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Serggg [28]
3 years ago
6

Math sucks....who wants the brainlyest???? answer correctly and you'll get it.

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

Answer:

Put 1/2x on the line going straight across which is x with is somewhere in between 0 and 1

put -7 on the line going up and down which is y

the second one put it on -1 which is -x going straight across

put 2 on the line going up and down which is y

Step-by-step explanation:

Svet_ta [14]3 years ago
3 0

Answer:  so y = 1/2 x-7 point is gonna go on 0,-7 and y=-x+2 is gonna be on 0,2....i used desmos.

Step-by-step explanation: Oh and i want brainlest lol...its been a long time so hopefully i get this right lol

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GEOMETRY HELP ASAP!!!!!!!!!!!!!!!!!!!
vovangra [49]
Area of equilateral triangle = a^2/4 * √3 so side of triangle = a

but if area of equilateral triangle =  area of square multiplied by √3 then area of square = a^2 / 4 so side of square = a/2

the ratio length of side triangle to length side of square = a: a/2 that means the side of triangle is doubled the side of square

answer
a) 2:1
6 0
3 years ago
Find the dimensions of the open rectangular box of maximum volume that can be made from a sheet of cardboard 11 in. by 7 in. by
11111nata11111 [884]

Answer:

The dimension of the open rectangular box is 8.216\times 4.216\times 1.392.

The volume of the box is 8.217 cubic inches.

Step-by-step explanation:

Given : The open rectangular box of maximum volume that can be made from a sheet of cardboard 11 in. by 7 in. by cutting congruent squares from the corners and folding up the sides.

To find : The dimensions and the volume of the open rectangular box ?

Solution :

Let the height be 'x'.

The length of the box is '11-2x'.

The breadth of the box is '7-2x'.

The volume of the box is V=l\times b\times h

V=(11-2x)\times (7-2x)\times x

V=4x^3-36x^2+77x

Derivate w.r.t x,

V'(x)=4(3x^2)-2(36x)+77

V'(x)=12x^2-72x+77

The critical point when V'(x)=0

12x^2-72x+77=0

Solve by quadratic formula,

x=\frac{18+\sqrt{93}}{6},\frac{18-\sqrt{93}}{6}

x=4.607,1.392

Derivate again w.r.t x,

V''(x)=24x-72

Now, V''(4.607)=24(4.607)-72=38.568>0 (+ve)

V''(1.392)=24(1.392)-72=-38.592 (-ve)

So, there is maximum at x=1.392.

The length of the box is l=11-2x

l=11-2(1.392)=8.216

The breadth of the box is b=7-2x

b=7-2(1.392)=4.216

The height of the box is h=1.392.

The dimension of the open rectangular box is 8.216\times 4.216\times 1.392.

The volume of the box is V=l\times b\times h

V=8.216\times 4.216\times 1.392

V=48.217\ in.^3

The volume of the box is 8.217 cubic inches.

5 0
3 years ago
A circle is cut from a square piece of cloth, as shown: How many square inches of cloth are cut from the square? (π = 3.14)
Vinil7 [7]

Answer:

2122.64 in^2

Step-by-step explanation:

Use the formula for the area of a circle: A=πr^2

The radius will be half the width of the cloth so 52÷2=26

26^2=676

Multiply by π given as 3.14

676×3.14=2122.64 square inches.

The symbol (carat) ^ is used to indicate an exponent when the keyboard doesn't have superscript.

8 0
3 years ago
Help!!! f(x)=x+3 g(x) =7x+4
Tasya [4]

Answer:

8x+7

Step-by-step explanation:

8 0
2 years ago
What is another name for irrational number?
maria [59]

Answer:

D

Step-by-step explanation:

Irrational numbers are reasonable and also real.

Surd is an example of an irrational numbers.

So as another name may be I go with option D

7 0
3 years ago
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