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Shkiper50 [21]
3 years ago
6

I'm lost.. How do you even start it???

Mathematics
2 answers:
Anastasy [175]3 years ago
7 0
2x+y=4\\
-x+y=1\\\\
2x+y=4\\
\underline{x-y=-1}\\
3x=3\\
x=1\\\\
1-y=-1\\
y=2

Sladkaya [172]3 years ago
3 0
A) 2x + y = 4
B)  -x + y = 1

Multiply B) by 2
B) -2x + 2y = 2  then add to A)
A) 2x + y = 4

3 y = 6
y = 2

B) -x + y = 1
-x +2 =1
x = 1

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Please help ASAP!!!
QveST [7]
The answer is 3. 1/6 because there are 6 sides in the cube. So the probability of getting a certain number is 1/6.
7 0
3 years ago
the expression 4X gives the perimeter of a square with a side length of X units. what is the perimeter of a square with a side l
Wewaii [24]
With the equation 4x, the x represents side length. Since we are given side length of 5/7, then the equation becomes

perimeter = 4 × 5/7
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4 0
3 years ago
Jacon walks 70.4 feet in 0.2 hours. If he walks at the same rate the whole time, what is his spped in feet per hour?
timofeeve [1]

Answer:

12.7

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Brainliest to first answer correct.
suter [353]

Answer:

Option A is correct.

Step-by-step explanation:

The height of the rectangular pack is h1 = 4r

The height of the parallelogram = 2r + the height of equilateral triangles with a side of 2r

The height of equilateral triangle with a side of 2r = (side)/2*√3

=(2r)/2 *√3 = r√3

The height of the parallelogram h2 = 2r+r√3 = r(2+√3)

So,the ratio of h1 to h2 is :

4r : r(2 +√3)

Cancelling r we get

Hence, the ratio is  4 : 2 +√3

5 0
3 years ago
A cylindrical grain bin has a radius of 7 feet and a height of 25 feet. How many cubic feet can the unit hold?
Alex17521 [72]

Answer:

3847 ft³

Step-by-step explanation:

The volume of a cylinder of radius r and height h is V = πr²h.

Here, the volume is V = π(7 ft)²(25 ft) = 1225π ft³, or approximately 3847 ft³.

7 0
3 years ago
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