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dimaraw [331]
3 years ago
13

Solve the following system by graphing:

Mathematics
1 answer:
Rudiy273 years ago
8 0

Answer:

Option B (-3,-8)

Step-by-step explanation:

Use a graphing tool to graph the lines -4x+3y=-12 and -2x+3y=-18.

When graphed, the lines pass at the point (-3, -8).

Graph B matches this, so Option B is the answer.

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Read 2 more answers
10 POINTS PLEASE HELP
Llana [10]

Answer:

A company sells tents in two styles, shown below.

The sides and floor of each tent made of nylon.

For tunnel tent:

In a composite figure of tunnel tent :

There are two semi circle, half cylindrical shape and its base is made of Square.

Area of semi-circle is given by:

where r is the radius the circle.

Here, Diameter(d) = 8 feet

We know that: Diameter(d) = 2 r

then;

8 = 2r

⇒ r= 4 ft.

Area of square =

then;

Area of square =  square ft

Lateral surface area of cylinder =  where r is the radius and h is the height

Here, h = 8 ft

Lateral surface area of half cylinder =  square ft

Total Surface area of tunnel tent(S)=2(Area of semi-circle)+(Lateral surface area of half cylindrical)+(Area of square)

Substitute the given values we have;

square ft.

For Pup tent:

Each side of tent = 8 ft

In a figure of Pup tent:

There are 3 square shape and two triangle.

Area of square =

then;

Area of square =  square ft

Area of a triangle is given by:

Each side of a triangle is same.

This is an equilateral triangle, and its height is given by:

then;

Area of triangle = square ft.

Substitute the given values we have;

Total surface area of Pup tent(S')

=  square ft.

⇒S' > S

therefore, the tunnel tent require less nylon to manufacture.

<h2 /><h2>PLZ GIMME BRAINLIEST :)) !!!!!!</h2>

6 0
3 years ago
Solve the equation 4(3y-1)-3(2y)=6​
olga nikolaevna [1]

Answer:

4(3y - 1) - 3(2y) = 6

Remove backets

12y - 4 - 6y = 6

Group and Evaluate like terms

12y - 6y = 6 + 4

6y = 10

y = 10 \div 6

y = 1.67

y =  \frac{5}{3}

6 0
3 years ago
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