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2 years ago

PLEASE HELP!!!!!!!!!!!!

Mathematics

2 answers:

andrew11 [14]2 years ago

7 0

The answer is b
hope that helps:)

daser333 [38]2 years ago

6 0

Answer:

Step-by-step explanation:

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What is 7x+5y=-12-7x−7y=14

kramer

Answer:

x=1/14 and y=1/12

Step-by-step explanation:

7x+5y+12+7x+7y=14

⇒14x+12y=2

and set x and y in 0

then you will have 14*(1/7)=2 and 12*(1*6)=2

and you want somthing that makes x + y =2

so you sett 14*x=1 and 12*y=1

that is if i did noy misunderstanding the question

3 0

3 years ago

Read 2 more answers

2/3x -3.2 = -8.1 please help

andriy [413]

Answer:

x = -7 - 17/20 or -157/20

Step-by-step explanation:

2x/3 - 3.2 = -8.1

2x - 9.6 = -24.3

20x - 96 = -243

20x = -157

x = -157/20

x = -7 - 17/20

7 0

2 years ago

PLEASE HELP ME WITH ME MATH In a survey of 3500 people who owned a certain type of car, 1750 said they would buy that type of c

Anna [14]

Answer:

50%

Step-by-step explanation:

3500 divided by 1750 is 2 which is equal to 50%

3 0

2 years ago

A fishing boat was out to sea for six months and traveled a total of 8,579 miles.In the first month the boat traveled 659 miles.

jeka57 [31]

<span>The fishing boat traveled (8579-659)=7920 miles during the remaining 5 months</span>

6 0

2 years ago

A truck is being filled with cube-shaped packages that have side lengths of 1/4 foot. The part of the truck that is being filled

n200080 [17]

Answer:

24000 pieces.

Step-by-step explanation:

Given:

Side lengths of cube = $\frac{1}{4} \ foot$

The part of the truck that is being filled is in the shape of a rectangular prism with dimensions of 8 ft x 6 1/4 ft x 7 1/2 ft.

Question asked:

What is the greatest number of packages that can fit in the truck?

Solution:

First of all we will find volume of cube, then volume of rectangular prism and then simply divide the volume of prism by volume of cube to find the greatest number of packages that can fit in the truck.

$Volume\ of\ cube =a^{3}$

$=\frac{1}{4} \times\frac{1}{4}\times \frac{1}{4} =\frac{1}{64} \ cubic \ foot$

Length = 8 foot, Breadth = $6\frac{1}{4} =\frac{25}{4} \ foot$ , Height = $7\frac{1}{2} =\frac{15}{2} \ foot$

$Volume\ of\ rectangular\ prism =length\times breadth\times height$

$=8\times\frac{25}{4} \times\frac{15}{2} \\=\frac{3000}{8} =375\ cubic\ foot$

The greatest number of packages that can fit in the truck = Volume of prism divided by volume of cube

The greatest number of packages that can fit in the truck = $\frac{375}{\frac{1}{64} } =375\times64=24000\ pieces\ of\ cube$

Thus, the greatest number of packages that can fit in the truck is 24000 pieces.

7 0

3 years ago