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3 years ago

Help!!!! please!!!!!

Mathematics

2 answers:

miss Akunina [59]3 years ago

8 0

Answer:

Hey!

Your answer is definitely RECTANGLE!

Step-by-step explanation:

Hope this helps!

charle [14.2K]3 years ago

6 0

Answer:

Hey there!

The correct answer would be a rectangle.

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Write an equation and solve:

Lana71 [14]

Answer:

equation ---> 120+10(m)=150+4(m)

m= number of months

(By the way the answer would be 5 months)

Step-by-step explanation:

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3 years ago

Seven more than twice a number is 7

NeX [460]

Answer:

Step-by-step explanation:

0 × , or 0² is 0, and 0 + 7 is 7. Hope this helps!

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3 years ago

Find the surface area of the closed hemisphere

V125BC [204]

Diameter = 8 yards so the Radius = 4 yards:

Area of a sphere = 4π.R² and hemisphere = 2π.R²

Area of hemisphere = 2.π.(4)² = 32.π
But note we didn't calculate yet the are that closes this hemisphere:
Area of the cicle = π.R² = π.(4)² = 16.π, so the surface area of the hemisphere is 32π + 16π = 48.π (Or =150.8 yard²)

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4 years ago

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How many meters is the foot of the ladder from the wall? Round your final answer to the nearest tenth.

Alex Ar [27]

Answer:

Step-by-step explanation:

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3 years ago

In this exercise, we estimate the rate at which the total personal income is rising in the Richmond-Petersburg, Virginia, metrop

babymother [125]

Answer:

The rate at which the total income is increasing is$1627415600

Step-by-step explanation:

From the given data

Population in the area=P=961400

The rate of increase in population=dP/dt=9200

The Average Income=I=$30593

The rate of increase in Average Income=dI/dt=$1400

Now the total income is given as

Total Income=TI=PI

So the rate of increase of total personal income is given as $\frac{d}{dt}(PI)$

From the product rule of derivatives

$\frac{d}{dt}(P*I)=I*\frac{dP}{dt}+P*\frac{dI}{dt}$

Here

I is the Average Income which is given as $30593

dI/dt is the rate of increase of income which is given as $1400.

P is the population of the area which is given as 961400

dP/dt=9200 is the rate of increase of population which is given as 9200

By substituting the values,

$\frac{d}{dt}(P*I)=I*\frac{dP}{dt}+P*\frac{dI}{dt}\\\frac{d}{dt}(P*I)=30593*9200+961400*1400\\\frac{d}{dt}(P*I)=\$1627415600$

So the rate at which the total income is increasing is$1627415600

8 0

4 years ago