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Vika [28.1K]
2 years ago
5

Solve the equation 40=2x2+2x by factoring.

Mathematics
1 answer:
just olya [345]2 years ago
5 0

Step-by-step explanation:

please give me brainlest and follow me

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What is the value for x
Sloan [31]
Because this is a right angle triangle, we can use the Pythagorean theorem to find the missing leg.

The Pythagorean theorem is this: a^{2} + b^{2} = c^{2}

The Pythagorean theorem tells us if you square both the legs then add them up together, you will get the length of the hypotenuse squared.

We know one leg is 24 and the hypotenuse is 26. Plug them into the equation.

24^2 + b^2 = 26^2

Solve for b.

24^2 + b^2 = 26^2
576 + b^2 = 26^2
576 + b^2 = 676
b^2 = 100

Take the square root of both sides.

b = 10

So, the other leg of the triangle is 10 units long.
8 0
2 years ago
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My house is two blocks west and 5 blocks north of my school. My friends house is 8 blocks east and one block south of the school
insens350 [35]
16 blocks.
You drive 2 blocks west and 5 blocks North to get to school.
You then have to drive 8 blocks east and 1 block south to get to your friends house.
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3 0
2 years ago
The sum of two numbers is 51.
Firdavs [7]

Answer:

21 and 30

Step-by-step explanation:

x + y = 51

x - y = 9

add the two equations and y's will cancel out

2x = 42  divide by 2

x = 21   so put 21 in for x in the top equation and solve

21 + y = 51

y = 30

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2 years ago
MATH HELP 10 PTS
Lesechka [4]

Answer:

The width is 5 and the length is 11

Step-by-step explanation:

The formula for perimeter is

P = 2(l+w)

We know the perimeter is 32

32 = 2 (l+w)

Divide each side by 2

32/2 = 2(l+w)

16 = l+w

We know the length is 6 longer than the width

l = w+6

16 = w+6+w

Combine like terms

16 = 2w+6

Subtract 6 from each side

16-6 = 2w+6-6

10 = 2w

Divide by 2

10/2 = 2w/2

5 =w

The length  is

l = w+6

   5+6 = 11

8 0
3 years ago
What is 3/5 times 45?
Paladinen [302]

Answer:

27

Step-by-step explanation:

7 0
3 years ago
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