I think this is the right answer it has been a while since I had math sorry. Hope this helps
7 0
3 years ago
Need this for homework plz help me due by 3:30
bagirrra123 [75]

Answer:

1. pi*3^2=9pi <------ you can replace pi with 3.14 or 22/7 by multiplying

2. pi*d/2 ^2= pi*16=16pi

3. The square root of 78.5/pi should be the radius

4. 100pi

5. square root of 3.14/pi

6. 16pi

7. 36pi

8. 81pi

Step-by-step explanation:

5 0
3 years ago
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