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2 years ago

Does the line passing through (1,1) and (3,1) have a slope of zero

Mathematics

1 answer:

horsena [70]2 years ago

4 0

Answer:

$yes \\ m = 0$

Step-by-step explanation:

I would explain but then I would sound like an idiot

y=mx+ b

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The surface area of the solid is about ____ inches squared

Dafna11 [192]

Answer:

Surface area of the whole figure $= 320.28inch^2$

Step-by-step explanation:

The surface area of the figure :

Surface area of the cylinder(excluding top)+Surface area of the cone(excluding bottom)

Radius of the cylinder=3 inch and Height of cylinder=13 inch

Surface area of the cylinder with one circular face

$=2\pi rh+\pi r^2$

As, $\pi =\frac{22}{7}= 3.14$

$=(2*3.14*3*13)+(3.14*3*3)\\\\=244.92+28.26\\\\=273.18inch^2$

Surface area of the cone excluding base:

$=\pi *r*l$

l= slant height=5 inch r= radius= 3 inch

Surface area of the cone = $3.14*3*5$

$=47.1inch^2$

Total surface area of the whole figure $=273.18+47.1$

$= 320.28inch^2$

5 0

3 years ago

Multiply (5a+7)(5a-7)

vovikov84 [41]

Answer:

25a^2-49

Step-by-step explanation:

1)use FOIL

F=first

O=out

I=inside

L=last

5a*5a+5a*-7+7*5a*7*-7

25a^2-35a+35a-49

25a^2-49

Hope this helps!

5 0

3 years ago

Read 2 more answers

For the following reports about statistical studies, identify the following items (if possible). If you can't tell, then say so-

Ira Lisetskai [31]

Answer:

Population: Soil around a former waste dump
Parameter: Concentrations of toxic chemicals
Sample frame: Accessible soil around dump
Sample: 16 soil samples
Method: Unclear
Bias: Uncertain if soil samples were randomly chosen

Step-by-step explanation:

The above answer explanation can be more clear by understanding that the population is the soil around the former waste dump and the samples are 16 which were taken from EPA.In report, the method is unclear too.

5 0

3 years ago

Given the midpoint of (-10,7) and the endpoint of (5,-3), what is the other endpoint?

xxMikexx [17]

(-25,17)

Hope this helps.

4 0

3 years ago

A truck is carrying 10 cars weighing an average of 3,500 pounds each. What is the total weight in tons of the cars on the truck?

irina [24]

The total weight is Roughly 17.5 Tons

4 0

3 years ago